科学美国人60秒 SSS 2014-01-07

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科学美国人60秒 SSS 2014-01-10

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科学美国人60秒 SSS 2014-01-13

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科学美国人60秒 SSS 2014-01-15

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SSS 2010-01-28

Studies from around the world have reported that men are more jealous of sexual infidelity than emotional infidelity. And women are the oppositetheyre more jealous of emotional cheating than sexual cheating. And experts often lean on an evolutionary

SSS 2010-01-22

When you picture ancient Egyptian beauties such as Queen Nefertiti or Cleopatra, theyre probably wearing dramatic black eyeliner. Ancient Egyptians believed that eye makeup had properties bestowed by the gods that protected the wearers from illness.

SSS 2010-01-21

At one time or another, youve probably said, Its a small world. Well, it used to be much, much smaller. Because according to scientists from the University of Utah, about a million years ago our ancestors numbered fewer than 20,000. The estimate appe

SSS 2009-01-29

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Weve all gotten e-mails warning us about nasty computer viruses. Maybe you even have antivirus software installed on your machine. Well, now scientists s

SSS 2009-01-28

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Triceratops, as the name suggests, were huge dinosaurs adorned with three horns on their heads. Scientists now say those horns may have been a sort of

SSS 2009-01-27

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. You may have noticed that as you get older, you start forgetting more stuff: like, where you left your glasses, or the names of your children. Well, if y

SSS 2009-01-21

Our health care is too costlyand each day brings further evidence that the ways we use energy strengthen our adversaries and threaten our planet We will build the roads and bridges, the electric grids and digital lines that feed our commerce and bind

SSS 2010-01-19

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

SSS 2009-04-01

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Coffee before biking? You may have to stop on the side of the road sooner, but new research suggests that caffeine can help you get more bang from your w

SSS 2008-09-01

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

SSS 2008-12-01

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It may look like just another animal. But one kind of lowly sea slug actually has the solar power abilities of a plant. Bizarre but true, the sea slug

SSS 2008-02-01

This is Scientific Americans' 60-Second Science. I am Cynthia Graber. This'll just take a minute. Air pollution is bad for our health, but scientists say we don't know much about the long-term effects. So researchers in Canada and the Netherlands dec

SSS 2008-01-14

This is Scientific Americans' 60-Second Science. I'm Karen Hopkin . This'll just take a minute. If I ask you to picture someone who recycles, you might come up with an image of an idealistic young nature lover, someone who has the time and energy to

SSS 2009-12-01

Most psychotherapists would agree that depression is anger and sadness that has been repressed. And it can lead to a state where the afflicted feel there is nothing they can do to change their own situation. A hopelessness emerges. Well, another key

SSS 2009-07-01

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? During the last ice age our problem was too little carbon. Unlike today where too much carbon is causing global warming. Past glacial ages occurred partly because

SSS 2010-10-01

A lot of smartphone apps can help you out if you let them access your phone's GPS. But even if you give permission, do you know everything they're doing with that information? Some computer scientists wanted to find out. So they modified the Android