All land vertebrates evolved from fish, and Acanthostega—the fossil of a part-fish, part-amphibious creature—pinpoints how we made the leap from water to earth.
People like robots that act like humans but only up to a certain point.
Spinach may have done the trick for Popeye, but it doesn't add muscle to the rest of us.
The brains of men and women do not differ based on gender.
Like its Roman-god namesake, Mercury is known for extreme behavior.
The bombardier beetle is aptly named: It fires toxic chemicals that, when released, sound like a bomb detonating.
Global warming is depleting oxygen in the water, creating and expanding "dead zones" toxic to sea life.
We don't perceive color in our peripheral vision because we have no cones, which sense light frequencies, on the outer edge of our retina.
In a lab study, dogs learned how to match other canines by species.
While steroids enhance muscle growth, they also cause liver damage and 'roid rage.