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(237) / 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(198) / 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(236) / 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(266) / 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(236) / 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(246) / 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(201) / 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(233) / 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(236) / 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(188) / 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(220) / 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(219) / 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(247) / 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(162) / 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(182) / 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(237) / 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(198) / 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(207) / 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(237) / 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(238) / 评论(0) 分类 Scientific American(九)月
学英语单词
acetaldehyde (ch3cho)
acute diarrhea
aiah
andaman-nicobar island arc
anti-crystallinic pipe
apancreatic
apertura mediana ventriculi quarti
aros
band-edge energy
Baragwanathia
beat the streets
big-end bolt
birkins
bodymaster
broad bean weevil
carinifer
carlsons
Chirita forrestii
churls
coaxial antenne
color television transmitter
cypripedium reginaes
dealmaker
Dentipatch
direct optical amplification
electrical-resistance thermometer
excavation prospecting
Facebook fan page
fast breeder (power) station
first hand
fiscal levy
Fitzroy R.
foul plays
fuel tanker
Fusiformis furcosus
gastroepiploic plexus
giving a shit
group of targets
hand-driers
hkrfu
homosulfathiazole
hoops off
huancayoes
hyperovarianism
iridium monoxide
johanssons
language of temporal ordering specification
laser fission
lepetellids
ligament fundiforme penis
listric fault
lychnose
manageability of production system
mangur
molecular energy level
morus cathayana hemsl.
mugu
multifrequency signal
notiphila (notiphila) phaea
off-gases
operating skill
organization goals
outkeepers
overall production
overrunning clutch unidirectional
overturcased
palmlet
paper feed
paper house
pectoral arch
pharyngopalatine muscle
phleboliths
plea of self-defence
polyaxonie
poodle dog
Ptilagrostis mongholica
push-rod
PWBRT
QLLC
queueing model
quickscented
Schefflera bodinieri
sector of breakdown
self adjoint operator
space launching site
spreading roll
spruntly
ST_mathematics-and-arithmetic_numbers-generally
standardization of maritime document
structure model
sumpter-house
thaumaturgy
the BBC
time keeper
torecan
tracheoscope
trichoneurus
waldseemuller
Weedsport
whall
wishbones
zehetmair