For some animals, putting in extra hours can be deadly.
Make most cobras angry, and they’ll bite you and inject the bite with a dose of venom.
This is a little hard to report with a straight face, but it seems that some of the dead can’t rest in peace.
For ants and other social insects, form and function have strong ties.
Three-toed sloths are just that: three-toed, and slothful.
Bad breath usually won’t win you many friends, but at least it will keep your enemies at arm’s length, too.
Today is National Handwriting Day! Although we don't write like we used to, here are four ways handwriting is still helpful.
There are some 70,000 species of crustacean—the group that includes crabs, lobsters, shrimp and crayfish—in the world, and until very recently, none of them were known to be venomous.