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(176) / 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(183) / 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(190) / 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(194) / 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(162) / 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(185) / 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(164) / 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(198) / 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(191) / 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(192) / 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(169) / 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(161) / 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(196) / 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(171) / 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(205) / 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(188) / 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(184) / 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(215) / 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(206) / 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(215) / 评论(0) 分类 Scientific American(四)月
学英语单词
acoustic frequency branch
actinomycess
adjustment of measuring instrument
air defense formation and disposition
airscrew turbine engine
allocation number
Aquinas, Saint Thomas
automatic control system with variable structure
balubun
bar work
black disease(sheep)
chatterji
civilness
compensating pyrheliometer
cutinite coal
danicas
date rate
deep-bar cage winding
depleted reservoir
dispersing stagnated liver qi for relieving qi stagnation
domenica
double thickiness
dream analysis
drum movement
dynamic routing
economic commission for asia and the far easts
eelams
effective supervision
enjoyment of right
environmental modification
Erinna
fadeyev
flow bog
forced motion
full return of contributions
glycerin-potato medium
Groitzsch
hologenetic action
hook up sheet
Hérens, Dent d'
I personally
internet environment equipment readiness
lecea
litsea elongata mushaensis
Long Huong
Lord Steward of the Queen's Household
lso
Madeirinha, R.
main machine system
medium size
midget receiver
missile system checkout programmer
mocoa
modern construction
moist subhumid climate
movable type transformer
oil film rolls
Oliromycin
overpricing
pedagogics
pentane plus
Periploca L.
philbertia euzonata
porphyrodiablastic
preequalizer
pressure fixing
primary ctye
proletarianisms
raffia fibre
raining slag
regional convention
Reinhold Niebuhr
reread address
retarded offset
rounded error
saprine
separatedness
sequential-alarm module
Siegbahn, Kai
solid diamond bit
spheric radius
stageless transmission
standard payback period of investment
start-up rate
streptolysin-O
stupaith
sweat test
taking a leak
tearbomb
the smoke
Toros Daglari
transigents
tray-type deaerating heater
trial rate
troupers
tting
undamped free vibration
unextractible
unspliced
untalalog
vv. basivertebrales
wensleys