How To Find Buried Gold Using Trees

Australian researchers have found trace amounts of gold in the leaves of Eucalyptus trees. Now, we’re not talking about a lot of gold — but these amounts are strong indication of larger deposits lying beneath. » 10/23/13 9:00am 10/23/13 9:00am

Hungary's river of death, as seen from space

Here's an aerial view of Hungary's toxic spill, which threatens to become an international environmental disaster, from NASA's Earth Observing-1 (EO-1) satellite. Click through for a close-up that shows the devastation more clearly. » 10/13/10 4:00pm 10/13/10 4:00pm

Scientific estimate puts total BP oil spill at 4.4 million barrels

Research published in Science shows that the BP oil leak pumped out approximately of 4.4 million barrels of oil before being completely capped. That's around 185 million gallons, or 700 million liters. Scientists from Columbia University's Lamont-Doherty Earth Observatory studied high resolution footage of the plume,… » 9/23/10 1:00pm 9/23/10 1:00pm