The Earth’s Ozone Hole from 1979-2007

NASA’s been tracking the thinning of the ozone layer the south pole for nearly 20 years. In this slowed-down animation, you can watch the ozone hole’s average size each October.
For more information, check out NASA’s ozone hole monitoring site: http://ozonewatch.gsfc.nasa.gov/
Or read Wired.com’s story about the city most affected by the problem:

http://www.wired.com/science/discoveries/news/2008/10/dayintech_1009

Wired Science: World’s Most Powerful Lasers

Wired Science heads to the National Ignition Facility, where an enormous 192-beam laser bay may become capable of fusing hydrogen atoms into helium – creating an endless, clean source of energy.
For more information, check out the Wired Science blog:
http://snurl.com/4bi4i
Or subscribe to Wired Science video podcasts through iTunes:
http://snurl.com/4bi4v