Why do snakes flick their tongues? Can snakes smell fear? Here are 10 amazing facts about rattlesnakes, flying snakes and other species.

Ophidiophobia (the phobia of snakes) is one of the more common phobias psychologists treat today. Some researchers posit that ...

Snakes use their tongue to collect tiny scent particles from the air or ground. When they flick their tongue, each fork picks up particles from slightly different directions.

When a snake flicks its tongue in the air, it collects tiny chemical particles. As it retracts its tongue, it fits into a special organ on the roof of the mouth called the vomeronasal system.

The second head breathes, flicks its tongue, and allegedly can get mad when provoked. Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent every weekday.

So far, the snake, named for the Latin word that roughly means "coal black," has only been found on Sudest Island, ... smooth dark scales with a net-like pattern and dark tongue color.