Scientific American's Sixty

This is Scientific Americans 60-second Science, Im Cynthia Graber. This will just take a minute. I still tend to move my fingers almost subconsciously when doing arithmetic. Well, that might be not so strange according to research published in the Ma

发表于:2019-01-08 / 阅读(200) / 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. If you get a scratch, your skin can heal itself. But if your car gets scratched, it stays scratched. Scientists at the University of Southern Mississip

发表于:2019-01-08 / 阅读(216) / 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. On March 11th, Interior Secretary Ken Salazar called for a moonshot for energy independence. Hes set up a task force to look into the large-scale product

发表于:2019-01-08 / 阅读(226) / 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. People get malaria from Anopheles mosquitoes that themselves are infected with a protozoan parasite called Plasmodium. The mosquitoes do have immune sy

发表于:2019-01-08 / 阅读(209) / 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. Seventy percent of all antibiotics in this country go to livestock like pigs and chickens. And concern is growing about drug-resistant bacteria that sp

发表于:2019-01-08 / 阅读(201) / 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. Imagine antibiotics that would never lose their punch. New research focuses on drugs that bacteria simply cant resist. Most antibiotics work by killing p

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The common method of closing a surgical incision is simply to stitch the patient up. There are some issues, though. Good stitching can be challenging,

发表于:2019-01-08 / 阅读(202) / 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. We can get viruses from the Internet. But can we catch viruses on our cell phones? A new study in the journal Science says yes, but the spread of such ma

发表于:2019-01-08 / 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. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(244) / 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. The heart-stopping news from Stockholm is that the heart never stopsgrowing, that is. Because researchers have shown that the human heart continues to pr

发表于:2019-01-08 / 阅读(277) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science, I'm Christie Nicholson. Got a minute? If youve spoken to anyone in New York City, where Scientific Americans offices are, then youve heard about the rain, every day since mid-June. Still, were not in t

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Thrill-seeking stunt pilots spend years learning to perform maneuvers that birds and bees know how to do from birth. Now a new study in the journal Scien

发表于:2019-01-08 / 阅读(206) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Christie Nicholson . Got a minute? Altruism poses a problem for the theory of survival of the fittest. If we help others at a cost to ourselves, nice-guy behavior should die out, because we are giv

发表于:2019-01-08 / 阅读(220) / 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. It's April 15th. Like many people around the country, you might be feeling your blood pressure rise as you deal with everyone's favorite activityfiling

发表于:2019-01-08 / 阅读(217) / 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. Hard-training athletes boost their performance with a variety of popular sports drinks. These drinks do work. But not in the way youd think. Thats acco

发表于:2019-01-08 / 阅读(233) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? At Antarcticas Blood Falls, the ice is stained red by ancient, iron-rich water pouring out of subglacial lakes formed millions of years ago. The cascading water is e

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This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The new Yankee Stadium has opened in the Bronx. I went to a game Saturday, and its a much friendlier place for anyone trying to eat healthfully and maintain some envir

发表于:2019-01-08 / 阅读(199) / 评论(0) 分类 未知分类

This is Scientific Americans 60-second Science. Im Steve Mirsky.Got a minute? The US Consumer Product Safety Commission and DND Imports of Los Angeles recently announced a voluntary recall of something called the dinosaur Era Two Hunting Dinosaur Pla

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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Climate change is the great environmental challenge facing the world today, but maybe we should start calling it Climates Change. Because scientists who've

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This is Scientific Americans 60-second Science. I am Karen Hopkin. This will just take a minute. Some names never seem to go out of style, like David or Emily. Some never really catch on. Not many girls are named Laurel, even fewer are named Lauryl S

发表于:2019-01-08 / 阅读(177) / 评论(0) 分类 未知分类
学英语单词
a rubber
A. C. M. S.
academic circles
accordance circuit
Aconitum cannabifolium
ahaggar mts.
antimaterial weapon
asterisk for cross section of array
automatic distant signal
befret
Brassica oleracea botrytis
brearley
bubble type level
capillarisin
catalyse
chloroacetic acid
claw-backs
container handled
copper strip
Danaubangko, Sungai
defy sb to do
dehaemoglobinised
disease of nail-root
dissenteries
dual cellular subdivision
dualpressure
etiologists
extended security control
family Lampyridae
fast-forwardings
fazarabine
fluoridises
foreshank
forge chimney
furzery
genus Geococcyx
good faith exception
Hagwangiong-ni
hasty defences
hemadsorption test
hohfeld
Humboldt current
hyposomatotropinism
Ibeya
interest group model
interference measuring apparatus
interstellar mediums
kick yourself
kisler
Koper
labelable
lavinias
lesser palatine canal
listlessly
mawa
meadow green
medium-long
metapneustic respiratory system
micro-element fertilizer
migmatism
milled finishing
musculus japonica
Neoestrole
nondissected
nonlinear optics
nonpotentiality
orographic winds
overhang eaves
particle in suspension
plankton volume indicator
playdate
plesiochronous communication
polarization of electromagnetic wave
polebridge
preferred acceptable quality level
premarins
prematch
proflavine sulfate
pulse subcarrier
record of discussions
restagnated
sea brine
selection measurement
shallow freezing
shock-free flow
silk-woman
spiderdom
split cameras
standard chi-square test
standard of average social labo(u)r consumption
streusels
stuthes
Sulu, Mt.
surf-rider
technopoleis
Thiopedia
thought leadership
throttle lever connection
transplant experiment
unaided viewing
write once-read many
zinc iodide