Type: Video

How Whales Can Change an Entire Ecosystem

Whales change the climate. The return of the great whales, if they are allowed to recover, could be seen as a benign form of geo-engineering. It could undo some of the damage we have done, both to the living systems of the sea, and to the atmosphere.

15 Most Dangerous Places on Earth

It’s now easier than ever to visit distant locations around the world. Some places, however, are best avoided due to dangerous conditions. From deadly tsunami-prone locations to areas with an overabundance of crime, we count 15 places on Earth you are most likely to get killed in.

How The Sun Sees You

Using an ultraviolet camera, people on the street were shown how the sun sees them. Under UV light your skin may look more different than you think.