Excellent
Sled Dog Endurance
Champions of endurance, sled dogs can run for over a thousand miles without fatigue.
Atmospheric Aspirin
Trees release an aspirin-like compound under stress.
Bears in Space Roundup
An amazing animal can survive the extreme conditions of space.
Spider Venom
Scientists discover a new class of chemical compounds in spider venom.
Ethanol Bacteria
A genetically engineered bacterium produces ethanol from cellulose.