2009年Scientific American's Six

When youre done listening to this podcast, grab whatever product you use to clean. Maybe its something that smells really citrusy. Do a bit of cleaning. Then take a few deep breaths. Believe it or not the odds are now higher that youll make decisions

发表于:2018-12-24 / 阅读(121) / 评论(0) 分类 Scientific American(十)月

From Chernobyl to La Oroya, Peru, the world is littered with toxic wastelands, the residue of human industry. For the past two years, the Blacksmith Institute, an environmental health organization based in New York City, has been cataloguing the worl

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(十)月

It really is rocket scienceresearchers are using huge x-ray scanners from NASA to understand how sonar might be affecting the hearing of large ocean mammals. These scanners are usually used to inspect the space shuttles solid fuel rockets. Navy sonar

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. It sounds too good to be truehelp kids feel good about themselves, and theyll l do better in school. But it apparently worked for African-American middle

发表于:2018-12-24 / 阅读(128) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60-Second Science. I'm Cynthia Graber. This will just take a minute. The fridge is one of your home's biggest energy hogs. Better insulation can make refrigerators much more efficient. And a panel encasing a vacuum is one

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(五)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. As we recover from the holiday weekend, there is some intoxicating news on curbing the effects of alcohol. In the May 29th issue of Cell, scientists report

发表于:2018-12-24 / 阅读(139) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-second Science. I'm Karen Hopkin. If you ever got picked on in the schoolyard, you might have wished for some sort of superpower, like unbeatable speed or maybe just the ability to completely disappear. Now scientists

发表于:2018-12-24 / 阅读(149) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-second Science. I'm Steve Mirsky. Got a minute? Can you name those notes? Probably not. Perhaps one in ten thousand speakers of European languages has perfect pitch - the ability to recognize a note without having hea

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 Scientific American(五)月

This is Scientific Americans 60-second Science. I'm Adam Hinterthuer. Got a minute? The Komodo dragon is the largest living lizard and a fearsome predator. It has long been thought that some of its hunting prowess was due to a mouth teeming with bact

发表于:2018-12-24 / 阅读(120) / 评论(0) 分类 Scientific American(五)月

This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. Senior citizens don't believe the hype, because a new study finds that older folks who accept that seniors' memories get worse do worse on memory tests.

发表于:2018-12-24 / 阅读(132) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I am Steve Mirsky, got a minute? With swine flu, the big infectious disease story, you don't hear much about bird flu these days. And you may not have to look past your own nose for the reason because

发表于:2018-12-24 / 阅读(123) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? Oh! Shoot. We might think that women are not as adept as men at wielding heavy tools, like say, hammers, according to popular stereotypes. But it turns out women m

发表于:2018-12-24 / 阅读(132) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. Numerous studies have shown that lack of sleep hurtsit can lead to weight gain, diseases, and of course weakened cognitive functioning. But a bad night

发表于:2018-12-24 / 阅读(168) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will just take a minute. Last month, President Obama pledged nearly half a billion dollars toward the development of solar and geothermal energies, but what about wind? A team of s

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 Scientific American(六)月

This is Scientific Ameicans 60-Second Science. Im Steve Mirsky. Got a minute? Would you mind telling me what this is all about, Mister? No problem, Captain. A study in the Journal of Applied Physiology shows that artificial gravity should prevent a b

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 Scientific American(七)月

This is Scientific Ameican's 60-Second Science. I'm Karen Hopkin. This will just take a minute? Forget the meek. If the Earth keeps getting warmer, a recent study shows that its the small that are gonna come out on topat least in the worlds oceans. W

发表于:2018-12-24 / 阅读(122) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr

发表于:2018-12-24 / 阅读(148) / 评论(0) 分类 Scientific American(五)月

The toucan's long bill has long perplexed biologists. Darwin theorized that it attracted mates. Other suggested uses ranged from fruit peeling to territorial defense. But a report in the July 24th issue of the journal Science offers another explanati

发表于:2018-12-24 / 阅读(124) / 评论(0) 分类 Scientific American(七)月

Why did the orangutan cross the forest canopy? Presumably, to reach some tasty fruit. But the better question might be: how did the orangutan cross the forest canopy. And according to a study published in the Proceedings of the National Academy of Sc

发表于:2018-12-24 / 阅读(135) / 评论(0) 分类 Scientific American(七)月

When Michael Phelps is out of the water, he towers over mere non-Olympic mortals. Then he slips into the pool, and makes record-breaking speed seem effortless. His height, it turns out, is no accident. According to research published in The Journal o

发表于:2018-12-24 / 阅读(189) / 评论(0) 分类 Scientific American(七)月
学英语单词
-r(r)hage
acoustooptic(al)
adjust and control
alleged stolen property
analysis of neural network
antipellagrafacotor
auto coupler
bamis
bandy-bandies
bellows camera
boitani
bona fide holder
brangland
broad leaved forest
celerities
cermet button
Cherwell
chippy hoist
common consent
conduit-pipe
conicic acid
conjugate imaginary roots
copulative
crewet
de Broglie wavelength
decorative lamp
DNA cleavage
emotion impairment
encainides
eruptively
extruder pressure
Fenallymal
fuentes de ebro
full type roller bearing
gene-nappers
goods section
Haplomycetes
honey creeper
internal IP address
It's dollars to doughnuts
kawa kawa
lanza
laser-printed
law of large number
lething
Littlehampton
lustrelessnesses
Lyrodesmacea
magnetic oscillator
maneuverable-ball re-entry vehicle
manganeseous
microtip
misbelief
mononitro-derivative
mounting block
navejas
nessler
non-repairable
NOT-OR
nucleolins
obequitate
once-livings
operating officer
osmium(iv) hydroxychloride
otaplex telegraph
paddy stem maggot
papamarkou
Paulings
penny wheep
person suffering from seminal loss
photichthyids
Pike-Conger
plataeae
Polya process
positive torsion
quantity underrun
quota control of energy consumption
rain rot
safety remote control
saturation disintegration rate
sea dahlia
serum lipid
static weighing method
stiff neck
sue sb.for civil injury
symbiology
Syul'dyukar
taxi way shoulder
tent-city
thermal efficiency curve
tholins
thymolysin
topographical divide
UBFC
Ulithian
unbiasing
uncollated
unobservableness
vertex capacity
Wharfedale
wilkstroemin
zippergate