Unfortunately, evolution often detours along a crooked path until species become more "fit" for their environments.
Learn about the surprising relationship between caterpillars and ants.
It sounds like the begging of a bad joke, but what does a chimpanzee do when it needs to cross the road?
Besides after hearing a thud on your newly cleaned window, have you ever found a dead bird in your lawn? Why is it so unusual?
Could you tell a coral snake from the similar looking, but non-poisonous scarlet king snake?
Imagine if the only way for you to eat were to trek 25 miles on foot to a restaurant and then trek all the way back home afterward.
Are porcupine quills poisonous? Well no, let's start with the basics...
How's it feel to be grounded with wings? Find out on this Moment of Science.
Who wants real bats in their house? Well, if bats could talk, they might say the feeling is mutual.
Can you imagine lasting an entire month without sleep? Believe it or not, newborn dolphins and killer whales have been observed to do just that. Learn more on this Moment of Science.