2010年Scientific American's Six

This is Scientific Americans Sixty-Second-Science. I'm Karen Hopkin. This'll just take a minute. Social networking is all the rage. Seems the more people we know, the better we feel. But that drive for being connected may enrich more than our social

发表于:2018-12-24 / 阅读(143) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. Im Christie Nicholson. Got a minute. Innocent? Or guilty? As any judge can tell you, its not so simple. What was going on the defendants mind is important. Underlying intent is a pretty big deal when i

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(三)月

The Journal of the American Medical Association doesnt usually report autopsy results. But they make an exception this week: for King Tut. The study of the boy king involved DNA analysis and CAT scans. Researchers used genetic fingerprints from Tut a

发表于:2018-12-24 / 阅读(152) / 评论(0) 分类 Scientific American(二)月

Welcome to the Science Talk, the weekly podcast of Scientific American posted on February 18th, 2010. I am Steve Mirsky. And you know what the hottest sport in the world is right now? Thanks to the Winter Olympics, it is, of course, curling. That's t

发表于:2018-12-24 / 阅读(163) / 评论(0) 分类 Scientific American(二)月

When youre looking for a table in a crowded cafeteria, you probably give wide berth to the family that sounds like its sharing a big dish of whooping cough. Well, not if youre a house finch, particularly a male. Because a study in the journal Biology

发表于:2018-12-24 / 阅读(152) / 评论(0) 分类 Scientific American(二)月

Lost in the coverage of the so-called climategate email controversy is a key point about the IPCCs track record of climate change estimates. James McCarthy is on the faculty of the Harvard Medical School Center for Health and the Global Environment.

发表于:2018-12-24 / 阅读(167) / 评论(0) 分类 Scientific American(二)月

Its long been known that nutrient-rich dust from Africa floats across the Atlantic to the Amazon. And its assumed that the dust fertilizes the rainforest. Oliver Chadwick from the University of California, Santa Barbara, says that Hawaii can also tha

发表于:2018-12-24 / 阅读(174) / 评论(0) 分类 Scientific American(二)月

Wanna be lazy and productive at the same time? Try a napbecause napping can improve learning. So said U.C. Berkeleys Matthew Walker February 21st at the meeting of the American Association for the Advancement of Science in San Diego. He followed two

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(二)月

Welcome to the science stock, the weekly podcast of scientific Americans posted on Feburary 25th, 2010. I am Steve Mirsky. Its called The Poisoner's Handbook. But in the most subversive way its about something that is buried in my heart which I think

发表于:2018-12-24 / 阅读(232) / 评论(0) 分类 Scientific American(二)月

Bring home a bucket of fried chicken and you may find that people have strong feelings about which part of the bird is best. Well, scientists at Washington University in St. Louis say the answer is: the eyes. At least when you compare them to our own

发表于:2018-12-24 / 阅读(152) / 评论(0) 分类 Scientific American(二)月

Ever wonder what your French fries were fried in? Like bumbling burglars who leave fingerprints at a crime scene, cooking oils leave their own clues. And by measuring the carbon isotopes in French fries, University of Hawaii researchers found that on

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(一)月

At one time or another, youve probably said, Its a small world. Well, it used to be much, much smaller. Because according to scientists from the University of Utah, about a million years ago our ancestors numbered fewer than 20,000. The estimate appe

发表于:2018-12-24 / 阅读(169) / 评论(0) 分类 Scientific American(一)月

When you picture ancient Egyptian beauties such as Queen Nefertiti or Cleopatra, theyre probably wearing dramatic black eyeliner. Ancient Egyptians believed that eye makeup had properties bestowed by the gods that protected the wearers from illness.

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 Scientific American(一)月

They say that men dont like to ask for directions. Well, that reluctance to seek expert advice may extend to the shopping cart. Because a study in the Journal of Consumer Marketing finds that guys also will likely avoid asking salespeople for suggest

发表于:2018-12-24 / 阅读(144) / 评论(0) 分类 Scientific American(一)月

What was around the bend in rivers hundreds of millions of years ago? Its a trick questionbecause there werent any bends. Ancient rivers were typically just wide, sheetlike flows of water. New reports in the journals Geology and Earth-Science Reviews

发表于:2018-12-24 / 阅读(166) / 评论(0) 分类 Scientific American(一)月

We all know that talking on a cell phone can impair our ability to drive (although too many of us do it anyway). Now a study in the journal Psychonomic Bulletin and Review shows that the reverse is also true: driving makes it hard to keep track of wh

发表于:2018-12-24 / 阅读(125) / 评论(0) 分类 Scientific American(一)月

Studies from around the world have reported that men are more jealous of sexual infidelity than emotional infidelity. And women are the oppositetheyre more jealous of emotional cheating than sexual cheating. And experts often lean on an evolutionary

发表于:2018-12-24 / 阅读(155) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Seconds Science. I'm Karen Hopkin. This will just take a minute. Elephants. Theyre the SUVs of the animal kingdom. Theyre big and rugged, and can carry lots of cargo. And now a study in the Proceedings of the National

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. Its often said we know more about the moon than we do about the depths of the ocean. There is a lot we dont know about the H2O that covers much of the pl

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

This is Scientific American's 60-Second Science, I'm Karen Hopkin. This'll just take a minute. What do a carnivorous sponge, a lobular yam and a flat-faced psychedelic frogfish all have in common? They're among the Top 10 Species first described in 2

发表于:2018-12-24 / 阅读(121) / 评论(0) 分类 Scientific American(五)月
学英语单词
aldobionic acid
astronomical position finding
bag-man
balagans
Balallan
barbarisms
basal lamina
bergamot camphor
blikanasaurids
break even computation
bruche
change of variation
clinting
co option
compound gland
contra-revenue account
countrysiders
craterium reticulatum
deal with somebody
deathbed
Digital Speech Interpolation
disappearing stadia hairs
drop type switchboard
economic history of agriculture
education on-demand
educational welfare officer
electron current
emptor
entable
fallin'
fox's libel act
frail-looking
Fursultinamine
get a grip on oneself
gland-exhauster condenser
glucine
Grass Patch
hand-and-food counter
have a weather weath-eye open
heroical
immunomodulatory protein
impulse noise processing
innocently
integrated development environment
ion-pair extraction
Iranianises
jetbridge
joints adjuster
kilverts
latent menstruation
lateral column of spinal cord
Lepidus 2,Marcus Aemilius
lingualization
lose one's heart to
market week
metanoete
miskicking
mouth-piece
moving magnetic type
multivariate statistical
Navia, R.
overbill
paragraphly
Phenylalanin-Lost
Pomaria
potty train
precise alloy
presomite
promoter's share
PT (pressure transducer)
Radiolocation.
register of debenture-holders
Rejection Front
return on equity
rocker box
rotary flying shears
Rothene
rubrications
S.L.T.
searchlight battery
shakier
Sharifābad
shit on a shingle
slip stress
social structurology
southerners
steady speed deviation
stimuluss
subhyoid pharyngotomy
superbreaks
supported metal catalyst
Syrmaticus
taiwanaleyrodes indica
to average out
trawls
tropopause funnel
ultracold neutron
under manning
vaginovesical
villetii
yarn feeder block
znamenn?y chant