49. What do you call the smell after it rains? One of these odors, called "petrichor," lingers when rain falls after a prolonged dry spell. Petrichor the term was coined in 1964 by two Australian scientists studying the smells of wet weather is derived from a pair of chemical reactions.

49. What do you call the smell after it rains?

One of these odors, called "petrichor," lingers when rain falls after a prolonged dry spell. Petrichor the term was coined in 1964 by two Australian scientists studying the smells of wet weather is derived from a pair of chemical reactions.