2009年Scientific American's Six

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

发表于:2019-01-07 / 阅读(78) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Indiana Jones (I hate snakesI hate em!) would have totally despised a snake that lived some 60 million years ago. Because researchers working in Colombia have found th

发表于:2019-01-07 / 阅读(89) / 评论(0) 分类 Scientific American(二)月

Homes are rising on the National Mall in Washington, D.C. No, it's not a return of Hoovervilles thanks to the Great Recession. These are solar homes competing in the U.S. Department of Energy's Solar Decathlon, which starts October 8. From Cornell Un

发表于:2019-01-07 / 阅读(88) / 评论(0) 分类 Scientific American(十)月

When there are Nobel prizes there are Ig Nobel prizes, which were handed out at Harvard on October 1st. The awards honor research that makes people laugh and then makes them think. Among this years winners: The physics prize went to a study of why pr

发表于:2019-01-07 / 阅读(92) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conscious planning for the future was thought to be a cognitive behavior unique to humans. Not anymore. Researchers in Sweden have found a zoo chimp th

发表于:2019-01-05 / 阅读(93) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-second Science. I'm Cynthia Graber, this will just take a minute. Sex might seem like one of those little gifts from evolution. But its pretty inefficient from an evolutionary perspective. Itd be much easier to reprod

发表于:2019-01-04 / 阅读(101) / 评论(0) 分类 Scientific American(七)月

This is scientific American 60 second science. Im Cynthia Graber. This'll just take a minute. When eBay first came onto the scene more than a decade ago, archaeologists were petrified. Easily buying and selling antiquities online might increase the l

发表于:2019-01-04 / 阅读(82) / 评论(0) 分类 Scientific American(五)月

You can teach your dog to lie down. But you cant teach him to lie, or to know when youre lying. Because a new report shows that Spot cant spot deception. The studys in the journal Behavioural Processes. Weve all known pooches who run and hide when th

发表于:2018-12-24 / 阅读(85) / 评论(0) 分类 Scientific American(十)月

Youve heard of waterboarding used as a means to get suspected terrorists to talk. Some people object to such methods on the grounds that they amount to torture. But in the journal Trends in Cognitive Sciences, psychologist Shane OMara of Trinity Coll

发表于:2018-12-24 / 阅读(76) / 评论(0) 分类 Scientific American(九)月

Scary music plays a key role in ramping up the fear factor in movies. The soundtrack has such an effect that I put my hands over my ears during the most frightening moments. Now researchers at Tel Aviv University report that scary music is even scari

发表于:2018-12-24 / 阅读(88) / 评论(0) 分类 Scientific American(九)月

We all know that drinking can cloud judgment. Thats why you should never e-mail an ex after youve had a few. But for teenagers, doing dumb things now because of alcohol may be just the start. Because research with animals suggests that drinking durin

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 Scientific American(九)月

For all you space buffs who like to keep track of where the water is, it looks like you can add our very own moon to your list. Because according to a trio of papers appearing in the journal Science, the lunar surface is wetter than we realized. Fort

发表于:2018-12-24 / 阅读(65) / 评论(0) 分类 Scientific American(九)月

Every year, millions of monarch butterflies fly thousands of miles to alight in one specific forest in Mexico. How do they know what direction to flutter? Scientists had thought that an insect GPS system in their brains steered them in the right dire

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 Scientific American(九)月

Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu

发表于:2018-12-24 / 阅读(110) / 评论(0) 分类 Scientific American(九)月

A quiet restaurant. Good wine. An animated conversation. Then, mid-sentence, you catch him steal a quick sideways downward glance at his BlackBerry. And the nickname CrackBerry comes to mind. You might think: for some, the Internet is an addiction. W

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 Scientific American(九)月

Believe it or not, depression can be good for your health. Ok, not that kind of depression. An economic depression. According to work published in the Proceedings of the National Academy of Sciences, people actually got healthier during the Great Dep

发表于:2018-12-24 / 阅读(110) / 评论(0) 分类 Scientific American(九)月

Maybe its happened to you. You go for a walk in the woods and, after wandering around for a few hours trying to find your way back to the car, you realize that youve basically been walking in circles. Well, youre not alone. Because scientists have fo

发表于:2018-12-24 / 阅读(108) / 评论(0) 分类 Scientific American(八)月

The Great Pacific Garbage Patch may be disappearing, and not in a good way. New research presented at the biannual meeting of the American Chemical Society reveals that polystyrene actually can break down in seawater. Polystyrene is probably better k

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(八)月

Two years ago, Duke University Medical Center researchers said that the supposedly useless appendix is actually where good gut bacteria safely hide out during some unpleasant intestinal conditions. Now the research team has looked at the appendix ove

发表于:2018-12-24 / 阅读(68) / 评论(0) 分类 Scientific American(八)月

A big clue about whats behind the disappearing honeybees, also known as colony collapse disorder, or CCD: May Berenbaums team at the University of Illinois at UrbanaChampaign found that bees ribosomes were torn up. The ribosomes make the proteins tha

发表于:2018-12-24 / 阅读(79) / 评论(0) 分类 Scientific American(八)月
学英语单词
a forxa galicia
a niche in the temple of fame
abstinence of war
acme thread gauge
ad hockeries
air burst
alpi
amyl valerate
arm turn
b.n.f.jet test
Beatenberg
bobbin box
braver
bronze vessel
Cidocetine
clicking sound
cocked body
color coding
counter chaim
counter ring
cross-promotions
crystallization power
cylinder temperature
Delphinium cheilanthum
diabetes insipiduss
die entrance angle
dried full cream milk
drooker
electric pressure ga(u)ge
emergency trip header
encinal
equivalent principle
erament
exanthema leprosum
family amygdalaceaes
fed-ex
fedrilate
furacilin
Gama, I.
genus Paralithodes
gerald rudolph fords
gingivitis marginalis suppurative
glaucogenin
glavered
hack lever
hanwells
horizontal mixer
hydraudic chuck
imprison
inert diluent gas
infliction of body
kernel grammar
Laburnum alpinum
lamarckisms
larrousse
light casting
lycopodiaceae
magazine compact edition
Magnolia liliiflora
matrotroph
Medwin Pt.
metallurgy of ferrous metals
methyldihydromorphine
multiplex paralyses
Newcombe
Nuhaka
Palaecanthocephala
parameter tags
pendulum generator
percentage reduction of area
pitch selector
platynaspidius babai
premonitorily
pseudosematic color
Punnett square method
radix anterior nervorum spinalium
royl
sayall
shortest distance
Simkara
spearer
starch up
steam cured concrete
strollingly
sulfonated soybean oil
sympolar
tail-in
Taraxacum perplexans
tcheky
temperature indicator
the northwest
Timken Test
topological Abelian group
two-path circuit
unionization
untutoredly
vesicular exanthema of swine
water pheasant
wheat berries
wide angle aerial camera
wubbing
Zacharias