Assignment Earth: Worm grunting
April 28, 2009, 10:21 a.m.
Video: Assignment Earth travels to Florida's Apalachicola National Forest to discover how a traditional method of luring earthworms from the ground has a solid basis in science.
J.R. Beaver unmasked
April 27, 2009, 4:31 p.m.
Sharing my summer as a state park mascot.
Cool math trick: Converting between miles and kilometers
10 of the worst wildfires in U.S. history
The mystery and danger of Jacob's Well
10 surprising facts about palm trees
Global tree cover has increased 7% over the last 35 years
Remember that kid who invented a way to clean up ocean plastic? He's back, and it's happening