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| The power of estrogen: Male snakes attract other males Posted: 10 Feb 2012 08:13 AM PST A new study has shown that boosting the estrogen levels of male garter snakes causes them to secrete the same pheromones that females use to attract suitors, and turned the males into just about the sexiest snake in the neighborhood -- attracting dozens of other males eager to mate. |
| Tell me how you are, and I know how long you will live Posted: 09 Feb 2012 02:28 PM PST The way people rate their health determines their probability of survival in the following decades. Researchers have demonstrated that for ratings ranging from "excellent," "good," "fair," and "poor" to "very poor," the risk of mortality increases steadily – independently of such known risk factors as smoking, low education levels or pre-existing diseases. |
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