2010年Scientific American's Six

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

发表于:2019-01-08 / 阅读(183) / 评论(0) 分类 Scientific American(十)月

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

发表于:2019-01-08 / 阅读(169) / 评论(0) 分类 Scientific American(十)月

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

发表于:2019-01-08 / 阅读(155) / 评论(0) 分类 Scientific American(十)月

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(180) / 评论(0) 分类 Scientific American(十)月

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

发表于:2019-01-08 / 阅读(210) / 评论(0) 分类 Scientific American(十)月

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

发表于:2019-01-08 / 阅读(151) / 评论(0) 分类 Scientific American(十)月

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(145) / 评论(0) 分类 Scientific American(八)月

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

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(六)月

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(168) / 评论(0) 分类 Scientific American(六)月

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(134) / 评论(0) 分类 Scientific American(七)月

Sometimes it seems theres only so much we can learn about dinosaurs. We cant know what their coloration looked like, we cant watch them interact with each other. We can only extrapolate from their remains. But now scientists say we can discern a hint

发表于:2019-01-08 / 阅读(195) / 评论(0) 分类 Scientific American(七)月

Teachers get exasperated at studentsthey dont pay attention, theyre sleepy, they have bad attitudes. But improvement could be a matter of timingjust start school later. Thats according to a study in the Archives of Pediatrics and Adolescent Medicine.

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(七)月

Die-hard advocates of alternate energy might fantasize about cars that could one day run on water. But scientists in India have gone a step further. Theyve mathematically modeled an engine that should allow a motorcycle to run on aircompressed air, t

发表于:2019-01-08 / 阅读(157) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. When it comes to elections, sometimes we vote with our heads and sometimes with our hearts. But scientists at Stanford say we might also be voting with our

发表于:2019-01-08 / 阅读(130) / 评论(0) 分类 Scientific American(七)月

More carbon dioxide emissions lead to more CO2 dissolving in the oceans, which turns the water acidic. Those sour seas slow the growth of corals. And it turns out acidic seawater also makes clownfish and damselfish suicidally bold and reckless, accor

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 Scientific American(七)月

City planners and citizens alike frequently push for better public transportation. They argue that it can lessen traffic and reduce emissions from cars. Now theres a new reason to be gung-ho about public transitit helps make people skinnier. Thats ac

发表于:2019-01-08 / 阅读(116) / 评论(0) 分类 Scientific American(七)月

Being beautiful has its advantages. It can make you more popular, even make you seem more competent. Now, University of Haifa researchers have found that, if youre a politician, good looks will also make you seem more newsworthy. Because better-looki

发表于:2019-01-08 / 阅读(136) / 评论(0) 分类 Scientific American(七)月

Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated some of the essential genes that allow bacteria to tolerate their harsh living conditionsbecause these same genes might help in the creation of

发表于:2019-01-08 / 阅读(200) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will just take a minute. Youve tried everything to lose weight: portion control, fasting, liquid diets, even eating meals on a treadmill. Now, a new study suggests that maybe you s

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 Scientific American(十)月

Clothing is so yesterday. I mean, really, what can it do? It cant pick up sound, or beep at us if somethings wrong. Or can it? M.I.T. researchers say theyve developed a fiber that would allow clothing to eventually do those things. Their study is in

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 Scientific American(七)月
学英语单词
abdominal aortic aneurysms
adjunctions
alternating-current mains
Armenia
asphalten paint
atherosclerosis of coronary artery
bafa golu
balance-transformer
bannerman
beamingly
becrawl
bedgasm
Canadian soldier
card waste cleaning machine
Carex brunnea
cariniform cartilage
carlavirus lycoris virus t
cast about
catharsius
caudal musculature
cheese presses
clustered deploy
Cocteau
contemporaneously
crystoleum
curry pastes
dense wavelength division multiplexing
dense-medium cyclone
died back
dimensional homogeneous
dynamic coupling
early germ
facial cutaneous muscle
feel badly about
Fly R.
forefight
frequency modulated radar altimeter
fuelings
genus euonymuss
geraminum
giochidiol
glucoconvallasaponin A
guy fawkes nights
haasch
half decked boat
hard to
hatice
heart-quake
hydraulic air compressor
hydraulic pipe line dredge
hydroxyl-bastn?site
incoming material control
inleaks
intelligent hub
irritation cells
jarrats
Kagamiishi
kingdoms of bhutan
lady windermere's fan
lapierres
last half
leaked-in air
lemoynite
Liouville theorem
marigh
media-technology
medium-boiling solvent
microcapillary hemangioma
mustard poultice
mutual inductive coupled circuit
Napier's aldehyde test
neptis ilos nirei
net-cord umpire
nivaline
palghat (palakkad)
penthaleid
phase correcting circuit
Piper ponesheense
protozoan food web
prudence crandall
pseudochrysolite
religious intolerance
schweinfurt
semi-sphere
semiquintile
setting basin
shear band
sheave wheel horizon
shiplike
sixty-years
Sloane Ranger
Slocan
snowblinds
St Bernice
thermal voltage converter
time-table
tuck ... in
venae brachiales
Westline
word specifier
working condition