Scientific American's Sixty

When We Fly to Mars, Microbes Will, Too 飞向火星的不止是你,还有我 A humid bathroom is the perfect habitat for mold. But there are ways to avoid it. We can just open the window and let some fresh air in! Not so easy on a space station th

发表于:2018-12-02 / 阅读(161) / 评论(0) 分类 未知分类

Its the season for celebrating and many of those celebrations include imbibing alcohol. Which sometimes leaves us the next morning with uncomfortable reminders of our excesses. But does what we drinksay bourbon versus vodkamake a difference? Apparent

发表于:2018-12-02 / 阅读(171) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. They call it culturomics: the obvious play on the word genomics looks at trends in human thought and culture. But scientists say culturomics has been h

发表于:2018-12-02 / 阅读(183) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. I'm Karen Hopkin. This will just take a minute. Pop-pop! Its so good to see you. How are you? Mans voice: Good, good. How are those knees holding up? And the old ticker? Man: Fine. Cant complain. What m

发表于:2018-12-02 / 阅读(156) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Karen Hopkin. Thisll just take a minute. Any school kid can tell you that comets are made of ice. That frozen water burning off is what gives comets their characteristic tails. But asteroids were g

发表于:2018-12-02 / 阅读(163) / 评论(0) 分类 未知分类

This is Scientific America's 60-Second Science. I am Karen Hopkin. Thisll just take a minute. Research on acupuncture just got a shot in the arm. Well, a needle near the knee, actually. Because a study in the journal Nature Neuroscience has uncovered

发表于:2018-12-02 / 阅读(137) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. [Sports announcer:] Hello and welcome to Sports Update. In NHL action: with two seconds left in OT, Penguins winger Jean Jejune nailed a wrist shot from

发表于:2018-12-02 / 阅读(137) / 评论(0) 分类 未知分类

This is Scientific Americans 60 second Science, I am Sophie Bushwick, got a minute? Comparisons of different animals have shown that larger brains provide greater intelligence, but they also guzzle more energy and have other consequences. Now scienti

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Windows Vex Bats' Echolocating Abilities 干扰蝙蝠回声定位的烦人窗 Just as humans understand the shape of our surroundings by how light reflects off objects, bats use reflections of sounds they produce insteadwhats called echolocation. But

发表于:2018-12-02 / 阅读(147) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. This will just take a minute. Youve probably chased a fly or two around the house this summer. And, chances are, it took a few swings before you brought down the buzzing nuisance.

发表于:2018-12-02 / 阅读(166) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Sticks and stones may break some bonesunless you're a young female chimp. In that case, you're more likely to cradle your stick like a dollie. That findi

发表于:2018-12-02 / 阅读(193) / 评论(0) 分类 未知分类

Organisms evolved sexual reproduction so they could stay one step ahead of parasites. Or so the theory goes. But what about beasties that make babies without sex? How do they escape infection? A study in the journal Science suggests that for bdelloid

发表于:2018-12-02 / 阅读(164) / 评论(0) 分类 未知分类

Wetlands Could Save Cities--and Money, Too 湿地不仅能保护人类还能替人类省钱 As Houston begins recovery efforts from Hurricane Harvey, a new storm threatHurricane Irmais barreling west towards the Caribbean and Florida. We have few def

发表于:2018-12-02 / 阅读(138) / 评论(0) 分类 未知分类

In 2008 astronomers discovered surprising amounts of water molecules where planets were forming near young stars. But how, they wondered, could those molecules survive? They should have been destroyed by ultraviolet radiation. In theory, planetary du

发表于:2018-12-02 / 阅读(165) / 评论(0) 分类 未知分类

Picture a gamer, someone who spends countless hours immersed in one of those online role-playing alternate realities. And what do you see? Is it a physically fit female closer to 40 than 14? If not, you may need to rethink your assumptions about geek

发表于:2018-12-02 / 阅读(151) / 评论(0) 分类 未知分类

The northeast just had its first big snow of the season. Meanwhile, on Titan, it was foggy. That weather report brought to you by researchers publishing in the journal Astrophysical Journal Letters. The scientists found that Titan, Saturns largest mo

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Feds Want to Know Who's Protesting Trump 联邦政府妄图追查谁在抗议川普 Internet companies often receive requests by law enforcement for customer info to help with ongoing investigations. Rarely, however, will a court order hit up a Web h

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Cannibalism Quells Contagion among Caterpillars 同类相食可防治传染病 Ben Van Allen collects caterpillars. 本 范 艾伦喜欢收集毛毛虫。 While doing postdoctoral research at Louisiana State University, 在路易斯安那州立大学做

发表于:2018-12-02 / 阅读(131) / 评论(0) 分类 未知分类

Did you ever sit down to take a test and discover that the person next to you mumbles his way through the whole thing. You probably thought, What kind of doofus cant add a few numbers without moving his mouth? Turns out the answer may be: a very clev

发表于:2018-12-02 / 阅读(158) / 评论(0) 分类 未知分类

Could there be a substance that both gives us the munchies and can help combat obesity? There may indeed be, according to research published in the Proceedings of the National Academy of Sciences. The Monell Center in Pennsylvania partnered with Kyus

发表于:2018-12-02 / 阅读(132) / 评论(0) 分类 未知分类
学英语单词
adaptive delta modulation(adm)
Adrenalotomy
Alawis
allogenic skin graft
allylalcohol
Amomum tsao-ko Crevost et Lemaire
animatenesses
Armissan
astragalocalcaneal
atavaquone
backplastered
barnacle
be at war
bifactor model
bischoffs
breed in and in
bucket-brigade
Buddhisms
callistocythere chihyunga
carbon-zincs
carcinoma of seminal vesicle
caycoideous
cheiropters
clanged
co-operative bank
colour range
container train
cotimazin
Couva
Cruveilhier's atrophy
diagonal integration
extraordinary disburse
fixed-sequence wiring analyzer
flared coupling
Folium Stramonii
Franois Premier
Freecyclers
go spare
hard shelled
high voltage electron microscopy
homogeneous design
hypothome
in-phase filter
insectifuge as feed additive
interburner
international contacts
intrapelvic
Isachne
Katayama disease
lead compensation
lettres on dancing and ballets
lig. stylohyoideum
listening frequency
lost returns
Lysimachia debilis
make-a-dates
male sterile maintainer
mandelstam invariants
Mbam
mean length of turn
mean threshold shear stress
MHLC
mid-septembers
multiple rate of exchange
nourishing yin and promoting granulation
octandrious
optoacoustic transducer
password information
perfect title
police story
Postcomm
process plant
processor type
prolog programming language
Raman frequency
reference reflector of Michelson
renanolone
sagittal axis
save the situation
screen distance
shores
simplex wave winding
simulfixes
single-rate
spielmeyer-vogt diseases
stabilizer reboiler
superbas
swinging radius
Syrianism
Taklamakan Desert
task command
theory of two-step flow
theory on preparing Chinese crude drugs
total arc of transmission
triglycine sulfide
us pc
used to the pain
vagina fibrosa digitorum manus
Vérosvres
watevs
wet pack
wheel driven drill