Who do you want to see receive $20,000 to put their Earth-saving idea into action? Check out the ten Green Effect finalists, and until July 20 you can vote—up to once a day—for your favorite idea!
Friday, July 10, 2009 |
Friday, July 10, 2009 |
Photo: Fossil Feces Is Earliest Evidence of N. America HumansScientists have dated the remains to 14,300 years ago—the oldest evidence yet found of humans in North America. Photograph by Brian Lanker
|
ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
|
ADVERTISEMENT
|