Of all the questions in science, few have haunted humans as persistently as this: Are we alone? For more than 50 years, scientists have listened for a signal from intelligent life on other planets… and come up empty. Now, they're running short of money. Is it time to give up?
Post on May 06, 2011 by Amy Standen
When you think of where energy comes from, you might picture a power plant or maybe wind mills. You probably wouldn't think of a pile of 12 tons of almond shells.
Post on Mar 25, 2011 by
Government works when it is directed towards helping its citizens live healthy and productive lives.
Post on Mar 11, 2011 by Jim Gunshinan
Lots of snow means good skiing, but it also means an increased danger of avalanches.
Post on Feb 25, 2011 by
Researchers at the University of California-San Francisco have hacked into the genetic wiring of billions of individual bacteria and outfitted them with the kind of on/off switches normally found in computer chips, not living organisms.
Post on Dec 14, 2010 by Sheraz Sadiq