In 1980, a scientist looking at bone fragments under an ultraviolet microscope noticed the bones were glowing greena hallmark of the antibiotic tetracycline. The drug latches onto calcium and gets deposited in bone. Nothing unusual. Except these bone

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SSS 2010-09-07

Always finding excuses to skip the gym? Congratsyou might be able to blame your genes. Because the mere desire to exercise may be inherited, at least in mice. So says a study in the journal Proceedings of the Royal Society B. The experiment started b

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SSS 2010-09-08

This is Scientific Americans 60-Second Science, Im Molly Webster. Got a minute? Some consumers buy organically grown foods because they believe the products are healthier, tastier and better for the environment. But is this assessment true? To find o

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SSS 2010-09-09

This is Scientific American's 60-Second Science. Im Karen Hopkin. This will just take a minute. The first time you visit your boyfriends place, he no doubt tidies up, to give you the illusion that he doesnt live like an animal. Well, animals, too, ca

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SSS 2010-09-10

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Bookshops and DVD stores are closing up. No surprise, because who would pay more at the store when you can get it cheaper online? Well, a bunch of Caltech unde

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SSS 2010-09-13

This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? On September 10th we reported that people will pay more for snacks within reach. Now, another finding for the shopping science fileswhen you're trying to decide

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SSS 2010-09-14

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. We expect scientists and doctors to be upfront about whether papers they publish may line their purses. But according to a recent study in the Archives o

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SSS 2010-09-15

This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Glaciers slowly grind their way over mountains and plains, moving immense boulders and carving out fjords. Thats true in temperate regions, where glacier

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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

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SSS 2010-10-04

This is Scientific Americans 60-Second Science, Im Steve Mirsky.Got a minute? The 2010 Nobel Prize in Physiology or Medicine goes to 85-year-old Robert Edwards of England, for the development of in vitro fertilization. The Karolinska Institutes Chris

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SSS 2010-10-05

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Physics goes to the University of Manchesters Andre Geim and Konstantin Novoselov for their investigations of the two-dimensional material graphene

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SSS 2010-10-06

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

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SSS 2010-10-07

The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away

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SSS 2010-10-08

You're in the supermarket, and a man collapses. He's gasping. It's CPR time. But wait, was it 20 compressions, two breaths, or 15 to every one breath? Can't remember? Well you may not have to. Because theres hands-only CPRpressing the chest fast and

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SSS 2010-10-11

This is Scientific Americans 60-Second Science. Im Christie Nicholson. Got a minute? Is it an old wives tale or can deaf people actually see better? Scientists have long thought that the structure of our brain is fixed. For instance, from birth the a

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SSS 2010-10-13

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will just take a minute. Blackjack, slot machines, good ol Texas holdem. People love to gamble. And were not the only ones. A new study shows that pigeons will also pass up a sure

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SSS 2010-08-13

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? You don't have to be a champagne buff to want the best flavor from your bubbly. So the secret to a perfect glass? It's all in the pour, according to a study in

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SSS 2010-06-16

Which of these guys would you guess is stronger? Him? One of us is in deep trouble. Or him? Im having a party, and youre invited! If you chose Arnold over Pee Wee, its not just because youre an astute student of popular culture. A new study shows tha

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SSS 2010-06-17

Thats a shout World Cup enthusiasts dont hear too frequently. Soccers known for low-scoring games, which makes it difficult to find an objective means of measuring the skill of top players. In a given game, a couple might nail a goal or have an assis

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SSS 2010-07-01

Over the years, people have put forth a lot of theories to explain why intelligence differs, from person to person and even around the world. Health, wealth, schooling, nutrition, and even climate have all come up. Now, researchers at the University

发表于:2019-01-08 / 阅读(78) / 评论(0)

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