Wildlife biologists need special ways to recognize individual animals that they are studying.

A dolphin learns to swim with an artificial tail.

How does the male weaverbird make such a perfect nest? By building it over and over again until he gets it right.

See how scientists find and study baby turtles.

Dr. Fish works with wind power basing his designs off the shape and structure of whale flippers.

Scientists are developing microsensors to detect electrical sparks.

A boy's caring attention helps heal a horse's foot.

These spiders don't wait in a web to trap food; they hunt for prey and pounce on it--sometimes leaping twenty times their own body length.

This article discusses a portrait by daVinci called "Lady with an Ermine" along with the detective work by scholars who deduced the identity of the subject.

The Eberly sisters help raise pigs on their parents' farm.