Tundra Fires May Speed Climate Change
This is the North Slope of Alaska and the Anaktuvuk River fire scar in 2007 as seen from space in a MODIS satellite.
Today's Dental News
Some Vikings Sharpened Their Own Teeth
Vikings may have had a secret weapon to fight their enemies. Evidence suggests that Viking fighters used to file their teeth to create.
- July 11, 2011
- Less than a minute
