Earth’s Evolution in 10 Minutes

In the past few billion years, Earth has been pummeled by asteroids, crashed into other planets and frozen over several times. Not to mention being ruled by all kinds of...

What If We Drained the Oceans?

People have discovered around 230,000 different marine species. But since so little of the ocean has been explored, scientists think that there could be two million more...

What If Worms Disappeared?

Earthworms are animals with smooth skin and a body made of many small segments. There are more than 7000 different kinds of earthworms. They live in most temperate and...