2008年Scientific American's Six

This is Scientific Americans 60-Second Science, I am Karen Hopkin. This will just take a minute. Somewhere along the line you've probably heard that you should drink eight glasses of water a day. Its supposed to make your skin supple, keep your organ

发表于:2019-01-08 / 阅读(185) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science, I am Cynthia Graber .This will just take a minute. How can we improve engines, inhalers and fire extinguishers? Maybe by copying a beetle. The bombardier beetle's name might scare off predators if they

发表于:2019-01-08 / 阅读(202) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Bacteria are amazingly adaptable. They live in hot springs, in the dead sea and of course inside people where they can dish up some truly nasty diseases.

发表于:2019-01-08 / 阅读(205) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science, I am Cynthia Graber. This will just take a minute. Western Mexico and countries on the west coast of South America had ancient relationships, involving trade in goods and culture. Now MIT students have

发表于:2019-01-08 / 阅读(217) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I am Karen Hopkin, this'll just take a minute. For years, advocates have touted the use of biofuels as a clean burning alternative to gasoline, now a pair of studies published in the Feb 8 issue of Sci

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 Scientific American(二)月

This is scientific Americans 60-Second Science, I am Karen Hopkin, this will just take a minute. Time for another episode of those amazing alligators. On March 14th, we told you how gators use their lungs to steer through the water. Now, Louisiana bi

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans' 60-Second Science. I'm Karen Hopkin . This'll just take a minute. If I ask you to picture someone who recycles, you might come up with an image of an idealistic young nature lover, someone who has the time and energy to

发表于:2019-01-08 / 阅读(182) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans' 60-Second Science. I'm Cynthia Graber . This'll just take a minute. You think we enjoy something based on its intrinsic qualities. Food should taste good because its molecules tickle our tongues. But it's much more compl

发表于:2019-01-08 / 阅读(215) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans' 60-Second Science. I'm Steve Mirsky. Got a minute? Gonna watch the NFL Conference Championship games on Sunday? Youll see evidence for a new finding: aggression is rewarding. In what scientists from Vanderbilt University

发表于:2019-01-08 / 阅读(207) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans' 60-Second Science. I am Cynthia Graber. This'll just take a minute. Air pollution is bad for our health, but scientists say we don't know much about the long-term effects. So researchers in Canada and the Netherlands dec

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans' 60-Second Science. I'm Chelsea Wald. Got a minute? Vinaigrette dressing: when you shake it little vinegar droplets scatter through the oil, but when you put it down, the droplets merge and the dressing separates. That's

发表于:2019-01-08 / 阅读(182) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans' 60-Second Science. Im Cynthia Graber. Thisll just take a minute. When is an ant like a piece of fruit? When its infected by a parasite. Researchers affiliated with the Smithsonian Tropical Research Institute discovered t

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans' 60-second Science. I'm Karen Hopkin. This will just take a minute. When you have an itch nothing feels better than a good scratch. Now scientists from Wake Forest University Baptist Medical Center think they know why. Th

发表于:2019-01-08 / 阅读(203) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans' 60-Second Science. I am Adam Hinterthuer. Got a minute? Hitting your mid-forties? Chances are you are feeling down but don't hang your head. You are just at the bottom of life's U shaped path of happiness. You might not

发表于:2019-01-08 / 阅读(189) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science,I'm Christopher Intagliata,got a minute? Benny Goodman earned his title,the king of swing as a virtuoso of the clarinet,but now a computer in upstate New York has learned to rip him off.Researchers at

发表于:2019-01-08 / 阅读(221) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science, I'm Steve Mirsky, got a minute? Every Star Trek fan knows theres matter and antimatter, but why is there apparently so much more matter than antimatter?Scientific American's JR Minkel: Two recent exp

发表于:2019-01-08 / 阅读(211) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer, Got a minute? Hillary is undecided; Obama and McCain both passed. But the scientific community is committed to staging a candidates debate about science and technology. They want

发表于:2019-01-08 / 阅读(203) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science, I'm Cynthia Graber. This will just take a minute. In vitro fertilization(试管受精) efforts can be helped by oddly enough oral contraceptives .That's the finding from Tel Aviv University, site of the

发表于:2019-01-08 / 阅读(238) / 评论(0) 分类 Scientific American(四)月

This is scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Predicting a hurricanes strength and speed is crucial in order to save property and lives. Right now, the only way to get accurate information is to fly

发表于:2019-01-08 / 阅读(230) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a minute? When I got into a cage with a Komodo dragon almost 10 years ago for a story, I had no idea that its skull was so special. Neither did scientists until now. But a report

发表于:2019-01-08 / 阅读(239) / 评论(0) 分类 Scientific American(四)月
学英语单词
A arrival factor
acrocyanotic
alcohol-fuelled vehicle
alveolar endothelioma
amynthas corticis
antirollover
approximated
atmospheric research
autoconduction
beautilities
bloostein
CALYCOPHORA
ceratomalacia
cherishable
chingachgooks
closed isobar
coefficient of piezotropy
column foundation
coparents
correction instruction
ctenopteris obliquata
cyathophorum japonicum broth
deuterium target
di'ing
draftsmen
eager to please
egg tooth
emioryonic plate
far beyond
favorer
fetial law
field excitation
flintily
functional diverticulum
gear feed
heat flow density of fuel element surface
hendeca-
hepatoenteric
high-intensity carbon arc lamp
homogeneous catalyses
honeynet
islets of Langerhans
isons
Jack Randall
kenedy
Lamaline
liquid mercury lift
Majol-li
Mansonia ochracer
maximum packet lifetime
means of signal communication
Medvedok
mine support
mirror-phone
multiple slab anode
n-butyl
neumayer screen
nomar
non-graded sediments
noseprinting
off content
Orelle
Pentam
perishest
policy advice
polyfill
profoundity
radices senegae
rate of emergency water make-up
research field
rigs
road sweeper-collector
rosow
rubber mallet wooden handle
sacral splanchnic nerve
Samsu-gun
Sapaya
saturation vapor pressure (of moist air) with respect to water
scorbutic anemia
search and rescue planning
seat edge
self-pressurized system
semasiographic
set a young
snitzed
starter motor wire
subbas
syntactic type
touchpanel
Trophicard
Tsomo
two-lined chestnut borer
unbefriended
uniprocessor state
Valren
vena ili(a)ca
vigh
water release tunnel
weather freezing
weld-on surface-temperature resi-stor
whose fault