Andy Hobsbawm shares a fresh ad campaign about going green -- and some of the fringe benefits.
Forget about the hybrid auto -- Shai Agassi says it's electric cars or bust if we want to impact emissions. His company, Better Place, has a radical plan to take entire countries oil-free by 2020.
A look at sustainable energy and what we use our energy for.
Overfishing is the depletion of a stock of fish (in a body of water) by too much fishing. Many people are unaware of the scary facts behind the fish we eat. This animation creates much needed awareness about the ocean's most solvable problem while reminding us that we all have a role to play in fixing it.
On January 28, 1986, NASA Challenger mission STS-51-L ended in tragedy when the shuttle exploded 73 seconds after takeoff. On board was physicist Ronald E. McNair, who was the second African American to enter space. But first, he was a kid with big dreams in Lake City, South Carolina.
Did you know that archaeological excavations are like gigantic jigsaw puzzles? Use the recent discovery of King Richard III to understand how. Through careful examination of old maps, painstaking archaeological exploration, and use of good science, archaeologists piece together the puzzle to share their amazing discovery of England's famous King ("my kingdom for a horse") with the world.
The images in this video come from Chauvet Cave, an ancient rock art site in France. Watch the video and try to imagine the kind of people that created the art. There are no words in this video, so check out the Dig Deeper section for some context before you try to answer the questions.