2010年Scientific American's Six

This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a minute? A strain of mutant mice groom compulsively till they seriously injure themselves. The condition is considered a good animal model for OCD, and its similar to the human d

发表于:2018-12-24 / 阅读(105) / 评论(0) 分类 Scientific American(五)月

This is Scientific America's Sixty-Second-Science. I am Steve Mirsky. Got a minute? Some interesting electrical activity in the clouds of ash drifting around Europe as a result of that Icelandic volcano. Models predicted that electrical charge should

发表于:2018-12-24 / 阅读(82) / 评论(0) 分类 Scientific American(五)月

Hows this for a possible new culprit for breast cancer sufferers: they may be able to blame their grandmas diets. Thats the implication of a study done with rats. Researchers affiliated with the Georgetown University Medical Center fed a group of pre

发表于:2018-12-24 / 阅读(80) / 评论(0) 分类 Scientific American(四)月

A New York Times reporter recently wrote this sentence: Like most heck, all of the women I know, my relationship to food, to my weight, to my body iscomplicated. That relationship is now visible in our brains. When anorexic and bulimic women see imag

发表于:2018-12-24 / 阅读(100) / 评论(0) 分类 Scientific American(四)月

I used to scoff vi.(at)嘲弄,嘲笑at the idea of Minute Rice. I mean, are we really in such a hurry that we cant wait, like, 10 minutes for a regular old bowl of rice? Well, yes, yes we are. And fast food may be making matters worse. Because a st

发表于:2018-12-24 / 阅读(98) / 评论(0) 分类 Scientific American(四)月

An ounce of prevention is worth a pound of cure. Thats more than a folksy aphorism when it comes to infectious diseases. Because according to a report in the Proceedings of the Royal Society, its more cost effective to reduce the cases of a disease i

发表于:2018-12-24 / 阅读(85) / 评论(0) 分类 Scientific American(四)月

Shhh, keep this podcast a secret. Because new research points to a possible blind spot in airport security screening: it may be easier to sneak something dangerous past securitya box cutter, for exampleby also including an obvious and innocuous banne

发表于:2018-12-24 / 阅读(69) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Karen Hopkin. This will just take a minute. The Last Supper. The final time that the apostles shared a meal with Jesus. They gathered together, listened to a sermon and really chowed down. At least

发表于:2018-12-24 / 阅读(85) / 评论(0) 分类 Scientific American(三)月

Here are two seemingly unrelated facts. One: from the late 1940s through 1963, we tested atomic bombs in the atmosphere. Two: wine lovers are sometimes duped into spending exorbitant amounts for fake vintage bottles that werent from the year they wer

发表于:2018-12-24 / 阅读(77) / 评论(0) 分类 Scientific American(三)月

Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting

发表于:2018-12-24 / 阅读(114) / 评论(0) 分类 Scientific American(三)月

Were nice to our families. From an evolutionary perspective, that makes sense. But what makes us deal fairly with strangers? One theory holds that the development of large societies necessitated the creation of fairness, through institutions such as

发表于:2018-12-24 / 阅读(82) / 评论(0) 分类 Scientific American(三)月

If you've ever driven up to a mountain pass, you know that the higher you climb, the colder it gets. But on clear, calm days, it can actually (be) colder in the valleys. That's because under high-pressure systems, cold air slides down mountain slopes

发表于:2018-12-24 / 阅读(83) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(124) / 评论(0) 分类 Scientific American(三)月

In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40

发表于:2018-12-24 / 阅读(99) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. In the spring of 1912 an iceberg in the Atlantic took down the Titanic. Now, some humble bacteria are trying to finish the job. Scientists analyzing rust f

发表于:2018-12-24 / 阅读(153) / 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. Rats have long been guilty of spreading disease. But now they've gone into the diagnosis side. Because rats can be trained to spot tuberculosisand to do

发表于:2018-12-24 / 阅读(90) / 评论(0) 分类 Scientific American(十二)月

This is Scientific Americans 60-Second Science. I'm Cynthia Graber. This will just take a minute. 'Tis the season when were eating. And we want to be sure that the kitchen staff are following protocols that keep us from getting sick. So how best to h

发表于:2018-12-24 / 阅读(97) / 评论(0) 分类 Scientific American(十二)月

This is Scientific Americans 60-Second Science. Im KarenHopkin. This will just take a minute. Think of a qualitythat defines a strong leader. Do I hear: dynamic, driven, decisive, original?Well, I probably didnt hear original , because people who are

发表于:2018-12-02 / 阅读(101) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? As a bitter winter storm rages on the east coast, it's hard to knock being warm-blooded. But what about the metabolic cost of maintaining a high body-temperature? Well,

发表于:2018-12-02 / 阅读(128) / 评论(0) 分类 Scientific American(十二)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? As you get jostled in the daily rough and tumble, does it feel like other people care less about how rough you have it and how much youre getting tumbled? Well, your suspi

发表于:2018-12-02 / 阅读(90) / 评论(0) 分类 Scientific American(十二)月
学英语单词
A. P. D.
accelerator ZDMC
alarm cut out
all-paths-busy
AM noise
annual mean temperature difference
babycar
badmen
barb bolt
center/centre of twist
charged particle astronomy
cofinance
colourimetric
compacting and finishing machine
complete discharge
countersigned
Dallastype
data tagging
diarylethane liquid crystal
Dinidoridae
domelike structure
dominant column operation
driving energy
Drygalski Fjord
earth's inner core
effluenced
elastic distorsion
exponential response curve
facial gestures
fixed-sum credit
for the long haul
from the heart
goatfuck
half ring
halfpast
hcwh
holo-
home currency transaction
how time flies
in-line pragma
indelicacy
jamaluddin
java 2 sdk standard edition
joint snakes
leave sth out of consideration
Leucoplakia
line of production
linkage instruction
lloyd's advisory and legislation department
locking block
low-density material
manual polarograph
masonry of well
methane accumulation
Methyl-Systox
modas
moment of inertia
Navrongo
neutral relay with heavy duty contacts
objective system
operating loupe
oryctozoology
over-gassed juice
pacifiers
perfect dislocation
playground balls
playroom
pressure-temperature
printless
production trait
prometal
pullom fibre
purchase of equipment
quarter fast
radio input
rapping hole
reactor feed pump operation
retd
return flash
rougeberry
rousselot
running-ratchet train
sandblast apparatus
scylla serrata
servo assembly
shattering action
shore connection
single-way rectifier
solters
source program tape
specimen sheet
square-taper
Staritskogo, Gora
steering-column case
substantia nigras
syphon grainage
Temae, L.
Thompson River
transformation process of word
try
tumor associated antigen
unscuffed