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  • VOA标准英语2011--Scientists Target Antibodies That Work A

    Scientists Target Antibodies That Work Against Many HIV Mutations The search for a vaccine against HIV/AIDS has been disappointing, in part because the virus cleverly changes to elude the antibodies of the human immune system. Now, scientists have id...

  • Gene Mutation Linked to Type 2 Diabetes

    Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they...

  • VOA标准英语2010年-Our World - 1 May 2010

    This week on Our World: Geneticists find new clues to a puzzling disease ... the fungus that's killing off bats ... and the coming increase in hazardous electronic waste... WILLIAMS: By around 2030, we're looking at potentially a billion e-waste comp...

  • SSS 2008-11-06

    This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Why bother with sex? Its a question thats bugged biologists since they first noticed that some critters do it and some dont. The answer theyve come up wi...

  • SSS 2008-05-28

    This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now...

  • SSS 2008-05-20

    This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj...

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