Scientific American's Sixty

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Pasteurization makes food safe by heating microbes to death. But the high temperatures can destroy some nutrients too. A possible alternative? Ultrahigh

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science.I'm Steve Mirsky. Got a minute? Hi. Im running. Im also telling some ofmy stem cells what to do right now. Well, I probably am, based on a new study with mice. We have what are called mesenchymal stemce

发表于:2019-01-08 / 阅读(118) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Labor Days over, and Americans fortunate enough to have jobs are getting back to work. But all work and no play might make us, well, less productive. Tha

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 未知分类

This is Scientific Americans 60-SecondScience. Im Steve Mirsky. This will just take a minute. Economics:supply and demand. Thats Father Guido Sarducci... Thats it. sharing theentirety of the economics course at his Five-Minute-University. Of course,

发表于:2019-01-08 / 阅读(125) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Thars gold in them thar hillsand we may have meteorites to thank. Because it appears that a rain of meteors nearly 4 billion years ago peppered the Earths

发表于:2019-01-08 / 阅读(92) / 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. 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

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 未知分类

What does a bookworm have in common with a black-tufted marmoset? They both like a little quiet. Or so say scientists in the Royal Society journal Biology Letters. As urban areas continue to expand, their human inhabitants spread all sorts of polluti

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Only 10 percent of people die from primary tumors. The real problem is when it spreads around the body. The problem of metastases. Arizona State Universitys Paul Davies, s

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? When your stomach's empty, it pumps out the hormone ghrelin, to whet your appetite and get your juices flowing. But ghrelin doesn't just make you crave a bite.

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Cynthia Grabera. This will just take a minute. Keeping the brain active and engaged appears to combat the cognitive decline associated with getting older. Now a study has found a new, but related,

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The story is called Appointment in Samarra. A Baghdad merchant sends a servant to buy provisions. While at the market, the servant bumps into Death, who makes a threaten

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. The tabloids love a good celebrity romance. But so do scientists. One has even used movie stars as models for understanding why people tend to marry partne

发表于:2019-01-08 / 阅读(70) / 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. Parents wring their hands over infant sleep patterns. And so when those patterns change, parents tend to panic. But if your baby is sleeping more or na

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Some things are best done after dark--setting off fireworks, telling scary stories and charging your plug-in hybrid electric vehicle, because a new study s

发表于:2019-01-08 / 阅读(78) / 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. Albert Einstein wins again. A new study has confirmed another prediction of his theory of general relativity. The corroboration appears online in the jou

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? It's not news that tobacco's bad for your healthnearly half a million Americans die from tobacco-related illnesses every year. And among people who abuse drugs

发表于:2019-01-08 / 阅读(82) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? One way advertisers convince us to buy something is to remind us that weve enjoyed their product before. But unfortunately, we can have fond memories of a produc

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? One way advertisers convince us to buy something is to remind us that we've enjoyed their product before. But unfortunately, we can have fond memories of a pro

发表于:2019-01-08 / 阅读(130) / 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. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(112) / 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. If you want to guess how many jelly beans are in a jar, you should ask your friends. Then average their answers. Because a group guess is often more accu

发表于:2019-01-08 / 阅读(79) / 评论(0) 分类 未知分类
学英语单词
a local breeding method
accurate recording
aemia
aircraft radome
aluminium liquid
analog voltmeter
angular distortion
annihilationistic
apogon lateralis
aragons
audios
be on it
becon
big bluestems
binnacle
biphotonic absorption
bubble-point
byral
cadpr
China National United Advertising Corporation
Chrysops
circle diagram
cleaner's
collective coordinate
congrues
cultural reality
cylas formicarius
diskette drives
Dounby
dropsy of head
dry market
eastern boundary current
entomological neurophysiology
expenditure cost
Fourier analysis dlg
gravitole
griqua
gyro instrument
Haidan
hardening at subcritical temperature
harked back to
high-speed planing machine
I started a new hobby
inchalik
inner block
instantaneousness
Kitambala
knowledge-directed database
kundaite
Larry Adler
light scantling ship
liquid mirrors
long defence
lube oil reservoir
magnetic differential
manual pelvimetry
mood-incongruent
morning room
nadolol
odtaas
officeholding
old-stock
pacific herrings
packaging cell line
pasp
Pepreomycin
perspective correction
polypoid tumor
pseudospin mechanism
psilocybin
rack car
rhagoletis pomonella (walsh)
Rubus alexeterius
self-interstitial defect
sexual inversions
skip a beat
spike rot
splicing attenuation
spool face
spot testing
ST_doing-and-achieving_waiting
star-glory
study-specific
Subcontract Transport
substantia gelatinosa of Rolando
suelta
surjunctive groups
sympathetic fibers
Talmine
tcc (telecommunications corodinating committee)
three hole core
TNLA
to go overboard
to keep a stiff upper lip
too little
transverse ligament of leg
Triomphes
undermoderated
uniarticular
upper limit of size boxed dimension
urban flood control
W-P-WS