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
acoustic wind tunnel
adjustable slide
afro-centric
alleviative
amphidetic ligament
anti-christian
ARC (automatic ratio control)
bacon presser
band plan
bojangles
bolcking ring
boldne
business cycles indicator
Bāghmundi
c.v
cameron
capacity of testator to devise
Castelfranco in Miscano
centering-point/centring-point curve
Centre-Est, Dép.du
chain field
cie1931 standard colorimetric system
closeover
co-operators
Cohn fractionating
commutatorless generator
comunidades
decocked
defense industrial base
digital automation
diseases of heart system
doubling and tacking machine
dual-tread tyre
electron ballistics
end date
endmarker
eremophilous
estimator of mean
female homogamety
field-alterable control element
finite memory channel
fitt
for loops
Fortral
fraction slash
friend
fukienensis
greasy pig disease
gross reserves
Hebrovellidae
helldriver
holo-
hyperparathyreosis
inadunate
INTELSAT earth terminal
Izu Peninsula
keirsey
kilwa
load down
local gravity map
lorestan
lubricates
maleheurte
malobservation
maltreatment of prisoners
midshafts
montezemoloes
most-powerful
notand
octact
overintellectualized
overswithe
pencildicks
pescado
pessella
phosphoformate
plain as a pikestaff
plastic coefficient
posterior teeth
process study
pulespenone
rank-and-yank
Scots fir
shearing interferometer
single breast
slack cables switch
slow-neutron measurement
sodium silrcate
steady traffic
strategic minerals
System Restore
T'ai-yeh Lake
target-towing boat
tax free bond
transit of Jupiter's satellites
ubicate
unit of measure conversion factor
unskimpy
varityped
VF (variable frequency)
volatile rust preventive powder
vulgaxanthin