Sri Lanka will conduct its first large-scale elephant census in nearly a century, amid fears its elephant population has been reduced by half in the past 100 years.
Researchers say they have evidence of a tool-using fish. Diver Scott Gardner captured images of the tool-wielding tuskfish in Australia's Great Barrier Reef.
DOE will provide financial backing for the first commercial-scale ethanol plant in the U.S., which will produce motor fuel from corncobs, leaves and husks.
The huge dust storm in Phoenix on July 5, 2011 started with rapidly descending air moving outward from area thunderstorms - combined with a lot of available dust.
Our water use has the potential to reach peak limits. Water expert Peter Gleick said we've already hit peak limits in many parts of the world. Read more about peak water.
Beth Lebwohl researches, writes and helps produce science content in audio and video formats for EarthSky. She is one of the authors on EarthSky.org, a script-writer for our podcasts, and helps host our English science podcasts in 90-second, 8-minute and 22-minute formats. Beth came to EarthSky in 2006 from the American Museum of Natural History's Department of Astrophysics, where she was surrounded by some of the greatest telescope-building, equation-wielding, code-writing physicists of our time. And they made her think . . . this science thing . . . it's pretty cool.