Life Science - Interdependence of organisms

  • A Brotherhood of Chimps

    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.


    Thursday, April 26th, 2007
  • Sharks: The Necessary Killer?

    Big sharks eat little sharks and rays, which eat shellfish. So ultimately, hunting big sharks may cause shellfish to disappear.


    Thursday, March 29th, 2007
  • Eat Me ‘n Die: Toxic Toad Makes Poison Snake!

    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!


    Thursday, February 1st, 2007
  • Ants: My Family, Right or Wrong!

    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?


    Thursday, December 7th, 2006
  • Parasitic Plant Sniffs its Prey!

    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.


    Thursday, September 28th, 2006
  • Dating the Caveman: “Last” Neanderthal Found?

    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?


    Thursday, September 14th, 2006
  • Mosquitoes feed on a membrane containing blood.
    Malaria Defense: Can Mosquitoes Help?

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


    Thursday, April 27th, 2006
  • New Zealand Bugs Do Mouse Work!

    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?


    Thursday, March 16th, 2006
  • Bees: When in Doubt, Eat like a Copycat!

    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.


    Thursday, July 7th, 2005
  • Chickadee Talk: Warning Signs

    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!


    Thursday, June 23rd, 2005


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