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
Acanthus ebracteatus
aestival annual
almaktoums
androsov
arrowhead twill
arturo toscaninis
Arvayheer
Asia Clear
Aygavan
Batu Lima, Sungai
boron bromide
brachypodum
breakfast bars
bristle fern
british-cameroons
bunostomun phelebotomum
cathodegraphs
CH
clinker coating
cold status
complex stress
conservation of plant resources
counterfeiteth
Creutzfeldt-Jakob disease
dabrowa
dark adaptations
dead-(and)-alive
demulce
dietary alveoloclasia
downgoing wave
dryades
eigene
electroplating effluent
emplet
entry data
F (friction)
family Xenicidae
fastness to water
ferrum pulveratum
fleet testing
front yard
gap in the market
glass film plates
Glisp
greenhouse planning
Gurz
HA-tag
hardened concrete
hobandnob
hydroxyprostaglandin
Ijebu-Igbo
input-output interface
ivory-type
latex froth building machine
Les Triagoz
limnic coal-bearing series
luhr
maione
marl soil
mating discrimination
messaging API
meteorological effect
monthly mean relative humidity
Mukinge Hill
multi-effect multi-stage(flash)vaporizer
noncontacting electrode
noncontaminated atmosphere
normal population
open type fuel valve
oxoushinsunine
Palo Alto Research Center
papyraceous fetus
parasitifier
piezo electric effect
pndc
polar bear
pounds per foot
pre-sling
Pribnowbox
propenoate
pulsed laser welder
quality of service,QoS
quantum level
radical vulvectomy
reinclusion
ring rim type rotor
saddleth
school-finance
scream therapy
selective retention
self mulching
selikoff
shovel bucket
slowstart
subluxation of lens
sweetling
sweg
tuberculosis of penis
visual identification
ward bed
well-knownness
zant