Why There's More to Rising Sea Levels Than Melting Ice

Most simple explanations of climate change suggest that rising sea levels are a result of melting ice in the polar regions. While that's true to an extent, there's a simple piece of physics behind the rising waters that you might not have been made aware of. This video helps explain why it's thermal expansion that's… »7/18/12 5:29am7/18/12 5:29am

Is Extraterrestrial Life More a Dream Than a Real Possibility?

There is no getting around the fact that a lot of people would be very excited if extraterrestrial life existed. But while plenty of scientists are working hard to find it, others aren't as convinced—and a team of Princeton physicists has gone as far as publishing an academic article explaining exactly why they think… »4/27/12 4:27am4/27/12 4:27am