Why Did Humans Evolve Big Penises But Small Testicles?
A new shrimp, named for Pink Floyd, also has a killer sound.
This wasn't expected: The sex of a strange fish is determined by access to food.
Yes, some cats are actually sociable.
Big Supreme Court Win For Girl And Her Service Dog
Groundhog Day: Why are we still doing this?
Your dog loves rawhides - that's a fact. But someone may have told you to stay away from them. Why? Take a look at the Good, the Bad, and the Debunked about your pet's favorite chew bone.
Ugly Male Birds Guard Females From Sexier Suitors.
Fruit flies may be rational and choosy.
The chickens are thoughtful.