Archive for the ‘Interdependence of organisms’ Category

Parasitic Plant Sniffs its Prey! - Thursday, September 28th, 2006

After its seed sprouts, this parasitic plant must find a host in four days, or else it dies. Solution? Smell the host plant’s unique bouquet.

Dating the Caveman: “Last” Neanderthal Found? - Thursday, September 14th, 2006

Neanderthals survived thousands of years longer in Europe, a new study finds. What does this tell us about the demise of the caveman and the triumph of modern humans?

Malaria Defense: Can Mosquitoes Help? - Thursday, April 27th, 2006

Malaria harms people and mosquitoes. Some skeeters already kill malaria. Shouldn’t we work together to control this global blood parasite?

New Zealand Bugs Do Mouse Work! - Thursday, March 16th, 2006

Small rodents spread lots of seeds in nature, but they were absent from New Zealand. Do giant grasshoppers replace mice and rats in transporting seeds?

Bees: When in Doubt, Play Copycat! - Thursday, July 7th, 2005

How do smart diners decide from an unfamiliar menu? They take advice. Ditto for bees. If they haven’t seen the flowers before, they follow the lead of another bee.

Chickadee Talk: Warning Signs - Thursday, June 23rd, 2005

When chickadees see hawks or owls, what do they “say?” Their warning is more complex than expected. In the presence of a really dangerous predator, the warning is more alarming!

Cultural Evolution, Animal Style - Thursday, July 22nd, 2004

Animals watch others and change their behavior to match.

Snails in Tahiti - Thursday, April 15th, 2004

Old museum collection sheds light on vanishing land snails of Polynesia.

Ocean Animals on the Move - Thursday, February 26th, 2004

New tracking systems watch long-distance migrants move across the ocean. Follow whales, turtles and albatrosses across the watery planet.

Evolution at Work: A Superheated Story - Thursday, January 8th, 2004

Studies of mitochondria show that polar people evolved greater ability to create heat; study has health implications for energy-deficiency diseases, Alzheimer’s disease and Parkinson’s disease.

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