《环球科学》(“科学美国人”中文版)【唯一官方网站】移动版

  • NEJM: Sleepy Surgeons Should Get Patient Consent

    日期:2010-12-31 09:01:53 点击:68 好评:6

    An editorial in the The New England Journal of Medicine recommends that patients provide informed, written consent to undergo elective surgery by physicians who haven't had enough sleep. Steve Mirsky reports ...

  • Fluoride's Dental Dominion May Remain A Mystery

    日期:2010-12-30 09:08:32 点击:64 好评:4

    Spectroscopic analysis finds that the fluoridated layer thought to protect teeth is probably too thin to be responsible for fluoride's effects. Karen Hopkin reports ...

  • Self-Reported Empathy Dropped Over Last 30 Years

    日期:2010-12-29 09:08:33 点击:76 好评:2

    Analysis of some 14,000 college student surveys over the last three decades finds that self-reported levels of empathy for others have decreased. Steve Mirsky reports. ...

  • The Earth in 2010

    日期:2010-12-28 09:04:37 点击:75 好评:8

    What were the biggest environmental stories in 2010? David Biello reports ...

  • Family Gatherings Are Opportunities for Medical Detective Wo

    日期:2010-12-27 09:07:31 点击:69 好评:0

    Having many members of the family in one place is a rare opportunity to collect medical history data, which can alert you to disease susceptibilities. Karen Hopkin reports ...

  • Placebos Work Even When You Know

    日期:2010-12-24 09:10:43 点击:77 好评:4

    Patients told they were getting a placebo still reported improvements at a much higher rate than patients who were not treated. Karen Hopkin reports ...

  • A Holiday for Consumption?

    日期:2010-12-23 09:00:35 点击:104 好评:0

    The (environmental) meaning of Christmas. David Biello reports ...

  • Think More to Eat Less

    日期:2010-12-22 09:07:06 点击:210 好评:2

    If you painstakingly contemplate eating the food you're about to dig into, there's a good chance you'll eat less of it. Karen Hopkin reports ...

  • Young Female Chimps Cradle Stick-Toys like Dolls

    日期:2010-12-21 09:02:13 点击:107 好评:0

    Recent research finds that chimps tend to fall into the same gender-specific roles as human children do, even without any gender-specific tools. Karen Hopkin reports ...

  • More Money Doesn't Mean More Happiness

    日期:2010-12-20 09:11:40 点击:431 好评:-2

    Richard Easterlin wrote a paper back in the 1970s showing that increased income doesn't correlate with increased happiness. Last week he published an update on that paper. Christie Nicholson reports ...