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Why do people die that way?

Filed under: 小红猪 发表于 2008-02-01 00:00

原文链接: http://www.newscientist.com/article/mg20126971.900-why-do-some-people-kill-themselves.html A grand theory of suicide promises to answer this question once and for all, says Robert Pool FOR a few months in late 2006 and early 2007, the woman who called herself kristi4 was one of the best-known members of the pro-anorexia community. As the administrator of a blog on LiveJournal.com, she dispensed [...]

Big Bang

Filed under: 小红猪 发表于 2008-01-21 09:55

原文链接 What if our universe didn’t emerge from nothing, but is a recycled version of one that went before? Anil Ananthaswamy investigates ABHAY ASHTEKAR remembers his reaction the first time he saw the universe bounce. “I was taken aback,” he says. He was watching a simulation of the universe rewind towards the big bang. Mostly [...]

Bye-bye babies

Filed under: 小红猪 发表于 2008-01-21 09:50

< 原文链接 Why do women lose their ability to bear children long before they grow old? Daughters-in-law may be to blame, discovers Alison Motluk IT FLIES in the face of natural selection, yet in humans it seems fixed and universal: at around age 50, not far past the midpoint of life, normal healthy women lose [...]

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