Scientific American's Sixty

You, well not you, race through an intersection as the light turns red and then you notice the camera, they got you and a tickets on its way. Well researchers of quantified financial benefit of the cameras in one city turns out its for more than the

发表于:2018-12-24 / 阅读(68) / 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. Antibiotics dont work against viruses, but doctors sometimes give antibiotics to patients who have what turns out to be a viral infection, which adds to

发表于:2018-12-24 / 阅读(103) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? Think humans are at the top of the food chain? Not quite, in parts of Africa. Lions have attacked over 1000 people in Tanzania in the last 20 years. Two thirds o

发表于:2018-12-24 / 阅读(90) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th

发表于:2018-12-24 / 阅读(119) / 评论(0) 分类 未知分类

This is Scientific American 60-second Science. I'm Christopher Intagliata. Got a minute? Hey, four eyes. Let playground tongue more accurate when it applied Anableps anableps, a fish related to the garbe. It lives in the blackish water of mangoswan i

发表于:2018-12-24 / 阅读(165) / 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. Medieval armor certainly looks heavy. And now researchers have demonstrated how the protection might have unwittingly put its wearers at a heavy disadvan

发表于:2018-12-24 / 阅读(84) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Handwashing is the best way to avoid spreading infection, according to the CDC. But doctors, nurses and hospital staff wash up less than half as often as they

发表于:2018-12-24 / 阅读(61) / 评论(0) 分类 未知分类

More than 16 mammals species like the famous fly squirrel have adapted the ability to sail from tree to tree, thrilling Yes, but what is the evolutionary advantages. One theory suggests gliding saves energy, so researchers test that idea using colugo

发表于:2018-12-24 / 阅读(89) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky. This will just take a minute. Pregnant women shouldn't drink. It's become gospel, because of the danger of fetal alcohol spectrum disorder. Alcohol can disturb the normal development

发表于:2018-12-24 / 阅读(131) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Believe it or not, George isnt at home, please leave a message at the beep. So what happens when you cant get George? Some viewers have a tough time. Get out. No, its true

发表于:2018-12-24 / 阅读(43) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. When it comes to handedness, righties rule. And according to a new study, they have for a long time, because even half a million years ago, nine out of 10

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Most plants capture sunlight. And the results are usually green. Because in photosynthesis, plant chlorophyll uses wavelengths of blue and our sun's ab

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Take a fire antdon't forget your gloves. Toss it in water, and it'll eventually drown. But throw a group of fire ants into the water, come back the nex

发表于:2018-12-24 / 阅读(49) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Cities have a lot to offer: theater, music, restaurants, birds. Yes, birds. But city birds are not like other birds. Because big cities are inhabited by

发表于:2018-12-24 / 阅读(56) / 评论(0) 分类 未知分类

Cities have a lot to offer, theater, music, restaurants, birds...Yes, birds. But city birds are not other birds, because big cities inhabited by birds with big brains, that's according to a study in the Journal Biology Letters. It can take smarts to

发表于:2018-12-24 / 阅读(61) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. It can be tough to keep up with dietary trends. Like eating eggs: good for you or bad? But one thing is certain. Taking a multivitamin is a healthy choic

发表于:2018-12-24 / 阅读(67) / 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. X rays are so common today you probably never stop to think about them. They help check a broken wrist, a sprained ankle, the state of our teeth. But a l

发表于:2018-12-24 / 阅读(78) / 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. We see it all the time on shows like Bones and CSI: skeletal remains can yield all sorts of cluesgender, age, past physical traumas, but not the persons

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? It's been more than a decade since the human genome was published. And some critics have wondered where the promised medical applications are. Well, a review article in

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Airplane manufacturers have been changing over from aluminum to advanced composite materials. These lighter, stronger composites are made of fibers of

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 未知分类
学英语单词
9-Fluorocortisol
act ultra vires
apply high technology to production
augur
aviadenovirus hemorrhagic enteritis of fowl and turkey
backchecked
badly formed expression
bepaddle
birdsfoot violet
black moss
blueskin
butylbromide
chronic endocarditis
cirrhilabruss
closed pipe system
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deprimens oculi
diffraction physics
dining chair
direction protection
dismain
dyspnea of deficiency type
electric synthetic method
extreme length
fast scarlet base
feedback theory
fermor
field-balm
forced landings
fungaceous
give birth
gold c
green malachite
group of wave vector
harmonic (sound)
hiatodontia
Hollerith constant
hybrid duplex molecule
ichthyophiids
indagation
inferior horn of thyroid cartilage
inscribed polygon
inspectour
kineographs
knowhows
La Valle
laxative prescription
ma.
made a martyr of yourself
make known
make the investment yield result
mall intercept
meta orienting
Metoposaurus
minimum distance method
modem doubling
navigation society
nigero-oligosaccharide
parts company
patrol seaplane
Photinia obliqua
Piano del Voglio
practical elitism
process upset
re-enthrall
rebated mitre joint
reduce a penalty
reliability in productive systems
separate data processing
series commutator motor
sherpas
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solution residue technique
something or other
space environment simulator
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squaroid
St-Grégoire
statement of absorption of deficit
styrene
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table tenniss
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total specific ionization
transition species
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trigonometric function
turbo-blower
vacuum sealing component
vernonine
waiterlike
water-table isobath
wedge quartz
wheel set
Wikstroemia alternifolia
zumel