Life Science - Molecular basis of heredity

  • Enter the realm of the ants
    Enter the realm of the ants

    In many environments, ants know the tricks of survival, even domination. Skeptical? Ask the fire ant. Ask the army ant. A series of studies is revealing the genetic basis for survival and domination. What genes are active, and which have disappeared after prolonged unemployment?


    Thursday, February 24th, 2011
  • Study finds key to colony-collapse disorder

    Fast genomic analysis could open the door to breakthroughs in health, ecology and genetics. How do these machines work, and what have they taught about obesity, microbial diversity, and drug treatment?


    Thursday, September 20th, 2007
  • Sex Strategies of Cuttlefish: Delusion Gets the Girl!

    Giant Australian cuttlefish cross-dresses to mate. Small males temporarily look like females, mating right under the noses of the big boys!


    Thursday, July 8th, 2004
  • Cicada Cascade

    Like a chamberful of pork-barreling legislators, cicadas are on the wing in Washington, D.C. Voracious. Unstoppable. A force of nature: 17-year cicadas are back!


    Thursday, May 27th, 2004
  • Evolution at Work: A Superheated Story

    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.


    Thursday, January 8th, 2004
  • Tortoise Genes Record Volcanic Eruption

    Genes of giant tortoises reflect ancient volcanic eruption in Galapagos Islands.


    Thursday, October 2nd, 2003
  • Mouse Evolution: Making the Urban Mouse

    A new study reveals rapid evolution of white-footed mice in Chicago, in just 150 years.


    Thursday, May 29th, 2003
  • Birdsong and Motivation

    Sexual motivation for birdsong involves hormones, the medial preoptic brain area and environment in European starlings.


    Thursday, September 26th, 2002
  • Evolution Evidence from Fish

    Mechanisms of evolution uncovered with stickleback fish research.


    Thursday, January 3rd, 2002
  • Genes and Behavior

    Single gene determines number of queens in fire ant nest.


    Wednesday, November 21st, 2001
  • Evolution Everywhere

    Evolution is going on all around us. Evolution and everyday life.


    Thursday, September 6th, 2001
  • Sex Among Snails: Love Darts!

    Natural love: Hermaphroditic snails dart each other during sex. Just before mating, hydraulic pressure builds around the dart. When the second animal touches the darter’s genitals, it shoots.


    Thursday, July 12th, 2001
  • Bacteria: Not in Your Genes?

    New report says we don’t get genes directly from bacteria.


    Thursday, May 17th, 2001
  • DNA Fingerprinting: the How-to Manual

    How accurate is DNA fingerprinting, and how does it work? What are the standards for a solid identification?


    Thursday, January 25th, 2001
  • Galapagos: The Evolution Islands

    Are the Galapagos islands the birthplace of evolution theory and evolution science? What did Darwin learn there, and how are they being preserved nowadays?


    Thursday, January 11th, 2001


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