Excellent

Sled Dog Endurance

October 21, 2008

Champions of endurance, sled dogs can run for over a thousand miles without fatigue.

October 20, 2008

Trees can supply enough electricity to charge a battery.

October 17, 2008

Young urban bears live dangerously.

October 16, 2008

Ticklishness has deep roots in human evolution.

October 15, 2008

Trees release an aspirin-like compound under stress.

October 14, 2008

Scientists discover North America's smallest dinosaur to date.

October 13, 2008

Paper wasps don't forget a face, for at least a week, anyway.

October 10, 2008

An amazing animal can survive the extreme conditions of space.

October 9, 2008

Major life stresses can really make your hair fall out.

October 8, 2008

Scientists discover a new class of chemical compounds in spider venom.