Evolution

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    • Tracing Disease Back to the Dinos

      Posted by Billbar from Seed Magazine

      "The common thread," said Beard, "is evolution. We recognized that basic principles of evolution that scientists, like myself, study all the time are actually very important for physicians to understand, if only in order to be able to explain to their patients some of the reasons behind the predicaments that they face." "There are plenty of medical conditions today that afflict humans that come directly out of our evolution from our ape-like ancestors," he said.

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    • Gene regulation separates humans from chimps

      Posted by Billbar from Reuters

      How can humans and chimpanzees, who share about 99 percent of the same genes be so different? "We think gene expression is a major part of what separates chimps and humans," said Kevin White, an associate professor of genetics, ecology and evolution at Yale University.

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      Time-warp family who walk on all fours

      Posted by Billbar from Daily Mail

      An extraordinary family who walk on all fours are being hailed as the breakthrough discovery which could shed light on the moment Man first stood upright. Scientists believe that the five brothers and sisters found in Turkey could hold unique insights into human evolution.

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    • Many human genes evolved recently

      Posted by Billbar from Codylyonblogolater.blogspot

      Human genes involved in metabolism, skin pigmentation, brain function and reproduction have evolved in response to recent environmental changes, over the last 15,000 years or so, when modern humans dealt with the end of the last ice age, the beginning of agriculture, and increased population densities.

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      In Support of Natural Selection

      Posted by Billbar from Seed Magazine

      The debate has finally tipped. A wide-ranging study provides evidence for an environmental basis for the origin of species, rather than a random series of genetic mutations, essentially proving the theory of natural selection.

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