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(223) / 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(237) / 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(253) / 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(227) / 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(228) / 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

发表于:2019-01-08 / 阅读(230) / 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 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(233) / 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

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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(276) / 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(298) / 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(227) / 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(245) / 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

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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(257) / 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

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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(199) / 评论(0) 分类 未知分类
学英语单词
above reproach
acanthellas
accelerated fermentation
account sales ledger
agricultural pollutant
al-idrisi
Antarcticans
Apyauk
autocorrelation spectrum
auxano-
availavility
Bauhausians
body packer
budd l.
calyx-lobe
Carlux
cell liquor head tank
Celtist
chimney-pots
concentric flattened strand wire rope
crew flight time
dynamic route allocation
e & e.o.
electrical code
electron configuration
face-loading equipment
fifteen-years
foamies
freedom of motion
get in the swing of things
guided missile frigates
Haib
hold someone in derision
immunotoxicologists
incapacity
indrawn
industrial investment
interiority
internet-only
iran-iraq wars
Juillac
kahikatoa
Körperich
labial tumor
leaf opened stage
Lindley.
linearity correction circuit
literary pirate
locked push button
made a name for herself
maidenkin
mediacentric
microseepages
MIDI messages
neoza
net positive suction head required for pump
Nethead
netted melon
nonsingular network
nonvotes
Novo Aripuanā
open in dark room
panoramic screen
petroleum reservoir engineering
pheromone biosynthetic activating neuropeptide
Phi Betes
picofarad per meter
PMD (post mortem dump)
polyaxially
post-plotting
prairie wagon
psychoactivator
regenerative heat exchanger
reticulite
retrig
rhetorical act
rigmaroles
Rocky River
Santals
Shalkar
sheath bonding
shmucks
slantendicular
sleep-time
steam boiler
strait-jackets
strobiles
strontium metavanadate
syston
t-like statistic
tail pointer
tetrachlorvinphos
Torfufell
training
treson
tuned reed frequency meter
two sexes
undergroundhorizontal control survey
unit cube
unnes
vulcanization accelerator ZDMC
yellow bristlegrass