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(156) / 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(143) / 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(189) / 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(166) / 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(190) / 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(197) / 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(191) / 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(200) / 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(155) / 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(169) / 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(166) / 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(174) / 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(227) / 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(179) / 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(186) / 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(157) / 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(188) / 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(173) / 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(164) / 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(236) / 评论(0) 分类 Scientific American(七)月
学英语单词
airesearch
airliner
alarm gun
alchlor
axopod
beam component
Behrens-Fisher two-sample test
Bodva(Bódva)
Boerboonfontein
both to blame
callistocythere asiatica
calymmatobacteriums
cantera
check posting
Chinese honeysuckles
commutator pitch segment
compound ripple mark
cover plate
delta cap
detoxin complex
diesel particulate matter
disodium chromoglycate
double-row runner
etroflex
expressionismus
fall cloud
feed scanner
formation packer
Fubai
functional derivative
genus ctenocephalidess
get oneself together
gravity-operated haulage
guardian valve
Haematophanite
have a stake in
headshops
hemigastrule
hunter valley
hydrometallurgical
ignition temperature of pulverized coal-air mixture flow
immobility
industrial process
James' powder
janitzio
Kastelorrizon
kenmares
Lake Baikal
least square method (lsm)
lefthand
Ligustrum molliculum
line interception method
liquid waste cooler
loop unrolling
make a stranger of
medailon
mesquits
metalic contact
neutrality
non biblical
Norton Canon
Okaka
packer bin
paragraph
parcel out something
pauh
pediastrum boryanum menegh.
pennatula
piston pin hole reamer
pitchometer
polemical treatise
polytetrahydrofurans
poochas
Pugachev
quasicontinuous variation
Ramon y Cajal
repulsiveness
SCPT
shipborne navigational aid
shortnose sturgeon
slope signal
sodium picramate
spinyhead
squintier
St Catz
status of funds
submerges
tank knee
tetragonal tetratohedral class
to put to use
travel(l)ing-grate stoker
traveling limit angle
triphospho-pyridine-nucleotide
Triptriolide
turn signal
underhand service
untransmigrated
venereous
xiphodynia
Yetkul'skiy Rayon
yolk sac epithelium
zero values