2011年Scientific American's Six

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. They say you should take the bitter with the sweet. But if you're not a big fan of bitter, chemists have just the loophole for you. Oh, you'll still have

发表于:2019-01-08 / 阅读(133) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? A rolling stone gathers no moss. But a salamander embryo can attract algae inside its tissues and cells. This intimate co-habitationthe first ever seen between algae and a

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. When you hear about asteroids close to the Earth, you probably have visions of collisions and extinctions and a post apocalyptic future or of brave space c

发表于:2019-01-08 / 阅读(138) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in

发表于:2019-01-08 / 阅读(162) / 评论(0) 分类 Scientific American(四)月

[fly]This is Scientific Americans: 60-Second Science, I'm Steve Mirsky. Go a minute? Only ten percent of people die from primary tumors, the real problem is when it spreads around the body, the problem of metastasis. Arizona state University's Paul D

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Christie Nicholson. Got a minute? The National Sleep Foundation released the results of its annual sleep poll today, where they surveyed more than 1,500 people between the ages of 13 and 64. Here a

发表于:2019-01-08 / 阅读(105) / 评论(0) 分类 Scientific American(三)月

We Americans love our fast food. And a new study shows that a little thing like a nutrition label is not gonna stop us when we want a breakfast burrito. In January 2009 King County, Washington imposed mandatory menu labeling on all restaurant chains

发表于:2019-01-08 / 阅读(111) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Many people love what they consider a suntan's healthy glow. But the color you get from eating vegetables might be the most attractive glow of all. Tha

发表于:2019-01-08 / 阅读(221) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Its a now-they-know-how-many-holes-it-takes-to-fill-the-Albert-Hall situation, because researchers have measured the actual blood alcohol level of fans leaving professiona

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It's one of the oldest moves in teen dating. Head to a scary movie. As soon as the scary music kicks in, your date cuddles closer for comfort. Well, so

发表于:2019-01-08 / 阅读(116) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im John Matson, Got a minute? Imagine a pinball machine on multi-ball modeonly the balls are the size of planets. The early solar system was such a rough-and-tumble place. That chaotic environment produ

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(二)月

Companies spend billions on advertising every year. But they're not just pushing productsthey're selling their brand's personality, too. Think: Red Bull. What comes to mind? Most people say things like speed...power...hyper...extreme. Well, a pair of

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 Scientific American(二)月

Orchids are among the most successful flowering plants, with more than 22,000 species around the world. And thats not just because of the obsession they inspire in their human fans. Researchers spent 10 years studying orchids in South Africa, where t

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(二)月

Republican Senator Rand Paul of Kentucky has introduced a bill that would chop a half trillion dollars out of the federal budget. And although Paul was trained as an ophthalmologist, his axe doesn't show any mercy to science. For example, Paul would

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? One of the things that amazed me was when we brought business people back to say, What dont we teach you in school, these were physicists who became business people. We di

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? Walking through airports, youve probably crossed paths with a few K-9 cops. But those dogs arent just following their noses. They may be led astray by where thei

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Many of us have plenty of leisure time to devote to trying out the latest Wii game or even watching others play poker on TV. But this focus on play is

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Good news for chilly doctorsyou can wear long sleeves with impunity inside hospitals, because University of Colorado researchers find that docs pick up just as much bacter

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Ahhh, the great outdoors. Great for your health, too. Because studies suggest that the more we visit local parks, the more fit we are. Researchers at Pen

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(二)月
学英语单词
a hole in one
acylium ion
almost bounded function
anion interference
aposiopesis
Architectural Work
As is the workman so is the work.
barbronia weberi
bit hydraulic
boat compass
carates
central second hand
chipping in
christison
citizen ship
code Coran
contrarotation
countrify
creatic nausea
delaney amendment
difference scaler
dinaline
disregarders
double spark plug ignition
dpma certificate
EBOR
eccentric-strap oil pocket
ecphylactic
emulsifrication test
ensilate
erythrophlogosis
excessive neutron flux
falernum
family latimeridaes
fast-buck
flashing on
fore-approval
garvance
gauss precision weight
geissens
general teaching council
geometrical variable
gvw
hafters
halo car
hand shovelling of coal
helminthosporium zonatum ikata
hopanoid
humid rock
iasa
imperishableness
intrafilar
inverted speed
Knudsen effusion method
lace-curtain effect
leveling planer
line-transect
lower austria (nieder?sterreich)
magalhaes
maximal separable subfield
middle surface
middle-rate
monument diagram
needle-electrode
neurotrophic effect
non-investment property
pan-Latinism
paxbred
price-cutter
punitions
purchase returns and allowance
RA (random access)
radiographic testing (rt)
reactive-ion
ready (qualifier)
ringneck dove
Sarnano
Saventrine
scotch-hoppers
second-order difference
self-opinions
semi-variable cost
sign-change test
sipkins
sn-coupled solution styrene-butadiene rubber (sn-s-sbr)
softkill
soluseptasine
source principle
special shedding
SPHT
talcoid
ticket-taker
tiddle-shaped
time-interval analyzer
tok-
tpoes
Union Star
unsecured account
video-clips
wet-mix shotcrete
workers'party