Life

Plants

A Change in Leaf Color

Leaves go to a lot of trouble to turn red in the fall.

Animals

Sea Giants and Island Pygmies

Food supply may help decide an animal's natural size on an island or in the ocean.

Animals

Roach love songs

Some male cockroaches whistle at females to get their attention.

Brain

Copycat Monkeys

When you stick out your tongue, a baby monkey will follow your lead.

Fossils

A Rainforest Trapped in Amber

Tiny fossils show that rainforests existed in the western Amazon millions of years ago.

Fossils

Dinosaur dig

Researchers uncover the fossil bones of a new species of long-necked, plant-eating dinosaur.

Animals

Saving Africa’s Wild Dogs

Learning more about African painted dogs may help keep these wild animals from dying out.

Animals

Ants on Stilts

Some ants appear to estimate distances by keeping track of the number of steps they take.

Animals

Feeding School for Meerkats

Meerkats teach their young how to catch and kill prey such as scorpions and spiders.

Fossils

Supersight for a Dino King

Tyrannosaurus rex had some of the best vision in animal history.

Health & Medicine

Sun screen

Too much exposure to the sun's ultraviolet rays can damage human skin. That's why doctors recommend people who will be outdoors for long hours in the summer sun protect their skin.

Fossils

An Ancient Spider’s Web

The diets of some spiders haven't changed much in millions of years.