2011年Scientific American's Six

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Bats see with their ears, which are highly attuned to pick up minute variations in the reflection of the sound pulses they use to echolocate. Here are so

发表于:2019-01-08 / 阅读(237) / 评论(0) 分类 Scientific American(十二)月

Why do cheaters cheat? Perhaps because they can think up original ways to avoid work: a new study finds that creativity is tied to a willingness to cheat. The work is in the Journal of Personality and Social Psychology. The teacher hands back copies

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 Scientific American(十二)月

Three seconds to shoot. Its Reggie! And its Indiana by eight! Reggie Miller, Michael Jordan, Kobe Bryant. Theyve all gone on seemingly memorable shooting streaks. But past research has shown that the so-called hot hand is a myth, rooted in our tenden

发表于:2019-01-08 / 阅读(190) / 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. It's hard to feel a sense of urgency about climate changeit feels so slow. Well, try telling that to the critters dealing with it. Because new data sugge

发表于:2019-01-08 / 阅读(193) / 评论(0) 分类 Scientific American(十二)月

Golf fans always suspected it: before his infamous improprieties, the mere presence of Tiger Woods could panic other pros. Now, economist Jennifer Brown has figured out how strong that Tiger factor was. She analyzed a decade's worth of PGA events, co

发表于:2019-01-08 / 阅读(190) / 评论(0) 分类 Scientific American(十二)月

Cooking is one big science experiment. And chefs have been gaining fame for more explicit use of scientific techniques and tools in the kitchen. Now, according to an article in the December issue of Physics World, mixologiststhe folks behind the bara

发表于:2019-01-08 / 阅读(216) / 评论(0) 分类 Scientific American(十二)月

Cooking is one big science experiment and chefs have been gaining fame for more explicit uses of scentific techniques and tools in the kitchen. Now, according to an article in the December issue of physics world, mixologists the folks behind the bar

发表于:2019-01-08 / 阅读(200) / 评论(0) 分类 Scientific American(十二)月

When it comes to sheer celestial bling, stars might not corner the market on twinkle, because beneath their rocky exteriors, some terrestrial planets may be half diamond. So said scientists at the fall meeting of the American Geophysical Union. The r

发表于:2019-01-08 / 阅读(190) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? I've always thought that when I get a fever, it's my body trying to make things uncomfortable for the invading pathogen. And that's often truehigher temperatur

发表于:2019-01-08 / 阅读(208) / 评论(0) 分类 Scientific American(十一)月

The little black boxes in airplanes provide useful information after a crash has taken place. Now researchers have devised a way to use black box info from planes that do not crash to help prevent accidents from ever happening. Some airlines already

发表于:2019-01-08 / 阅读(204) / 评论(0) 分类 Scientific American(九)月

hwThe little black boxes in the aeroplanes provide useful information after a crash has taken place. Now researchers have devised a way to use black box info from planes that do not crash to prevent accidents from never happening. Some airlines alrea

发表于:2019-01-08 / 阅读(185) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? When it came to surviving freezing weather, mammoths relied on more than their woolly coats: even their blood was specially adapted to let them thrive in chilly clime

发表于:2019-01-08 / 阅读(220) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in Physiology or Medicine goes to Bruce Beutler at the Scripps Research Institute in California, Jules Hoffmann at the French National Center for Sc

发表于:2019-01-08 / 阅读(227) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in Physics goes to Saul Perlmutter at the Lawrence Berkeley National Lab, Brian Schmidt at the Australian National Lab and Adam Reiss at Johns Hopki

发表于:2019-01-08 / 阅读(190) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(310) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Amy Kraft. Got a minute? Over the course of this campaign... A lot of people watch political debates on TV. Which means great opportunities for advertisers. But an ad for an island getaway or exoti

发表于:2019-01-08 / 阅读(189) / 评论(0) 分类 Scientific American(十)月

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(193) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? Earth's surface is dominated by oceans. But where did all that water come from? Asteroids and comets smashing into the early Earth have long been thought to be a promisin

发表于:2019-01-08 / 阅读(196) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. It sounds either really crazy, or kind of obvious. But according to new research, pick-up soccer could help homeless men avert the risk of an early dea

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 Sophie Bushwick. Got a minute? Jiminy Cricket may not actually hold the door open for his lady friends, but he can still be chivalrous: researchers from the University of Exeter discovered that whe

发表于:2019-01-08 / 阅读(191) / 评论(0) 分类 Scientific American(十)月
学英语单词
.tr
abnormality of mind
active defense
agricultural income
air gyro
antiparalytical
as suwayda (es suweida)
astern gas trubine
autogenerating
axiom probability
bacci
barium sulfovinate
base slag
blow something out of proportion
Cacuaco
cement substance
changeabler
co-researcher
coachloads
compact district
competitive enterprise
complete Baumbach corona
contact-zones
cost of forestation
coverglass
creep deflection
Cupid time
cypraea felina
cytocentrifugated
deaden way
delay-pulse oscillator
der-brain
Diphyllobothrium mansoni
displacable
disprover
Dumbleyung, L.
dusting power
Earl Marchal
edema bullosum vesicae
evaporating
family Castoridae
fawnings
flow point
grattoir
greenridge
hemigalus derbyanus
high frequency compensation
high-stage bleed
homogeneate
hydraulic expanding
incremental plotter
infiltrating irrigation
kabardino-balkaria
Keeley cure
kenitic energy of wave
laze about/around
Llico, R.
macro-time variable
Mahoma
mesocalanus tenuicornis
molecular nanotechnology
monday-wednesday-friday
Nassanoff glands
Nkweto
ocean-atmosphere interaction
outdresses
parallel group
paraphyton
Pascal's triangle
plea of public policy
previo
projectothrips imitans
puss-moth
respiratory current
reversed S-shaped structure
richness class
saissets
scrollbar
secure hypertext transmission protocol
simple wire log-slide
skip printing
sky high
soysage
spa-goer
steel joist
Stellwag
stray emission
superficially
taarab
themal junction
thermonuclear reactors
thujorhodin
tiller rope guide
transmission block length
trap baiting net
wayside freight train
wengerd
with profits policy
wolpes
woven wire mesh belt conveyer
wtc