石虎；华南豹猫；豹猫；山猫；金钱猫, 豹猫；石虎

SSS 2008-09-04

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(117) / 评论(0)

Scientific American(九)月

SSS 2009-03-02

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its like the molecular version of the Joker and the Riddler teaming up against Batman. Scientists at Yale University have discovered that amyloid beta, a

发表于:2019-01-08 / 阅读(184) / 评论(0)

Scientific American(三)月

美国国家公共电台 NPR Prion Test For Rare, Fatal Brain Disease Helps Families Cope

RACHEL MARTIN, HOST: Scientists have developed a better test for a very rare brain disease. And as NPR's Rae Ellen Bichell reports, this test could lead to new ways to diagnose more common diseases like Parkinson's and Alzheimer's. RAE ELLEN BICHELL,

发表于:2019-01-16 / 阅读(150) / 评论(0)

2017年NPR美国国家公共电台2月

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SSS 2008-09-04

SSS 2009-03-02

美国国家公共电台 NPR Prion Test For Rare, Fatal Brain Disease Helps Families Cope