Quite apart from the crocodile lore, crocodiles share an interesting physiological feature with marine turtles and other reptiles.
It turns out, tears are more essential than might have thought. This Moment of Science looks at the chemistry of tears.
How do animals express their emotions? Find out on this Moment of Science.
Why do your eyes get puffy when you cry? Find out on this Moment of Science.
Do other animals besides humans cry? Find out on this Moment of Science.
It’s commonly known than chopping onions will cause a person to cry. Well, you’re in luck if you frequently find yourself weeping over this smelly vegetable. Food scientists in Japan have figured out how to genetically engineer an onion that doesn’t make you cry when you chop it. Other scientists have tried to create tear [...]