10 surprisingly easy sources of alternative energy
November 30, 2009, 11:27 a.m. by Bryan Nelson
Clean, green energy is teeming all around us in the natural world, and scientists have only begun to scratch the surface of tapping it.
10 events that need their own landfills
October 29, 2009, 5:13 p.m. by Bryan Nelson
Wherever people gather en masse, so does their trash. Even large-scale events with good environmental intentions can result in a heap of rubbish. To serve as a reminder to tread lightly, here are 10 of the world's dirtiest events.
Thirsty koala seeks help from bikers in South Australia
4 ways exercise is good for your brain
Australian fires reveal ancient water system built long before the pyramids
Researchers develop a new way to remove greenhouse gases from the atmosphere
Putting on a 'game face' may actually boost your performance
Why avocados are good for you