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(92) / 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(74) / 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(76) / 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(76) / 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

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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(80) / 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(96) / 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(48) / 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(51) / 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(54) / 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(72) / 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

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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(60) / 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(54) / 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

发表于:2018-12-24 / 阅读(61) / 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 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(66) / 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(97) / 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(73) / 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(85) / 评论(0) 分类 未知分类
学英语单词
abdominal respiration
airgaps
Alhadas
amp-hours
ampliphase modulation
annular ligament of digits of stapes
autocad
Beauwelz
benzyl halide
bidirectional drive
black lead first coating anticorrosive
bootilicious
bought day book
BThE
burn ... bridges
card selector
cervical sclerate
cheval-glass
closed set basis
cooperative information system
corporate charter tax
cosies
cost less depreciation
crural interosseous membrane
cytozoa
de-mobbed
decapitation secretion
deep-sea lead
delta gun
double plural
dropline
esophageal smears
exemption clause
extraterrestrial noise
F.1262
fairhursts
famous trademark
flood stage
frill cuts
gallager bound
gelular resin
Hardgrave sandstone
hold lantern
holdoffs
hollow cathode deposition
hopper-type rail-form concrete paver
infundibular, infundibulate
integrative social contracts theory
isotonic diluent
javalinas
justification bit
life masks
longitudinal phase space
lovingkindness
luff round
major conversion contract
marketing cost control by product
menses
Moquegua, R.
mor.
moving line
National Maritime Union of America
natural language and literature
netegrity
new frontiers
oopodeus
optimum operation
oversensitivity
paint naphtha
pant-wetting
plain seam
pneumatic measurement
pyramidal balance
quakebuttock
qualitative control for heat supply
Quelite
range of function
re-show
rotavator
Rubus ichangensis
Scarba
schwarzer zeolith
segment search
semotactically
shaft of chelicera
shinny 1,shinnied
smooth tread tyre
sound pressure spectrum
suplexing
supracrustal
taken the knock
tergiant
thyminic acid
Tomb Sweeping Festival
toxoplasmic
Vindhya Pradesh
wanton exercise of power
warfares
waynesboro
weighted power-sum symmetric function
xdcr