Archive for the ‘Interdependence of organisms’ Category


Imitation: Better than flattery? - Thursday, August 13th, 2009

Imitation is a social glue in human society. We like people who imitate us. We call them friend. We will even tip them better! A new study finds similar responses in monkeys…



Microbial bliss - Thursday, April 30th, 2009

Scientists are proving that intestinal bacteria can help health — but for what conditions? Should you take probiotic supplements or eat foods with beneficial bugs? What does the science say — and not say?



Bush creates huge Pacific reserves - Sunday, January 25th, 2009

Three giant new reserves, extend 50 miles out from shore, will protect coral reefs, fish, clams, and other life forms. But how effective are marine protected areas?



At last: Parasites get some respect! - Thursday, July 24th, 2008

Along the coast of Baja, California, a new study finds that parasites outweigh top predators. What does this mean for ecology, and what is the story with “castrating parasites”?



Bring in the clones: Sand dollars make small change - Thursday, March 20th, 2008

Minute sand dollar larvae, tasty morsels in a sea of famished fish, have a clever way to help ensure their genes are passed to the next generation.



Life within: New study shows beneficial bacterial invasion - Thursday, June 28th, 2007

Without trillions of bacteria in our guts, we die. But how do these bacteria colonize the bug-free human infant just after birth? New study details bacterial balancing act.



A Brotherhood of Chimps - Thursday, April 26th, 2007

Cooperation is a classic human trait, but chimps do it too. A new study sheds light on the “what’s-in-it-for-me” angle of cooperation: It’s good for your genes.



Sharks: The Necessary Killer? - Thursday, March 29th, 2007

Big sharks eat little sharks and rays, which eat shellfish. So the ultimate effect of hunting big sharks may be a disappearance of shellfish.



Eat Me ‘n Die: Toxic Toad Makes Poison Snake! - Thursday, February 1st, 2007

Toxins are nature’s best defenses. The Asian snake can get toxin by eating toxic food. If an Asian snake offers to let you gobble its pretty neck, don’t be tempted!



Ants: My Family, Right or Wrong! - Thursday, December 7th, 2006

The Argentine ant invaded California 100 years ago, forming “super-colonies” that stretch hundreds of miles. Most ants attack nearby nests. Why have Argentine ants declared peace with neighbors?


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