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Shaking Hands Is Our Way of Sniffing Each Other, Scientists Say

Shaking Hands Is Our Way of Sniffing Each Other, Scientists Say

Experiments reveal the majority of people tend to smell their own palms shortly after shaking hands with somebody

Watch: Why Dogs Sniff Each Other's Behinds, as Explained by Science

Watch: Why Dogs Sniff Each Other's Behinds, as Explained by Science

Video lets us in on what happens whenever a dog sniffs another one's behind

Watch: Here Is How Plants Communicate with One Another

Watch: Here Is How Plants Communicate with One Another

Video details the secret social life of plants, will change the way you look at a tree

Same Chemical Signals Underlie Itching, Pain

Same Chemical Signals Underlie Itching, Pain