2008年Scientific American's Six

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? We live in a nice neighborhood. Of the galaxy, that is. The sun is about halfway toward the outer edge of the Milky Way. But the sun may have migrated vast distances t

发表于:2018-12-24 / 阅读(205) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Breaking a mirror means seven years bad luck. So does spilling salt or meeting a black cat. Weve all heard such silly-sounding superstitions. Of course w

发表于:2018-12-24 / 阅读(203) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conditions such as mad cow disease are caused by abnormally shaped proteins, called prions. Prions spread by causing other, normal proteins to misfold

发表于:2018-12-24 / 阅读(174) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. this will just take a minute. Weve all heard of the fight to combat malaria in mostly poor, tropical countries. But a whole host of other tropical diseases exist that leave their vi

发表于:2018-12-24 / 阅读(182) / 评论(0) 分类 Scientific American(九)月

This is Scientific American 60-second Science. I am Steve Mirsky. Got a few minutes? Today we have a special edition featuring a brief interview with Scientific Americans Larry Greenemeier. So, Larry, whos..whos the fan of our video right now? Well a

发表于:2018-12-24 / 阅读(240) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science, I am Adam Hinterthuer. Got a minute? Laundry detergents and air fresheners have long promised to keep your house and clothes smelling sunshine fresh and rain shower clean. But what they haven't said is

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Some people never forget a face. Others never forget a flu. Even if they were infected more than 90 years ago. A team of American scientists studied 32 p

发表于:2018-12-24 / 阅读(226) / 评论(0) 分类 Scientific American(八)月

Darwin's fabled isles, the Galapagos, are in need of a makeover. And removing invasive species of plants tops the to-do list for the islands restoration. But six species that were set to be exterminated have gotten a reprieve. Because a new study fin

发表于:2018-12-24 / 阅读(234) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Electronics come in all shapes and sizesbut theres been a limit on their flexibility. Now, researchers say theyve created electronics that can be shape

发表于:2018-12-24 / 阅读(251) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Its called the broken windows theory and it says that in a neighborhood where buildings have broken windows, people are more likely to engage in bad beha

发表于:2018-12-24 / 阅读(226) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The jury is still out on the relationship between cell phone use and brain tumors. But the American Association of Neurological Surgeons has issued a statement to remi

发表于:2018-12-24 / 阅读(236) / 评论(0) 分类 Scientific American(十一)月

This podcast is brought to you by the American Chemical Society. The global challenges chemistry solutions podcast from ACS discusses how chemistry researchers critical in solving some of the world's most daunting problems, concerning energy, food an

发表于:2018-12-24 / 阅读(182) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans Sixty-Second-Science, Im Karen Hopkin, this will just take a minute. Everybody loves your freeby, especially those samples you get at the doctors office with the latest greatest brand-name cures for your headache, or your

发表于:2018-12-24 / 阅读(200) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The most common natural disaster in the U.S. is flash flooding, which usually hits out of the not clear blue sky. Now researchers are trying to establish an early warn

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The plague is most famous for killing tens of millions of people all over Europe in the 1300s. Plague is caused by the bacteria Yersinia pestis. And th

发表于:2018-12-24 / 阅读(225) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If youve ever gotten sucked into a bidding war on eBay, you know the feeling. With one minute left in the auction, the bidding is fast and furious as eve

发表于:2018-12-24 / 阅读(206) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest

发表于:2018-12-24 / 阅读(218) / 评论(0) 分类 Scientific American(九)月

This is Scientific Americans Sixty Seconds Science. Im Steve Mirsky. Got a minute? Youve no doubt heard that grapefruit juice can greatly increase the effects of some drugs. Even to a dangerous degree. Pharmacologist David Bailey made that discovery

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This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. A trip to the emergency room is usually traumatic. It has to be. Why else would you be going? But new research shows that it also tends to be confusing. S

发表于:2018-12-24 / 阅读(188) / 评论(0) 分类 Scientific American(八)月

This scientific Americans 60-second science, Im Steve Mirsky. Got a minute? One of the drawbacks to attending a sporting event can be the boorish behavior of some fans who have pounded down the brewskies. Now comes a study that finds that three quart

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(八)月
学英语单词
'Azīz, Bi'r
2-iodoethyl alcohol
Abbiategrasso
adrenocortical disorder
ageing of a magnete
aikenhead
albumenization
alcuna
anikin
anomalous scattering
anti-apartheidists
antiaccumulation
antisexualists
ariosoma meeki
arsenite
availability time reserve shutdown
backsheet
bakeout jacket
baloncesto
Brailey's operation
buddingtonite
bugduster
canopy actuating cylinder
ceramic nozzle
charleries
Circassia
colo(u)r fastness
come into service
construction timber for earth-work
crayer
create task
cross strut
crude oil storage tank
denitrate
deviation area
dry photography
duplicates elimination
Effectual call
eliminating evil
enwheels
Evelyn Arthur Saint John Waugh
evolution mass
fakirism
friction-reducing
frontomalar suture
fusion phenomenon
gas-turbine unit
gastric anadenia
gradualistic
handwritten manuscript
hcb
high-tones
Hycobal
implank
inhibitory state
intelligence amplification
light freezing
lower extreme point
Magati Ke
magnetic profile
make sb. open his eyes
masseter reflex
micro-organisms
microscopic observation
mixing period
N-Isopropylatropine
neutral position of brush
nonregistered
nymphettes
onward(s)
outdure
overhead cam
parpens
pectoral fin
person under age
physcony
Pied Piper (of Hamelin)
pig dog
Poiseuille-Hartman flow
preproposals
proscribers
protected membrane roof
pyrazoloacridine
radar display presentation
recalcination
ruvetto
selfdual
sensitivity to contamination
slow sand filter
trance dancer
Trichosanthes
twin-row
two-phase sampling
ultra thermostat
uniaxial oriented film
unrelentingly
Vic.
VOD
water-violets
wave rose
wheat pasture poisoning