Category Archives: Evolution

New Genus of Stingray

Posted on March 14, 2011 by

Ray X-Rayed: Two new (to science) stingrays from the Amazon have been studied and classified. H. rosai and Heliotrygon gomesi have been sold in the global pet trade for years under trade names. But only recently did scientists—working with local fishers … Continue reading →

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Evolution Does Not Take Eons

Posted on February 20, 2011 by

Fifty years will do nicely. Talk about a quick learner: in just 50 years, a fish has evolved a resistance to toxic chemicals polluting its Hudson River home, a new study finds. Hudson River Fish Evolves to Live With PCBs … Continue reading →

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On Evolved Circuits and the Most Evolved of Circuitry

Posted on February 7, 2011 by

I remember reading in Scientific American, years ago, about evolved circuits. (Here’s some background from Wikipedia: Evolvable hardware.) I believe the circuit described in SA is the “tone discriminator” mentioned in Wikipedia. The most intriguing element of that circuit was an … Continue reading →

Posted in Biology, Evolution, Neuroscience, Science, Technology, Uncategorized | Tagged , | 1 Comment

Mexican Jumping Genes

Posted on February 6, 2011 by

Researchers have found a large cluster of genes which jumped directly from one species of fungus to another, the first time such a horizontal transfer has been seen in organisms more complex than bacteria. The tree of life just got … Continue reading →

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Inherit the Windbag

Posted on January 31, 2011 by

Steve Benen has a post from yesterday on Representative Jack Kingston (R-Ga), who denies evolution. “Real Time” host Bill Maher asked Rep. Jack Kingston (R-Ga.) a fairly straightforward question: “Do you believe in evolution?” Kingston not only rejected the foundation … Continue reading →

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Profiles in Cowardice

Posted on January 30, 2011 by

Despite 80 years of court battles ousting creationism from public classrooms, most public high school biology teachers are not strong advocates for evolution. While vocal advocates of intelligent design and similar non-scientific alternatives to evolution are a minority, more than … Continue reading →

Posted in American History, Cultural Comment, Education, Evolution, History, Politics, Science | Tagged , | 1 Comment

Not Getting Enough Sex? Think You Can Stay Abstinent for 8,000 Years?

Posted on January 25, 2011 by

Grapes have been. Wine grapes anyway, which seem to have held off for just about that long. The lack of sex has been discovered by Sean Myles, a geneticist at Cornell University. He developed a gene chip that tests for the … Continue reading →

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