2011年Scientific American's Six

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? (The) most obvious effect of birth control pills is, well...birth control. But the pill may have subtler effects, too. Like influencing which guy a woman goes

发表于:2019-01-08 / 阅读(212) / 评论(0) 分类 Scientific American(十)月

Most obvious effect of birth control pill is, well, birth control. But the pill may have subtle effects, too. Like influencing guy which women goes for, in her satisfaction with him, in bed and out. So says study in the Journal Proceeding of Royal Sc

发表于:2019-01-08 / 阅读(174) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Believe it or not, violence has been in decline for long stretches of time. And today we are probably living in the most peaceful time in our species' existence. Harvard

发表于:2019-01-08 / 阅读(212) / 评论(0) 分类 Scientific American(十)月

Venice's Church of the Most Holy Redeemer has held a musical celebration every year since its construction in 1592. And recently, the church has inspired debate among historians: How could its echoing chambers clearly portray the complicated music pe

发表于:2019-01-08 / 阅读(238) / 评论(0) 分类 Scientific American(十一)月

For many potential entre animals this is one of the scariest sounds around. Scientists long thought the lion's distinctive roar was due to thick layers of fat inside the vocal cords. But new research suggests that it's not the fat that makes the roar

发表于:2019-01-08 / 阅读(209) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. They say what doesn't kill you makes you stronger. But sometimes what makes you stronger can kill you, at least when it comes to blood clotting. Because

发表于:2019-01-08 / 阅读(227) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The early bird gets the wormand may avoid skin cancer. Because a new mouse study suggests that, for humans, tanning in the mornings may be less likely to permanently

发表于:2019-01-08 / 阅读(183) / 评论(0) 分类 Scientific American(十一)月

The early bird gets the worm, and may avoid skin cancer. Because a new mouse study suggests that for humans, tanning in the mornings may be less likely to permanently damage in DNA and cause skin cancer. A mouses levels of the DNA repair protein XPA

发表于:2019-01-08 / 阅读(214) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Einstein, Newton and many other legendary scientists did groundbreaking work in their 20s. But if your hair has gone gray and no Nobel seems likely, do

发表于:2019-01-08 / 阅读(203) / 评论(0) 分类 Scientific American(十一)月

Food is the body's fuel. Now a study finds that the amount of energy in that fuel can depend not just on its calorie contentbut on how it's prepared. And the research, published in the Proceedings of the National Academy of Sciences, could explain an

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 Scientific American(十一)月

Food is the body's fuel ,now a study finds the amount of the energy in that fuel can depend not just on it's calorie content but on how it's prepared,and the research published in the proceedings of the National Academy of Sciences could explain an i

发表于:2019-01-08 / 阅读(195) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? A hungry fish can kill prey with a quick bite. That is, of course, if its prey hasn't already died of fright. Take tasty dragonflies. The mere presence of pred

发表于:2019-01-08 / 阅读(205) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. A new archaeological find may signify one of the great leaps in human cultural and cognitive history. Because researchers have discovered a 100,000-yea

发表于:2019-01-08 / 阅读(223) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's Sixty Seconds Science. I'm Sophie Bushwick. Got a minute? To monitor the biodiversity of the freshwater habitat, you could compare by the water and count the rare wildlife. Or you could just scoop up a cup of water. A ne

发表于:2018-12-24 / 阅读(137) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. They say all roads lead to Rome. Unfortunately that ain't all that roads lead to. A new study shows that roads can promote the spread of antibiotic-resis

发表于:2018-12-24 / 阅读(162) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

发表于:2018-12-24 / 阅读(212) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Scientists can now include online gaming in their problem-solving arsenal. Because game players seem to have provided an answer to a scientific questio

发表于:2018-12-24 / 阅读(188) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? Out in space, NASA's Kepler mission keeps watch on more than 150,000 stars. The telescope's job is to see if those stars dim ever so slightlybecause of the presence of an

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Life requires balance. We balance work and family. We eat a balanced breakfast, sometimes. And we balance our electrolytes. That salt-water synergy is no

发表于:2018-12-24 / 阅读(218) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(215) / 评论(0) 分类 Scientific American(九)月
学英语单词
accuracy for vertical control
acute wasting paralysis
Alb Sunday
All Souls
arantzazu
askival hill
backup satellite
balancings
blood-vitreousbarrier
blotches
boyds
Bruckner method
bulkhead connector
chemistry of natural product
chubut
combined division method
command processing overheads
conservation of leptons
continuous gradient gel
corneal marginal degeneration
Corydalis cataractarum
cut-in loop
data set (for power performance measurement)
defuzing
destrings
duobinary code
enumerated data
escape gate
expansion pad
float-type pneumatic water feeder
have a foot in the dish
HEPT
hubbardston
hydraulic hobbing press
hydrogen ion determination
hygieno-climatology
hyperbolic space
hysterectomies
iliofemoral crease
ISR
Jeleniogórskie, Województwo
jobbing system
kara
kataphoresis
land-grant university
light reflection loss
litke
loathlier
logical necessity
Lowenhertz thread
machinery breakdown
manhattanites
marginis
metachrome mordant
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musculus obliquus bulbi inferior
naphthylvinylpyridine
non-secrets
notional mid-point cost
organic intellectuals
pharmacy accounting
photoelectric detection
popard
postmature infant
potato starch
power reverse gear rigging
pre-teen
preauricular fistula
present value of 1 per period
priming cok
pseudosuccinite
Ra'an, Khashm ar
radar-rock unit
rainboys
rayleigh phase function
recheck test
recurvum
regular ham
rodding transmission
roll guard
special 'a' board
specific potential energy of volume change
speed pickup
structuralisme
sweepsecond
Tantanoola
technology information system
terminal procedures
tesfaye
tortexes
transheterozygote
treasury remittance order
tricked out of
ultrasound scanner
verbs
volume modulus
wave-breaking resistance
windlike
working armchair and file cabinet
worm-brake
wulfgar
Ximenean