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Scientific American / News


Science news and technology updates from Scientific American

Can genes predict athletic performance?
02 12 2008 What if sideline rage could be nipped in the bud with a quick genetic test that told Mom and Dad what sports – if any – Junior could master? The Boulder, Colo., company Atlas Sports Genetics today began selling just that sort of product: for $149, it says it will screen for variants of the gene ACTN3, which in elite-level athletes is associated with the presence of the muscle protein alpha-actinin-3. The protein helps muscles contract powerfully at high speeds, which may explain why the combination of ACTN3 variants that produce it has been found in Olympic sprinters. [More]

Space shuttle Endeavor creates sonic booms over California as it comes in for a landing
02 12 2008 Residents of southern California were treated to a pair of sonic booms as the U.S. space shuttle Endeavor passed overhead yesterday en route to its safe landing at Edwards Air Force Base. [More]

Bug vs. bug: How do mosquitoes survive deadly viruses unscathed?
02 12 2008 Why can mosquitoes carry deadly viruses without succumbing to them and live on to give humans West Nile, dengue fever, and a host of other fatal illnesses. According to new research, the insects' primitive immune systems recognize that the viruses are dangerous and slice the microbes' genetic material into harmless pieces. [More]

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