Scientific American's Sixty

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

发表于:2019-01-08 / 阅读(161) / 评论(0) 分类 未知分类

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

发表于:2019-01-08 / 阅读(185) / 评论(0) 分类 未知分类

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

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 未知分类

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

发表于:2019-01-08 / 阅读(171) / 评论(0) 分类 未知分类

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

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 未知分类

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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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

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 未知分类

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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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

发表于:2019-01-08 / 阅读(193) / 评论(0) 分类 未知分类

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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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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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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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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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

发表于:2019-01-08 / 阅读(218) / 评论(0) 分类 未知分类

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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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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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

发表于:2019-01-08 / 阅读(177) / 评论(0) 分类 未知分类

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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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

发表于:2019-01-08 / 阅读(199) / 评论(0) 分类 未知分类

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(171) / 评论(0) 分类 未知分类
学英语单词
a great choice of
Adrasteia
agency accounting
angular reduction
arming the oscilloscope sweep
Asclepias incarnata
automatic data recovery restart operation
bank liquidity
bathythemosphere
Beer,August
Beyanlu
book-jacket
bridge player
Busto, C.
Carex yunlingensis
carriage of harrow
coffee mills
comes under observation
conjects
country-fair
credit for returned goods
cylindrical fold
deoxidating
do ut des
doited
duecento
equivalent laminare film model
errorful
extralobar pulmonary sequestration
fire heated drier
Focant
foggins
ghoulies
go to arbitration
guinesses
hanging lamp
have an a shaft left in one's quiver
hopeful
hypothalamic centers
infrared crystal
inhalate
international police
iron length
jack in the green (london)
kingcups
lath bricks
leglin
line of single curvature
magslip
Mała Panew
metal oxide-semiconductor
Mikumi
mountain country
naphtha desulphurization unit
Nernst body
next best rule
noise calender
oceania (oceanica)
original problem
pannag
Paspalum formosanum
Penrose triangle
photoextinction method
physarum cinereum(bstsch)persoon
plaza Lasso, Gale
polypropylene condenser
pvs
reduced form method
Rococo style
sail in the same boat
saturation conditions
sea gull effect
segmented word
semi-polarity
serew
shut-off rod
skank
song-writers
Spanish windlass
St. Fiacre's disease
steadying band
steinings
Streptognathodas
sub employment
super-eruption
threadless fastening
timing scatter
to be driven ashore
toshihide
transit bearing
tuckage
unalliterated
vehemently
vocal apparatus
walking out of mesh
weather map analysis
within the pale of
Withington
yellowish
Z800
zebra layering
zygomatic reflex