Archive for the ‘Diversity and adaptations of organisms’ Category

Cranes when Walking: Why the Weird Head Action? - Thursday, April 14th, 2005

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.)

When Birds Fly - Thursday, December 9th, 2004

Birds musta gotten a lesson from fighter planes: Bird wings get lift from a leading edge vortex, just like fighter planes.

Shark Dangers: How Overblown? - Thursday, August 12th, 2004

New shark repellent tested. How common are shark attacks? Meet the social shark. Learn why some people are fascinated by this cold-blooded killer.

Spider Feet Stick, but How? - Thursday, April 29th, 2004

Spiders stick to surfaces with tiny hairs, using van der Waals forces. Small critters use small forces to big advantage.

Hibernation: The Biggest Sleep - Saturday, October 11th, 2003

Hibernation gives clues about tissue preservation, organ transplants, stroke, Parkinson’s disease, brain behavior, and mating behavior. As the sun goes away, we look into the long snooze.

Snails Declining in New York - Thursday, May 1st, 2003

Rock climbing may be harming snail populations along the Niagara Escarpment.

Elephant on the Run! - Thursday, April 17th, 2003

Stanford researchers learn that fast-moving elephants are running, not walking.

Herbicide from Nature - Thursday, March 6th, 2003

Spotted knapweed produces a chemical that fights other weeds. Read about a natural herbicide.

Carnivores of Madagascar - Monday, January 20th, 2003

All carnivorous mammals of Madagascar descended from a common ancestor.

Invasive Species on the March - Thursday, August 8th, 2002

Arrival of snakehead fish raises question of invasive species, weeds and exotic species. Meet 8 of the worst.

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