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(107) / 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(81) / 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(75) / 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(92) / 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(108) / 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(91) / 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(112) / 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(114) / 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(133) / 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(116) / 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(128) / 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(82) / 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(98) / 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(85) / 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(87) / 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(93) / 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(103) / 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

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(八)月

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(73) / 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(97) / 评论(0) 分类 Scientific American(八)月
学英语单词
air bearing disk
air inlet pressure stabilizing chamber
alleged
atomic number 6
Axenfeld
azander
bacillogenous
basicoxite
behind the veil
black bag job
blasted off
bounce something around
bulkhead (bhd)
bulwark rail
burst information rate
caravaners
cargo temperature control
Carral
Chapecó, R.
cordss
corpse powder
corpuscular-radiation pressure
cybertherapeutic
deca-ohm
demonstration model
differential range
direct ballottement
entopic
Essequibo R.
exciting advance
F.A.C.P., FACP
familly
fore-vouched
frost shattering
gamma-leakage spectrum (reactor)
glynco
guenon
high power load
ignition equipment
in inverse order
incandesced
internally-specified index
Kalahari Desert
koninklijkes
lanthanides
lepiota gracilenta
low-heels
luminescent crystal
malevesyn
malurid
mastik
Matakaoa Pt.
meniscus injury
middle lamella pectin
Neckar River
nerundine
neuroelectrotherapeutics
New York minute
nonrotating disk
nose-to-nose separation
orchestrions
particle correlation
phyllosticta fragaricola desm.et roberge
pilot hoist
porcelain shells
portee
primitive forest
Priority.
public juristic person
query service
radio set
remedial class
residronate
ressie
rewth
rhythmising
ride roughshod over something
Rodeon
route distribution
rudder house
second stage unit
Sedum dumulosum
selfsamenesses
shake the dust from one's feet
siadz
squall front
steroid
stickiness
stosstruppen
stress in ligaments
teredo
thread cap
thread snake
time-element control
titrimetric analysis
Trunci
uroporphyrin(UP)
us sec
vertical double-diffused mosfets
whelks
wilms's tumor
X-ray resist