Scientific American's Sixty

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro

发表于:2018-12-24 / 阅读(179) / 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. 2011 is the International Year of Chemistry. So scientists at the national meeting of the American Chemical Society in Anaheim raised a glass. (Or a beak

发表于:2018-12-24 / 阅读(186) / 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. Its been nearly 20 years since astronomers first identified a planet outside our solar system. More than 500 exoplanets have been discovered since then, ye

发表于:2018-12-24 / 阅读(161) / 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. Usually, we trust common sense to solve problems. Is a runny mixture too thick? Add some fluid. Thatll make it runnier. Except when the fluid makes it th

发表于:2018-12-24 / 阅读(174) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? It took until about 1800 or 1825 to put the first billion people on the planet. We added the most recent billion in 12 or 13 years. We anticipate two billion more by 205

发表于:2018-12-24 / 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. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

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This is Scientific American sixty seconds science. I am cythina Graber. This will just take a minute. You are lying in a hammock by a breezy shore. The hammock rocks softly back and forth.in no time. It turns out that not just the relaxation of being

发表于:2018-12-24 / 阅读(171) / 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. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a

发表于:2018-12-24 / 阅读(210) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Birds and sea turtles can migrate thousands of miles, by reading the Earth's magnetic cues. But we too might have magnetic sensing abilitiesin our eyes. So say

发表于:2018-12-24 / 阅读(140) / 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. In 1930 astronomer Clyde Tombaugh discovered the dwarf planet Pluto while looking at photographs of the night sky. Pluto was the first object to be found

发表于:2018-12-24 / 阅读(138) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky at the Lindau Nobel Laureate Meeting in Lindau Germany.This will just take a little more time than our usual minute. Oliver Smithies won the Nobel Prize in Physiology or Medicine in 20

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky at the Lindau Nobel Laureate Meeting in Lindau Germany.This will just take a little more time than our usual minute. Harold Kroto won the Nobel Prize in Chemistry in 1996 for the disco

发表于:2018-12-24 / 阅读(185) / 评论(0) 分类 未知分类

You are opening ceremony of the London Nobel Loyal meeting included the panel discussion on global health featuring Bill Gates. Yeah, this is to say about Obama research funding priorities. Virtually, for the disease serve the rich, aha, it basic mai

发表于:2018-12-24 / 阅读(162) / 评论(0) 分类 未知分类

At the Lindau Nobel Laureate meeting in Lindau Germany, this will just take a little time than a usual minute. Edmond Fischer won the Nobel Prize in Physiology or Medicine in 1992 for his discoveries with Edwin Krebs about the way protein get activat

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 未知分类

According to a variety of studies my languages may be providing mental benefits beyond the ability to chat with locals when I travel. Judith Kroll, from Penn State University, discussed findings from a number of her labs papers on February 18th at a

发表于:2018-12-24 / 阅读(156) / 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. Princess Ahmose-Meryet-Amon enjoyed a privileged lifestyle in what is now Luxor about 3,500 years ago. But she may not have been a happy princess towar

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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Its graduation season. And some scientists got to wondering whether the folks who shake hundreds of hands while passing out diplomas run the risk of coming

发表于:2018-12-24 / 阅读(156) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Whether it's for streaming Netflix or sharing files, we're gobbling up more and more dataand we want it faster. But even shooting data with lasers over fiber-o

发表于:2018-12-24 / 阅读(206) / 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. A jumping cockroach. A glowing mushroom. And a leech that has teeth. These are three of scientists' picks for the Top Ten New Species described in 2010.

发表于:2018-12-24 / 阅读(157) / 评论(0) 分类 未知分类

A jumping cockcroach, a glowing mushroom and a leech that has teeth. These are the three of scientists picks for the big top ten new species decribed in 2010. The list is dissembled by the international institute for species exploration at Arizona St

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 未知分类
学英语单词
a coruna (corunna)
a jimmy
absolute system of measurement
accidental omission
ambassis interrupta
ammonia leak test
anemonella thalictroidess
ante morten
ascertainable
balanced transmission line
base diffusive layer
bathroomlike
blank pipe
Bobota
brachium quadrigeminum superius
Bulbophyllum sphaericum
bulk cement barge
chitinivorous bacterium
clearing plug
coastal defense
complete transposition of great blood vessels
confidential code message
construction of platform
contrafocal
crinial
crognet
croppest
crossfield pit pair
dead track register
dimethylarsinic acid
dopeier
double nelson
european quaking aspens
evergreen states
far-east olympic game
fatigue of a photochromic system
field press censorships
film of oil
fluotrimazole
free-radical chemistry
fruit thinning chemical
help is on the way
highest level
hinge gap
Hintikka sets
horn-blowing
hot weld encapsulation
ice crystal fog
intellectual aura
interdisciplinary economics
irradiated flavo(u)r
ischemic colitis
Kaibab Indian Reservation
kinaesthetic impulse
laughing stock
light benzol
locking button
lose our balance
Lünzen
Mefsoukh, Oglat
mesotaurodontism
Milton-Freewater
mineralization of U-Hg type
mirror isobar
nonpropagating crack
operation area
overextends
parented
Petra Pervogo, Khrebet
phakocele
Piana, I.
pinch assembly
plant sterol
prepurchase search
PSW (program status word)
quest-
reset current
resistance to ripping
restlessnesses
resturer
rushmores
safety destructor
SAP Planned Delivery Time
sing sb.'s praises
spherical-shell hydrophone
stenoproct
supposal
tellurhydric acid
thermal-conductivity gas analyzer
Tioyo
to coin
toco-
torn to pieces
trailer nozzle
tripus coeliacus
tylosis palmaris et plantaris
unable to reproduce
unappreciable
unpucker
vibrating absorber
wirehair
X-ray photoelectron spectrometry