Suppose you had the ability to wind back the clock to just before life appeared on earth and let it all happen again. Would life evolve in the same way twice?
Ever been so scared that you can't move? Well freezing is actually an effective defense mechanism!
When the drugs we use to heal us create unintended monsters.
Flowers broadcast their hidden treasure with bright colors, sweet scents and beautiful markings. However, flowers' markings are more than cosmetic...
A small gluteus does fine at positioning the hip bone for tree climbing, but not for walking...
At over a foot and a half in height and twenty-six pounds, the super rabbit was a big bunny!
What would it be like if our eyes evolved to see infrared light?
Have you heard the story about how one monkey on an island figured out how to wash his food, and then other monkeys starting doing it too?
Cuckoos could win the award for "Worst Parent" award. Find out why!
Lots of studies show dreaming is part of our natural brain activity. So, why can't we remember what happens in our dreams?