This Week: Death of the mastadon
In the News: Antarctic ozone hole: 10th largest on record!
Coming Thursday: Return of the wild: Coyotes, bears and turkeys are back!
The gawky walk of a bird: The head is still, then it lunges forward. A new study tells why. (Hint: It’s not just to look funny.)
Birds musta gotten a lesson from fighter planes: Bird wings get lift from a leading edge vortex, just like fighter planes.
Spiders stick to surfaces with tiny hairs, using van der Waals forces. Small critters use small forces to big advantage.
Stanford researchers learn that fast-moving elephants are running, not walking.
Spotted knapweed produces a chemical that fights other weeds. Read about a natural herbicide.
Arrival of snakehead fish raises question of invasive species, weeds and exotic species. Meet 8 of the worst.