News tagged with earth sciences

Did diamonds begin on the ancient ocean floor?

(Phys.org) —Geology professor Dan Schulze calls this singular gem from the remote Guaniamo region of Venezuela the "Picasso" diamond. The blue luminescent, high-resolution image of a diamond formed over ...

Apr 18, 2013
4.4 / 5 (8) 1 | with audio podcast

New technique measures evaporation globally

Researchers at Columbia Engineering and Boston University have developed the first method to map evaporation globally using weather stations, which will help scientists evaluate water resource management, assess recent trends ...

Apr 11, 2013
3.7 / 5 (6) 1 | with audio podcast

Researchers say a comet killed the dinosaurs

In a geological moment about 66 million years ago, something killed off almost all the dinosaurs and some 70 percent of all other species living on Earth. Only those dinosaurs related to birds appear to have ...

Apr 04, 2013
4.8 / 5 (16) 3 | with audio podcast

Ocean cores reveal eruption dynamics

(Phys.org) —Using information gathered from samples of deep sea sediments, researchers from the University of Bristol report new findings regarding the dynamics of the eruption of Mount Tambora, Indonesia ...

Mar 27, 2013
4.8 / 5 (4) 0 | with audio podcast