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Curiosity Tea

​​898. Why earth pin of 3 pin plug is longer and thicker than other?

Earth pin is long for first to get connected so if any leakage to body of equipment from live line inside equipment will pass through the earth and
person will safe . they are Thicker to give more area of
contact so that leakage current will pass with less
resistance instead of passing through the working person.
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899. What is Blue Light filter? Why it is necessary?

Short-wavelength, high energy blue light scatters more easily than other visible light, it is not as easily focused. When you're looking at mobile, computer screens and other digital devices that emit significant amounts of blue light, this unfocused light can cause eystrain, headache and many problems.
Their are so many devices giving an inbuilt eye protection Blue light filter.
Also for devices in which it is not inbuilt. Many free blue light filters are available online on Google playstore and Apple store.
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900. How is the Hotness of a Chili pepper measured?

The Scoville scale is a measurement of the pungency (spicy heat) of chili peppers, or other spicy foods, as reported in Scoville heat units (SHU), a function of capsaicin concentration.
Capsaicin is one of many related pungent compounds found in chili peppers, collectively called capsaicinoids.
The scale is named after its creator, American pharmacist Wilbur Scoville whose 1912 method is known as the Scoville organoleptic test.
In the early 20th Century, Wilbur Scoville devised this system reflecting the volume of water required until chili heat could still be felt by a taster. The more water, the hotter. Today, we still use the scale, but with more sophisticated methods.
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901. What is GreyWater?

Greywater is described as gently used waste water that comes from sources such as the bathroom, kitchen and laundry. It is relatively clean and cannot be compared with the water from toilets (blackwater). Generally, any water that is drained from the house other than toilet water can be described as greywater. It may also contain traced of food, grease, hair, dirt or particular household cleaning products.
As much as it may look dirty, greywater can be reused for other purposes and does not necessarily have to be disposed of into the sewage system as other types of waste water do. This means that it is not really waste water but could be repurposed for safe and beneficial uses such as yard irrigation. It therefore serves to substitute fresh water for some purposes thus allowing for water conservation as well as reducing the amount of water that is sent into the sewage system for treatment.
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890. Why Water droplets confuse your smart phone touch screen?

Touchscreen locates your finger on the grid by measuring how much the charge drops between two intersecting electrodes, a process called “mutual capacitance.”
The problem is that drops of sweat or rain can reduce the charge too by providing another conduit between the electrodes. Thankfully, over the past few years, touchscreen engineers have solved the water problem by drawing on a different mode of touch sensing called “self-capacitance.”
Instead of measuring the charge across pairs of electrodes, the touchscreen measures the increase in charge between an individual electrode on the screen and the ground you’re standing on. Because water droplets aren’t grounded, the phone’s firmware is better able to ignore them.
But it is also not fully successful because it won't work during multipoint touch operations like pinch, zoom etc.
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891. What is Global Seed Wallet?

Seeds also have bank like money and gold to be placed in safe lockers in banks, to protect seeds from environmental pollution and nuclear war etc.
Norway country's north pole under the ice hill inside 150 m coal mine all the world seeds are stored after purifying, it stores upto 40 lac type of seeds, all seeds are stored in
Plastic covers, bottles and test tubes etc, norway country spends crores of money from 2008, upto this it stored 10 lac seeds, Primary funding for the Trust comes from organisations such as the Bill & Melinda Gates Foundation and from various governments worldwide. Here seeds like food grains rice, maize, Rolong, sorghum, business crops cotton, chillies, turmeric, vegetables and fruit seeds etc.
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​​892. ​​What is the Biggest Volcano and Largest Mountain in our solar system?

Olympus Mons is the name of the biggest volcano and largest mountain in our solar system. The word mons means in Latin mountain and Olympus is the biggest mountain in Greece, It is found in the red planet mars. Its altitude is 26 km which makes it 3 times higher than Everest. Unlike Everest, Olympus mons has a very gentle slope. The diameter of the base is about 550km. It is formed from thousands of basaltic repeated lava flow. Since, the planet’s crust is hardly in motion it helped the lava to accumulate.
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​​893. How do Bath Bombs work?

Bath bombs are hard-packed mixtures of dry ingredients which effervesce when wet. They are used to add essential oils, scent, bubbles or color to bathwater. 
The part that makes them fizz is the same as an Alka Seltzer or soluble aspirin tablet: sodium bicarbonate and citric acid. In water, these chemicals dissolve and react with each other to form sodium citrate and carbon dioxide. The sodium citrate stays in solution and you don't really notice it, but the carbon dioxide bubbles out as a gas that helps the bath bomb break up. This lets the detergents, perfumes and oils that make up the rest of the bath bomb mix with the bathwater.
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​​894. How Smoking causes cancer?

The main way that smoking causes cancer (14 types of cancer) is by damaging our DNA, including key genes that protect us from toxic elements. When certain genes are damaged, your cells start to grow and divide out of control. That alone can lead to cancer. Many of the chemicals found in cigarettes have been shown to cause DNA damage, including benzene, polonium-210, benzo(a)pyrene and nitrosamines. It usually takes many years, or decades, for the DNA damage from smoking to cause cancer. However researchers has shown that for every 15 cigarettes smoked there is a DNA change which could cause a cell to become cancerous. This is why it’s better to give up smoking sooner rather than later.
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895. Why do we sweat when we eat hot and spicy food?

Chilli peppers and other spicy ingredients have a chemical in them known as capsaicin which causes your body temperature to rise. The natural response for the human body when it's temperature rises is to sweat , which helps to cool our body . So, capsaicin sends signals to your brain warning it of overheating and the brain triggers your sweat glands so that your body can cool down.
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896. What are Earth-ships and how useful are they?

Earthships are cutting edge 'green' buildings, constructed using waste car tyres and other recycled materials. They use the planets natural systems to provide all utilities - using the sun's energy and rain to provide heat, power and water. They are buildings that heat and cool themselves, harvest their own water and use plants to treat their sewage.
Earthships enjoy the weather, regardless of the season. If it's raining they catch free water, if it's windy they generate free power and if it's sunny they are capturing free heat and electricity. Apart from using all the resources immediately around them they also employ extensive energy efficiency and water conservation measures, ensuring that the rainwater and renewable energy they harvest goes as far as possible.
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​​897. Why earth pin of 3 pin plug is longer and thicker than other?

Earth pin is long for first to get connected so if any leakage to body of equipment from live line inside equipment will pass through the earth and
person will safe . they are Thicker to give more area of
contact so that leakage current will pass with less
resistance instead of passing through the working person.
Curiosity Tea

898. What is Blue Light filter? Why it is necessary?

Short-wavelength, high energy blue light scatters more easily than other visible light, it is not as easily focused. When you're looking at mobile, computer screens and other digital devices that emit significant amounts of blue light, this unfocused light can cause eystrain, headache and many problems.
Their are so many devices giving an inbuilt eye protection Blue light filter.
Also for devices in which it is not inbuilt. Many free blue light filters are available online on Google playstore and Apple store.
Curiosity Tea

899. How is the Hotness of a Chili pepper measured?

The Scoville scale is a measurement of the pungency (spicy heat) of chili peppers, or other spicy foods, as reported in Scoville heat units (SHU), a function of capsaicin concentration.
Capsaicin is one of many related pungent compounds found in chili peppers, collectively called capsaicinoids.
The scale is named after its creator, American pharmacist Wilbur Scoville whose 1912 method is known as the Scoville organoleptic test.
In the early 20th Century, Wilbur Scoville devised this system reflecting the volume of water required until chili heat could still be felt by a taster. The more water, the hotter. Today, we still use the scale, but with more sophisticated methods.
Curiosity Tea

900. What is GreyWater?

Greywater is described as gently used waste water that comes from sources such as the bathroom, kitchen and laundry. It is relatively clean and cannot be compared with the water from toilets (blackwater). Generally, any water that is drained from the house other than toilet water can be described as greywater. It may also contain traced of food, grease, hair, dirt or particular household cleaning products.
As much as it may look dirty, greywater can be reused for other purposes and does not necessarily have to be disposed of into the sewage system as other types of waste water do. This means that it is not really waste water but could be repurposed for safe and beneficial uses such as yard irrigation. It therefore serves to substitute fresh water for some purposes thus allowing for water conservation as well as reducing the amount of water that is sent into the sewage system for treatment.
Curiosity Tea

901. What is Earworm Effect?

An earworm, sometimes known as a brainworm, sticky music, stuck song syndrome, or Involuntary Musical Imagery (INMI) is a catchy piece of music that continually repeats through a person's mind after it is no longer playing. The word earworm is possibly a calque from the German Ohrwurm.
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902. Why are your Tears salty?

Normal tears that cover the corneal surface comprise three layers: The lipid, or Oil layer, which is the outer layer of the tear film and helps prevent the lacrimal layer beneath it from evaporating or overflowing the lower eyelid. The lacrimal, or watery layer, which is the middle layer and contains salts , proteins, and an enzyme called lysozyme that actually protect and nourish the eye. The mucoid, or mucus layer, which is the bottom layer of tears. It contains cells called goblet cells that cause the tears to adhere to the eye.
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903. How does Moisturiser work?

The basic function of moisturizers is to help treat your skin when it's dry and prevent it from drying out again. Moisturizers do this by holding water in the stratum corneum, the outermost layer of the skin. But they have other functions as well. They can help protect your skin from the environment -- applying moisturizer creates a barrier on your skin that keeps oils from escaping and harmful outside elements from causing dryness or irritation.
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904. What is Headless Browser?

A headless browser is a web browser without a graphical user interface. In other words it is a browser, a piece of software, that access web pages but doesn't show them to any human being. They're actually used to provide the content of web pages to other programs.
PhantomJS –is a headless WebKit scriptable with a JavaScript API. It has fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas, and SVG. HtmlUnit –is a “GUI-Less browser for Java programs”.
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905. How does Daylight savings work?

Daylight Saving Time (DST) is the practice of setting the clocks forward 1 hour from standard time during the summer months, and back again in the fall, in order to make better use of natural daylight.
Days are longer in the summer in the Northern Hemisphere and shorter in the winter as result of the tilt of the axis of the Earth that has it leaning toward the sun in the summer and away in the winter. This situation results in 24 hours of sunlight and darkness at opposite times of the year at each of the North and South Poles.
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906. What is Five Second Rule? Does the Five Second Rule work for dropped food?

The five-second rule, sometimes also the three-second rule, is a western cultural food hygiene concept, that states that there is a defined window where it is permissible to pick up food (or sometimes cutlery) after it has been dropped and thus exposed to contamination.
Food that has been dropped on the floor is usually safe to eat under the so-called “Five-second rule".
Obviously, food covered in visible dirt shouldn't be eaten, but as long as it's not obviously contaminated, the science shows that food is unlikely to have picked up harmful bacteria from a few seconds spent on an indoor floor.
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​​907. What is Color Blindness?

Color blindness happens when someone cannot distinguish between certain colors. In the retina, there are two types of cells that detect light. They are called rods and cones. Rods detect only light and dark and are very sensitive to low light levels. Cone cells detect color and are concentrated near the center of your vision. There are three types of cones that see color: red, green and blue. The brain uses input from these cone cells to determine our color perception.

Color blindness can happen when one or more of the color cone cells are absent, not working, or detect a different color than normal. Severe color blindness occurs when all three cone cells are absent. Mild color blindness happens when all three cone cells are present but one cone cell does not work right. It detects a different color than normal.

There are different degrees of color blindness. Some people with mild color deficiencies can see colors normally in good light but have difficulty in dim light. Others cannot distinguish certain colors in any light. Color blindness usually affects both eyes equally and remains stable throughout life.
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908. Do Spiders need to drink?

All living organisms need water. Web-spinning spiders catch dew in their webs and drink the droplets, or even consume the entire web-along with the water Hunting spiders can drink dewdrops or nectar from flowers. A few desert species, such as the black widow, can get all the water they need from the bodies of their prey.
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​​909. What is the difference between White and Pink Ginger?

Some sushi places serve white ginger flakes with their food, while others serve pink colored ginger. It doesn't seem to have different taste.
Although white ginger and red (or pink) ginger do exist, the different colors in sushi ginger are from a dye. The color in white sushi ginger comes from the pickling process and the red/pink color in ink sushi ginger comes from an artificial dye (usually E124 -cochineal red- or in other brands beet extract). The generic name for sushi ginger is gari.
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​​909. What is the difference between White and Pink Ginger?

Some sushi places serve white ginger flakes with their food, while others serve pink colored ginger. It doesn't seem to have different taste.
Although white ginger and red (or pink) ginger do exist, the different colors in sushi ginger are from a dye. The color in white sushi ginger comes from the pickling process and the red/pink color in ink sushi ginger comes from an artificial dye (usually E124 -cochineal red- or in other brands beet extract). The generic name for sushi ginger is gari.
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910. Why All Airplane Windows Round Not Square Or Rectangle?

As commercial air travel took off in the mid-20th century, airline companies began to fly at higher altitudes to save money—the air density is lower up there, creating less drag for airplanes. But for passengers to survive at 30,000 feet, the cabin must be pressurized.
To make that possible, the cabin was changed to a cylindrical shape to support the internal pressure. But at first, plane builders left in the standard square.
As a result of this, in the year 1953, two airplanes fell apart during flight which resulted in 56 causalities. After their investigation was done, it was concluded that the reason for the crash was the rectangle shaped airplane windows.
In an airplane, during the flight, there can be any corner in the fuselage that can become a weak spot. This weak spot eventually becomes a potential danger as it can cause a mechanical failure and put the lives of people in peril.
Fortunately, designers figured out the design flaw pretty quick. Now we have nice, round windows that can withstand the pressure of cruising altitude.
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​​911. What are those different symbolic lights on car?
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912. Why does Ginger chewing relieve coughing?

Ginger is anti-inflammatory. It increases the heat in your body. Hence the mucus in respiratory tract starts melting. hence you dont need to cough up the mucus. Also due to the heat mucus generation in body decreses. It acts both a decongestant as well as antihistamine.
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​​913. When lightning strikes the sea, why don't fish die?

It’s because water conducts electricity so well, especially sea water. When lightning strikes the surface, a huge amount of electric charge lands in the sea. But the sea is big and the electricity can quickly spread out and get diluted. Imagine putting a drop of ink into a glass of water the water will change colour. What if you put the same amount in a swimming pool? It would spread out and you wouldn’t notice any difference.
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​​914. How Space Suit is made?

A spacesuit is a pressurized garment worn by astronauts during space flights. It is designed to protect them from the potentially damaging conditions experienced in space. Spacesuits are also known as Extravehicular Mobility Units (EMUs) to reflect the fact that they are also used as mobility aides when an astronaut takes a space walk outside of an orbiting spacecraft. They are composed of numerous tailor-made components that are produced by a variety of manufacturers and assembled by the National Aeronautics Space Agency (NASA) at their headquarters in Houston. The first spacesuits were introduced during the 1950s when space exploration began. They have evolved overtime becoming more functional and complicated. Today, NASA has 17 completed EMUs, each of which cost over $10.4 million to make.
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915. Is Human Blood ever any Color other than Red?

Blood is a shade of light green once you get below 50 feet or so. Of course it's not that the blood actually turns this color underwater. Different wavelengths of light (that is, different colors) get absorbed differently by water. All of the red wavelengths in sunlight get absorbed in the first ten or twenty feet or so, but greens and blues get absorbed much more slowly. So when I'm underwater at 50 feet and cut myself, there is no red light to reflect off of my blood. There is still some green light, though, and apparently enough of the green light reflects for the blood to look green. However, if I took a flashlight down with me and shown the light on the blood, the light from the flashlight would only be going through a few inches of water, not 50 feet. So while there wouldn't be any red light from the sun, there would be plenty of red lights from the flashlight for the blood to reflect, and the blood would look red.
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​​916. What is Situs Inversus?

Situs inversus is a condition in which the organs of the chest and abdomen are arranged in a perfect mirror image reversal of the normal positioning.

Normal human development results in an asymmetrical arrangement of the organs within the chest and abdomen. Typically, the heart lies on the left side of the body (levocardia), the liver and spleen lie on the right, and the lung on the left has two lobes while the lung on the right has three lobes. This normal arrangement is known as situs solitus.
However, in about 1 in 8,500 people, the organs of the chest and abdomen are arranged in the exact opposite position: the heart is on the right (dextrocardia), as is the two-lobed lung, and the liver, spleen, and three-lobed lung are on the left. Yet because this arrangement, called situs inversus, is a perfect mirror image, the relationship between the organs is not changed, so functional problems rarely occur.
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917. How did WW1 Fighter planes fire bullets without damaging their propellers?

During WWI, airplanes were still a very new technology and people were still trying to figure out how they would work in combat.
One of the most logical steps was to add a gun to the front of a plane so it could shoot down other planes. But how to stop the gun from hitting the big propeller in the front.
Hence the sychronization gear was used.
A synchronization gear, or a gun synchronizer, sometimes rather less accurately called an interrupter, is attached to the armament of a single-engine tractor-configuration aircraft so it can fire through the arc of its spinning propeller without bullets striking the blades.
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​​918. What is Pizza Hut perfume?

Pizza Hut has a fragrance now. Its signature scent, called Eau de Pizza Hut, is designed to smell like a box of Pizza Hut pizza being opened, "boasting top notes of freshly baked, hand-tossed dough."
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​​919. What is the International Date Line?

The International Date Line (IDL) is an imaginary — and arbitrary — line on Earth's surface that runs from the North Pole to the South Pole. When you cross the IDL, the day and date change. If you cross it traveling westward, the day goes forward by one, and the date increases by one. If you cross it traveling eastward, the opposite occurs.
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​​920. How Do Paper Towels Absorb Water?

Paper towels are made up of cellulose fibers, which also make up cotton, wood, and most other plants. These cellulose fibers are actually giant molecules that consist of many small molecules linked together.
The small molecules that combine to make up cellulose are sugar molecules; that’s the key to the absorbency of paper towels.
Think how easily sugar dissolves in water. When you get a paper towel wet, the water molecules rush in and cling to the cellulose fibers. That’s why paper towels are great at picking up spills.
Although cellulose contains sugar molecules, that doesn’t mean paper towels are edible. We humans don’t have any of the enzymes necessary to split the cellulose molecule apart into the individual sugar molecules. That’s why paper towels have no nutritional value for us.
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921. How does a Gun Silencer work?

A silencer screws on to the end of the barrel and has a huge volume compared to the barrel (20 or 30 times greater). With the silencer in place, the pressurized gas behind the­ bullet has a big space to expand into. So the pressure of the hot gas falls significantly. When the bullet finally exits through the hole in the silencer, the pressure being uncorked is much, much lower -- perhaps 60 psi. Therefore, the sound of the gun firing is much softer.
Several alert readers have written to point out that a bullet that travels at supersonic speeds cannot be silenced because the bullet creates its own little sonic boom as it travels. Many high-powered loads travel at supersonic speeds. The silencer can remove the "uncorking" sound, but not the sound of the bullet's flight.
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​​922. What is Bubble Wrap?

Bubble wrap is a pliable transparent plastic material used for packing fragile items. Regularly spaced, protruding air-filled hemispheres (bubbles) provide cushioning for fragile items.
"Bubble wrap" is a generic trademark owned by Sealed Air Corporation. In 1957 two inventors named Alfred Fielding and Marc Chavannes were attempting to create a three-dimensional plastic wallpaper. Although the idea was a failure, they found that what they did make could be used as packing material. Sealed Air Corp. was co-founded by Alfred Fielding in 1960.
The term is used generically for similar products, such as bubble pack, bubble paper, air bubble packing, bubble wrapping, or aeroplast. Properly Bubble Wrap and BubbleWrap still are Sealed Air Corporation registered trademarks.
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923. What is the Colour of Mirror?

Human can differentiate 10 million different colors but it’s hard to image the mirror is not white or silver. It is actually the color of whatever is reflected onto it. The perfect mirror reflects all images in the exact opposite direction (angle of reflection) and distance. So the color of the mirror would be kind of smart white.
But, we live in a real world where there is no perfect mirror. Every real mirror absorbs a very tiny amount of light. In particular, it best reflects light within the 510 nanometer range, which is the spectrum of visible green light. So technically, your mirror is titchy green.
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924. Which Fuel is used in Rocket?

The primary performance advantage of liquid propellants is due to the oxidizer. Several practical liquid oxidizers (liquid oxygen, nitrogen tetroxide, and hydrogen peroxide) are available which have better specific impulse than the ammonium perchlorate used in most solid rockets, when paired with comparable fuels.
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​​925. Why Fire doesn't have Shadow?

The main reason why the flame has no shadow is because the flame itself is a source of light. 
A shadow is the surface area which is less bright than its surroundings because something is blocking light partially or fully from that area. Therefore, a shadow is nothing but a darker area with the absence of light. If the light source behind the flame is brighter than the flame, then the flame would cast a shadow. However, it's usually not possible because the fire in itself is the brightest source of light and also because the flame is transparent to some extent.
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926. What is the Smelliest Substance?

Ethyl Mercaptan smells like leek, except much, much worse. Used in propane to give the odorless fuel a distinct smell, 1 part of Ethyl Mercaptan can be detected – without instrumentation – in 2.8 billion parts of air. It even has a claim to fame, being ranked as the Guinness Book of World Record's smelliest substance.
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926. What is the Smelliest Substance?

Ethyl Mercaptan smells like leek, except much, much worse. Used in propane to give the odorless fuel a distinct smell, 1 part of Ethyl Mercaptan can be detected – without instrumentation – in 2.8 billion parts of air. It even has a claim to fame, being ranked as the Guinness Book of World Record's smelliest substance.
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927. What is White Hole?

In general relativity, a white hole is a hypothetical region of spacetime which cannot be entered from the outside, although matter and light can escape from it. In this sense, it is the reverse of a black hole, which can only be entered from the outside and from which matter and light cannot escape. White holes appear in the theory of eternal black holes. In addition to a black hole region in the future, such a solution of the Einstein field equations has a white hole region in its past. However, this region does not exist for black holes that have formed through gravitational collapse, nor are there any known physical processes through which a white hole could be formed. Although information and evidence regarding white holes remains inconclusive, the 2006 GRB 060614 has been proposed as the first documented occurrence of a white hole.
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​​928. What is Deep Time?

Deep time is the concept of geologic time. The modern philosophical concept was developed in the 18th century by Scottish geologist James Hutton (1726–1797). The age of the Earth has been determined to be, after a long and complex history of developments, around 4.55 billion years.
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929. What is Deep History?

https://telegra.ph/What-is-Deep-History-09-26
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​​930. What is Piles(Haemorrhoid)?

The exact cause of piles is unclear, but they're associated with increased pressure in the blood vessels in and around your anus.This pressure can cause the blood vessels in your back passage to become swollen and inflamed.
Many cases are thought to be caused by too much straining on the toilet as a result of prolonged constipation. This is often caused by a lack of fibre in a person's diet.

Other factors that might increase your risk of developing haemorrhoids include:
Being Overweight or Obese
age – as you get older, your body's supporting tissues get weaker, increasing your risk of haemorrhoids
Being Pregnant – this can place increased pressure on your pelvic blood vessels, causing them to enlarge.

having a family history of haemorrhoids
regularly lifting heavy objects.
a persistent cough or repeated vomiting.
sitting down for long periods of time. Anal intercouse, etc.

Preventing Haemorrhoids -
Gradually increasing the amount of fibre in your diet.
Drinking plenty of fluid.
Not delaying going to toilet.
Avoiding food/medication that causes constipation, loosing weight, exercising regularly etc.
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931. How We detect different Tastes?

If you touch your tongue, you'll notice that it's covered with bumps and mini-ridges. Each of these bumps is made up of taste buds, which in turn are made up of taste receptors. Our mouthshave between 2,000 and 4,000 taste buds in total, and each taste bud has between 10 and 50 receptors. In other words, humans are well-equipped to savor different foods.
All of our taste buds help us to perceive five types of flavors: sweet, salty, sour, bitter and umami. (That last term describes savory foods, like cured meats, mushrooms and fermented cheeses.)
The act of tasting is a bit like a chemical puzzle. When we chomp into something, that food releases molecules that have certain shapes, and these shapes float around in our mouths. Each flavor of food has a unique shape, which matches up to a type of taste receptor with a corresponding shape. For instance, when the bitter molecules from our lunch time arugula salad bind to a bitter receptor, that sends a series of neural signals to our brain announcing that we've tasted something bitter. 
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​​932. What is SpiderCam?

The Spidercam is a system which enables film and television cameras to move both vertically and horizontally over a predetermined area, typically the playing field of a sporting event such as a cricket pitch, football field or a tennis court. The name Spidercam is a trademark.
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933. How is Blood stored in a Blood Bank?

https://telegra.ph/How-is-Blood-Stored-in-a-Blood-bank-09-22
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​​934. Why does the 'Skeleton Flower' turn Transparent when it rains?

In air Diphylleia grayi’s (Skeleton Flowers) petals appear white, but on contact with water they become transparent. This change is not due to a pigment but loose cell structure in the plant petals. On sunny days the air–liquid interface of the petals causes diffuse reflectance, endowing the petals with a white colour, whilst on rainy days water enters the petals, yielding a water–water interface, increasing light transmission so they turn transparent.
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935. What is the difference between Caramel, Toffee and Butterscotch?

Caramel is a mix of white granulated sugar, heavy whipping cream, butter, and a dash of vanilla. Butterscotch, on the other hand, is made with brown sugar instead. Butterscotch originally was just a hard candy. As for toffee, it has the same ingredients as butterscotch but is cooked longer, toffee is heated up to about 300 Fahrenheit to make it crunchy.
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​​936. What is Dental X-ray?

Dental X-rays (Radiographs) are images of your teeth that your dentistuses to evaluate your oral health. These X-rays are used with low levels of radiation to capture images of the interior of your teeth and gums. This can help your dentist to identify problems, like cavities, tooth decay, and impacted teeth.
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937. Why is Rhino Horn more expensive than Gold?

In Traditional Chinese Medicine, the horn, which is shaved or ground into a powder and dissolved in boiling water, is used to treat fever, rheumatism, gout, and other disorders. According to the 16th century Chinese pharmacist Li Shi Chen, the horn could also cure snakebites, hallucinations, typhoid, headaches, carbuncles, vomiting, food poisoning, and “devil possession.” (However, it is not, as commonly believed, prescribed as an aphrodisiac).
Rhino's Horn is just overrated due to which that poor animal is killed. Just for that little horn such a magnificent animal is killed.
We've really started using God's creation in the very wrong way.
Rhino is a very beautiful animal but is endangered now due to illegal killing.
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​​938. What is Falkirk Wheel?

The Falkirk Wheel is a rotating boat lift in central Scotland, connecting the Forth and Clyde Canal with the Union Canal. The lift is named after Falkirk, the town in which it is located. It reconnects the two canals for the first time since the 1930s. It opened in 2002 as part of the Millennium Link project.
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939. Why Does Orange Juice Taste Bad After You Brush Your Teeth?

In a nutshell, a compound in toothpaste called sodium lauryl sulfate (SLS) alters the way we process certain tastes, at least temporarily.
During a vigorous toothbrushing, toothpaste bubbles and froths in your mouth. This happens because the paste includes that aforementioned compound, SLS, which acts as a detergent on your teeth. SLS is found in products that bubble or foam, including personal care products such as shaving cream and household cleaners like dish soap. But research has shown that SLS affects the ability of our taste receptors; it makes them more susceptible to bitter tastes and dials back how much we can taste sweet flavors.
Oranges are slightly bitter, thanks to citric acid, but that taste is typically obscured in juice by the extra sugar that companies mix into the drink. According to the American Chemical Society, SLS not only suppresses our sweetness receptors, but also wipes out our phospholipids — compounds that hinder our bitterness receptors. In effect, our taste buds suddenly taste a lot more of Orange Juice's bitter taste than its sugary-sweet goodness.
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​​940. What is Naruto's Gigantic Whirlpools?

Four times a day, massive tidal surges between two Japanese islands create huge whirlpools that draw visitors from all over the world. The Naruto Strait lies between Tokushima and Awaji Island and connects the Pacific Ocean with the smaller Seto inland sea. Spectators gather on cruise ships and the suspension bridge that spans the Strait to watch the daily natural spectacle.
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941. What is Cabin Pressure and Why do we need to maintain it in Aeroplane ?

Earth's atmospheric pressure varies with altitude. At the earth's surface(sea level) , It is measured at 14.7 pounds per square inch(psi) - which human beings are accustomed to because it provides the optimum amount of oxygen.
As aeroplane ascends to higher altitudes, the atmospheric pressure decreases. There isn't oxygen to breathe and humans cannot survive more than a minute at such altitudes.In order to prevent this from happening , cabin pressure is maintained at appropriate levels.
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​​942. What does Scytale mean?

Ever wondered how people sent coded messages to each other in the ancient world? One was with the use of a scytale, which was a cylindrical ciphering tool, not dissimilar to a bakers roll. Popular with the ancient Greeks, particularly the Spartans, the scytale was an excellent way of sending communications across the battlefield due to its simplicity to code and decode (only if you had a similar bar).
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943. What's the Laffer Curve?

The Laffer Curve is a theory developed by economist Arthur Laffer to show the relationship between tax rates and the amount of tax revenue collected by governments. It's not a complicated theory to understand, but it alludes to this; When tax rates are high, if you take them higher, the less money government will collect. And it has been proven to be true. Especially in the U.S during the great depression when the American congress passed the Hawley-Smoot Tariff bill. The bill raised taxes on imported goods, but the revenue that came from those taxes decreased.
Think of it this way; If you input VAT on fuel, people will eventually simply find driving too expensive and opt for other modes of transport like riding a bicycle. If the cost of buying groceries is too high because of tax levy's, people will stop going to buy groceries and plant them in their back yard. If the cost of living in a country is too high, there will be mass migration to other countries by your skilled labour force hence lowering tax revenue generation.
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​​944. How does Sunscreen cream work?

Some inorganic chemicals, including minerals such as zinc oxide or titanium dioxide, act as a physical sunblock. They reflect UV rays, similar to how white paint reflects light. The white-colored noses on beach-goers in the 1980s and 1990s were due to these compounds; because manufacturers make the inorganic particles much smaller now, we don't see the visible white.
Along with inorganic chemicals, sunscreens often contain organic chemicals, with names such as avobenzone or oxybenzone. Instead of physically deflecting UV light, these molecules absorb UV radiation through their chemical bonds. As the bonds absorb UV radiation, the components of the sunscreen slowly break down and release heat.
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945. What is the ’@’ sign called?

Ampersand, asterisk, tilde, comma, parentheses. Most of the commonly used symbols in the English language have particular names associated with them, so we can talk about them without having to say "you know, that squiggly symbol that kind of looks like the letter S." With the emergence of the Internet, and with it, the important role that the ’@’ sign plays in e-mail addresses, this once uncommon symbol now has a lot of people wondering what to call it.
Officially, this symbol is called commercial at. Unofficially, most people seem to refer to it as the at sign or just at. Recently, there has also been a movement to call it the atmark. There are also numerous nicknames for it, including snail, curl, strudel, whorl, and whirlpool.
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946. How does the Pressurisation System work?

In most modern aeroplanes, the aircraft engine compresses the outside air for the purpose of propulsion. A part of hot compressed air, before it is mixed with the fuel, is 'bled' into the cabin - but only after it is cooled appropriately to a comfortable temperature, from the aircraft engine. The air from the aircraft engine is routed through air cyclic machines, or 'packs' which Condition the air for temperature and humidity and then pumped into the cabin.
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947. What are the types of Masks and Respirators?

https://telegra.ph/What-are-the-types-of-Masks-and-Respirators-09-29
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948. What is AdSense and how does it work?

Google AdSense is a program run by Google that allows publishers in the Google Network of content sites to serve automatic text, image, video, or interactive media advertisements, that are targeted to site content and audience. These advertisements are administered, sorted, and maintained by Google.
Google Adsense is a CPC (cost-per-click) advertising program that allows publishers (anyone wanting to put ads on their websites) to insert a small amount of HTML into their sites and have ads appear that are targeted and relevant to the content of the site.
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949. Do Human Eyes change their Color?

Certain emotions can change both the pupil size and the iris color. That's why some people say their eyes change colors when they're angry or loving. Eye color also can change with age. This happens in 10 to 15 percent of the Caucasian population (people who generally have lighter eye colors).
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​​950. What is the deadliest cat in the world?

Adorable, Remorseless Killing Machine Is World's Deadliest Cat. The black-footed cat (Felis nigripes) hunts amongst the short desert scrub in the Karoo of South Africa. The deadliest cat on Earth isn't a shaggy-maned lion, a sleek leopard or a stealthy tiger. It weighs less than 5 pounds, making it one of the smallest cats in Africa.
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951. What is the difference between a Vegetarian and a Vegan?

Differences Between Vegan and Vegetarian. Some vegetarians also exclude dairy, some don't, and some may consume eggs. Likewise, vegans avoid meat, poultry, and seafood, but they also take it a step further by eliminating all animal products from their diet. This includes any type of animal milk and eggs.
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952. Do Animals have different Blood types?

Animals do not have the human ABO group on their red cells. But they do have other blood group proteins which are sometimes similarly important for transfusion. Dogs have DEAs (dog erythrocyte antigens), about 8 important ones of which DEA4 and 6 are most significant for transfusions.
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952. Do Animals have different Blood types?

Animals do not have the human ABO group on their red cells. But they do have other blood group proteins which are sometimes similarly important for transfusion. Dogs have DEAs (dog erythrocyte antigens), about 8 important ones of which DEA4 and 6 are most significant for transfusions.
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953. What are Solfeggio Frequencies?

https://telegra.ph/What-are-Solfeggio-Frequencies-09-21
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954. What is a NonCommunicable disease?

Noncommunicable-or chronic-diseases are diseases of long duration and generally slow progression. The four main types of noncommunicable diseases are cardiovascular diseases (like heart attacks and stroke), cancer, chronic respiratory diseases (such as chronic obstructed pulmonary disease and asthma) and diabetes.
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955. Can Android Devices be used in Space?

Weirdly, this is actually something NASA has tested. It turns out that all the things consumers want from their phones—small and light body, durability, fast CPU, good camera—are also things that are useful to have in a satellite flight control computer.
NASA’s PhoneSat program has launched several satellites that are essentially smartphones in an unpressurized box, to test whether smartphones could be used in building lower-cost control systems. Not only did the phones work great over the course of their mission (about a week) but they were at the time the most powerful computers ever launched on a satellite.
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956. What's the Process of Recycling Plastic?

https://telegra.ph/Whats-the-Process-of-Recycling-Plastic-09-29
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957. Why Do we find Detergent in a small quantity in Toothpastes?

Our tooth paste is made up of liquid which has a high Surface Tension Which won't clean our teeths If the Surface Tension isn't lowered because the attraction between Molecules of Water will be quite high and they won't leave each other and will try to be connected to each other..If we add a small amount of detergent in toothpaste it lowers the surface tension and the water molecules can easily pass through our teeth and clean them.
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958. Why are some People so Hairy?

Hair growth in humans is complicated and influenced by several different genes and hormones. The prevailing theory is that we evolved to have less hair than primates because our ancestors evolved sweating as a strategy to keep cool on the African savannah, and too much hair gets in the way of sweating. But the evolutionary reasons why hairiness varies with ethnicity are unclear. Caucasian people are generally hairier than the Japanese, for example, even though testosterone levels are the same. The difference seems to be in how sensitive the hair follicles are to those testosterone levels.
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​​959. What is Stye and what causes Stye?

It is a pimple or abscess that forms on your upper or lower eyelid. Sometimes the bacteria that normally live on the surface of your eyelid block an oil duct. Then it gets inflamed. Other times, germs and dead skin cells get trapped on the edge of your eyelid.
Usually it’s a combination of a clogged oil gland and a certain type of bacteria. Your body is coated with billions of friendly bacteria that live right along with you. Most of the time there’s no problem. But when conditions are right, the bacteria overproduce and create a pimple.
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960. Why do doctors wear hand gloves during checkup and operation?

Doctors wear gloves so that any bacteria from their hand doesn't go in the patient's body. See we all avoid bacterial infections going in our body by keeping ourselves clean, like we wash our hands before we go to have our food. And when doctors operates any patient they just make sure if any bacteria is on their hands( which they probably can't see) doesn't come in contact with patient. Patient's skin may be sensitive, it can react easily doctor doesn't know that right. And when he is doing operation patient's body is in direct contact, if any bacteria/virus or any other micro organism will go in others body it will create infection and may cause harm. So its basically for safety.
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961. How Does Bug Spray Affect Insects?

https://telegra.ph/How-Does-Bug-Spray-Affect-Insects-09-29
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​​962. What is bio-mining ?

Biomining is a technique of extracting metals from ores and other solid materials typically using prokaryotes or fungi. These organisms secrete different organic compounds that chelate metals from the environment and bring it back to the cell where they are typically used to coordinate electrons. 
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963. What is reconstructive surgery?

Reconstructive surgery is a broad term that defines procedures that restore some form or function to the body. Medically necessary surgeries often return a part of the body to norm after injury or illness. They may fix congenital defects, as well, such as a cleft palette.
For many people, getting reconstructive surgery is a life-changing event. The concept of reconstruction is a complex one, though. Finding out more about the different types of surgery available will help you make an informed decision about your body and the possibility of reconstructive surgery.
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​​964. What is WAN?

WAN(Wide Area Network) is a telecommunications network or computer network that extends over a large geographical distance/place. Wide area networks are often established with leased telecommunication circuits.
Business, education and government entities use wide area networks to relay data to staff, students, clients, buyers, and suppliers from various locations across the world. In essence, this mode of telecommunication allows a business to effectively carry out its daily function regardless of location. The Internet may be considered a WAN.
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965. How Cloud Computing Works?

Information and data is stored on physical or virtual servers, which are maintained and controlled by a cloud computing provider, such as Amazon and their AWS product. As a personal or business cloud computing user, you access your stored information on the ‘cloud’, via an Internet connection.
The big cloud maintenance servers today are held by Microsoft, Google, Amazon, Alibaba etc.
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​​966. What exactly is reverse osmosis?

Reverse osmosis (RO) is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water. The process is similar to other membrane technology applications.
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967. Can you grow hair in Space?

Space travel damages skin but makes hair grow FASTER: 'Astromice' study discovers the lesser-known impacts on astronauts. Their hair follicles were also found to be in the active growth phase while they should have been in the rest one.
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​​968. What is bipedalism?

Bipedalism refers to locomoting (e.g., walking, jogging, running, etc.) on 2 legs. It is not uncommon to see animals standing or walking on 2 legs, but only a few animals practice bipedalism as their usual means of locomotion. Animals, including chimpanzees and gorillas, that assume bipedalism on a temporary basis in order to perform a particular function practice a form of locomotion called facultative bipedalism. For example, octopodes sometime walk bipedally in order to camouflage themselves from predators1. The octopus piles 6 of its 8 limbs on top of its head, assuming the shape of a drifting plant, and then uses the 2 remaining limbs to quite literally walk away.
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969. What is the difference between Sparkling wine and Champagne?

https://telegra.ph/What-is-the-difference-between-Sparkling-wine-and-Champagne-09-29
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​​970. What is open insulin project?

The open insulin project is a california based initiative trying to develop an open source protocol for manufacturing off patent insulin , much like movements in the software industry in the 20th century that successfully made open source operating systems. Manufacturing pure insulin in laboratories is fairly expensive and the process is protected by patents. This, it is hoped, will result in a process that a generic pharmaceutical company can use to make insulin that is affordable for diabetes patients all over the world.
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971. What Fascinating Things happen when Bees mate?

The reproductive cycle of bees is fascinating - and complex. But here's the short story: a queen is selectively bred in a special "queen cell" in the hive and fed royal jelly by worker bees to induce her to become sexually mature.
A virgin queen that survives to adulthood without being killed by her rivals will take a mating flight with a dozen or so male drones (out of tens of thousands eligible bachelors in the colony). But don't call these drones lucky because during mating, their genitals explode and snap off inside the queen!
Strange as it is, this actually makes evolutionary sense: the snapped-off penis acts as a genital plug to prevent other drones from fertilizing the queen. But tell that to the dead drone whose penis just exploded.
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​​972. What is an epipen and how does it work?

EpiPens are a type of epinephrine auto-injector, which means they work by automatically injecting a dose of the hormone epinephrine (also called adrenaline) into a person's body. This could be done, for example, during a severe allergic reaction called anaphylaxis.
EpiPen® contains epinephrine, a medication that can help decrease your body’s allergic reaction by relaxing the muscles in your airways to make breathing easier, helping to reverse the rapid and dangerous decrease in blood pressure, relaxing the muscles in the stomach, intestines and bladder.
Side effects : Like all medicines, epinephrine may cause side effects.
Some side effects from using epinephrine may include paleness, dizziness, weakness, shaking, headache, throbbing, restlessness, anxiety, tenseness, or fear. Serious side effects include difficulty breathing, increased heart rate (pounding heart), irregular or skipped heart beats, chest pain (also called angina), and stroke. The symptoms of stroke are blurred vision, difficulty speaking, headache, dizziness, and weakness.
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​​973. What are Monster Galaxies?

They are thought to be the ancestors of the huge elliptical galaxies in today's universe and pave the way to understanding the formation and evolution of such galaxies. A unique characteristic of monster galaxies is that they form stars at the startling pace. 1,000 times higher than the star formation in our galaxy.
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​​974. Where Does Algae Grow?

Algae are photosynthetic organisms that manufacture their own food by harvesting the power of sunlight. Algae must combine the sunlight with photosynthetic cells, carbon dioxide, minerals and water to create sugars. Algae usually have abundant water and carbon dioxide in their environment, and the limiting factor is often sunlight or minerals. This explains why algae populations may sometimes explode when the sunlight levels or mineral content of a body of water change.
Algae are common in many aquatic habitats. Algae grow in ponds, lakes, rivers, streams, creeks, puddles, water reservoirs and waterfalls. However, algae also grow in very damp, yet not aquatic, habitats. For example, the rocks surrounding a creek or river may be damp enough to support a lush carpet of algae. Damp caves and other situations may also be damp enough to support algae growth. Rainforests are occasionally damp enough to support algae on the trunks of trees.
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975. What is an IUD?

An intrauterine device (IUD) is a small T-shaped plastic device that is placed in the uterus to prevent pregnancy. A plastic string is attached to the end to ensure correct placement and for removal. IUDs are an easily reversible form of birth control, and they can be easily removed. However, an IUD should only be removed by a medical professional. An IUD is a form of long-acting reversible contraception (LARC).
Currently two types of IUDs is common.
Hormonal IUDs:
With hormonal IUDs, a small amount of progestin, a hormone similar to the natural hormone progesterone, is released into the uterine lining. This hormone thickens cervical mucus and makes it difficult for sperm to enter the cervix. Hormonal IUDs also slow down the growth of the uterine lining, making it inhospitable for fertilized eggs.
Copper IUDs:
With a copper IUD, a small amount of copper is released into the uterus. Copper IUDs may prevent sperm from being able to go into the egg by immobilizing the sperm on the way to the Fallopian tubes.