Two Ghanian friends at school and home.

See the work of an artist who makes giant sculptures of some of the world's smallest creatures.

Get on track with this popular sport.

Learn about a caterpillar that eats other insects.

Kids who didn't know each other joined together to build a school in their new village in Africa.

"Human beavers" are scientists and field workers who build "starter dams" to improve damaged stream habitats and encourage beavers to settle there.

Dogs have many ways to show that they are "man's best friend."

Meet a scientist who has fun studying hairy-nosed wombats in Australia.

Scientists visit the oceans of the world to study what is beneath the sea floor.

Starlings imitate the sounds they most often hear. They use their talent for mimicry to attract mates and defend their nests.