Scientists have found another reason why modern tomatoes have little or no taste. It's in their genes.
The color of eggshells helps mothers identify their own kind and/or camouflage them with their environment.
Lips are made of very sensitive tissue and, because we use our mouths constantly, are over-exposed to harsh environmental factors.
Chameleons are nature's mood ring; their color reflects how they're feeling.
What makes some fall leaf displays so gorgeous? Learn what changes leaf colors.
It waddles around, covers itself with mud, and eats plants. Bor-ing. However, hippos are a lot cooler than we normally allow. In fact, hippos never sweat.
Do red, fall leaves act as a sunscreen? Find out on this Moment of Science.