Humans are social animals. As a result, we do a lot of things just because everyone else is doing them. Sometimes, you might find yourself yawning or laughing along with other people, even if you might not necessarily want to (or even if you don't know what everyone is laughing about in the first place). In 2014, researchers performed an experiment to find out if sniffing was another example of unconscious contagious behavior. Here's what they found.
This Science Passes the Smell Test
Related Video: Are Your Emotions Contagious?
The Nose Knows
Written by Sam Suarez May 22, 2017
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