Learn about the history, potential, and dangers of cloning, from the first cloned salamander to Dolly the sheep and beyond.
From oceans and lakes to people’s bodies, tiny creatures live everywhere. They are too small to see with the eye. Microscopes make it possible to view their world. Take a closer look at what makes these life forms so amazing.
Some of the scariest creatures in nature can take over the minds of others. That's how they get what they want. Their victims are zombie creatures.
