Life science - Reproduction and heredity

  • Genetic solution to cancer, diabetes?
    Genetic solution to cancer, diabetes?

    People with a genetic case of dwarfism in Ecuador don’t get cancer or diabetes, and a new study links that benefit to the genetic changes we see when calories are severely restricted. Could blocking growth hormone in adulthood lead to serious health benefits?


    Thursday, February 17th, 2011
  • For many, fireflies are at the center happy childhood memories. For science, they  could be a peephole into the brain.
    A flash in the night sky

    Most fireflies flash on their own schedule, but some do it all at once. In most animals, the guys try to stand out from the crowd – but these flies try to make a crowd! What’s the evolutionary advantage? What can we learn about bug-brains from the “all-at-once” display of synchronous fireflies?


    Thursday, July 8th, 2010
  • Tracking traveling toads
    Tracking traveling toads

    Do new species arise because so many niches are available in a new habitat? Or do they arise because newcomers have multiple talents for survival? A new study points to traits that enable success in the new location.


    Thursday, February 4th, 2010
  • Celebrating Darwin and evolution
    Celebrating Darwin and evolution

    The theory of evolution is 150 years old, but forever young. We examine proofs for evolution, and four cool studies showing just how correct Charles Darwin was. Want to talk about silent crickets?


    Thursday, February 5th, 2009
  • Bring in the clones: Sand dollars make small change

    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.


    Thursday, March 20th, 2008
  • Junying Yu, lead author of a paper describing a new way to reprogram adult stem cells to create embryonic stem cells, at the microscope.
    Embryonic stem cells without the embryo!

    Scientists learn to make human embryonic stem cells without using eggs, embryos, or legal hassles. Adding four genes to skin cells did the trick.


    Wednesday, November 21st, 2007
  • Nobel goes to gene-knockouts

    A technology that revolutionized medicine and genetics gets the big Nobelian Nod. Cancer. Heart disease. Obesity. Research into virtually every major disease has gotten a boost from the Knockout Nobel!


    Thursday, October 18th, 2007
  • 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
  • Breeding dogs, breeding other animals

    Football star convicted for bloody dog-fighting operation. What made the wolf turn into 400+ breeds of dog? How have farmers and animal breeders changed cattle and chickens? Why bother saving an old breed of horse?


    Thursday, August 9th, 2007
  • Biodiversity: Species Form Faster Near Poles

    Conventional wisdom says species form faster in the biodiverse tropics. But a new study shows fast speciation and extinction at the poles. Why didn’t we think up this study?


    Thursday, March 15th, 2007


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