Scientific American's Sixty

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. Want to feed a hungry world? According to David Gracer, add bugs to the menu. Gracer is, he says, a normal guy whos also an entomophagist, an advocate fo

发表于:2018-12-24 / 阅读(166) / 评论(0) 分类 未知分类

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(183) / 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. 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(175) / 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. 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(144) / 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. 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(158) / 评论(0) 分类 未知分类

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

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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(164) / 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. 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

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For astronomers who study the large-scale structure of the universe, dwarf galaxies have proven quite vexing. Because the leading model of cosmology has been unable to account for their relative lack of substance. Now scientists writing in the journa

发表于:2018-12-24 / 阅读(178) / 评论(0) 分类 未知分类

Your feet may love running shoes. But what about the rest of your body? New research finds that running shoes actually increase the pressure on ankles, knees and hipsmore than high heels can during walking. Thats according to a study in the Journal o

发表于:2018-12-24 / 阅读(171) / 评论(0) 分类 未知分类

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(183) / 评论(0) 分类 未知分类

You can teach your dog to lie down. But you cant teach him to lie, or to know when youre lying. Because a new report shows that Spot cant spot deception. The studys in the journal Behavioural Processes. Weve all known pooches who run and hide when th

发表于:2018-12-24 / 阅读(217) / 评论(0) 分类 未知分类

Youve heard of waterboarding used as a means to get suspected terrorists to talk. Some people object to such methods on the grounds that they amount to torture. But in the journal Trends in Cognitive Sciences, psychologist Shane OMara of Trinity Coll

发表于:2018-12-24 / 阅读(191) / 评论(0) 分类 未知分类

Scary music plays a key role in ramping up the fear factor in movies. The soundtrack has such an effect that I put my hands over my ears during the most frightening moments. Now researchers at Tel Aviv University report that scary music is even scari

发表于:2018-12-24 / 阅读(193) / 评论(0) 分类 未知分类

We all know that drinking can cloud judgment. Thats why you should never e-mail an ex after youve had a few. But for teenagers, doing dumb things now because of alcohol may be just the start. Because research with animals suggests that drinking durin

发表于:2018-12-24 / 阅读(184) / 评论(0) 分类 未知分类

For all you space buffs who like to keep track of where the water is, it looks like you can add our very own moon to your list. Because according to a trio of papers appearing in the journal Science, the lunar surface is wetter than we realized. Fort

发表于:2018-12-24 / 阅读(151) / 评论(0) 分类 未知分类

Every year, millions of monarch butterflies fly thousands of miles to alight in one specific forest in Mexico. How do they know what direction to flutter? Scientists had thought that an insect GPS system in their brains steered them in the right dire

发表于:2018-12-24 / 阅读(193) / 评论(0) 分类 未知分类

Ever get a ringing in your ears after a loud blast of music on your iPod? Thats one example of the usually temporary condition called tinnitus, the sensation of sound even when no sound is being produced. But a new inventioncreated by high school stu

发表于:2018-12-24 / 阅读(208) / 评论(0) 分类 未知分类

A quiet restaurant. Good wine. An animated conversation. Then, mid-sentence, you catch him steal a quick sideways downward glance at his BlackBerry. And the nickname CrackBerry comes to mind. You might think: for some, the Internet is an addiction. W

发表于:2018-12-24 / 阅读(262) / 评论(0) 分类 未知分类

Believe it or not, depression can be good for your health. Ok, not that kind of depression. An economic depression. According to work published in the Proceedings of the National Academy of Sciences, people actually got healthier during the Great Dep

发表于:2018-12-24 / 阅读(202) / 评论(0) 分类 未知分类
学英语单词
A and W
airtels
alphacillina
antonomastic
arrowline
Ateriastite
beans and bullets shooter
besen
boserup
ceramic bead
channid
Chase,Stuart
cheese powder
ciccio
clear cell carcinoma of ovary
clearing
combined column footing
continuous stirred tank reactor
control connection
corporal wound by mistake
Curses come home to roost
Daniel Morgan
dendroecology
desertion disease
dimens
driving circuit
drop shot
erysipelas medicamentosum
Fermi liquid
ferrie net
Ficus heteromorpha
find amusement in
fine rale
for the same reason
fwend
game changers
gimlet for nail
glass filter mat
government by proxy
grid track
Heptadorm
hereditary phenomenon
in orbit
inactive zone
indirect radioscopy
inoculated cast iron
laryngectomizing
left end
leveling block
lingberries
Liquidambar formosana
machilus ichangensis rehd. et wils
Malta
maniraptorans
masthead sloop
mceuen
measurement category
micropinocytosis
monodermic
mountain grape
moving head disk
negrofying
optocollic
parapenaeus murrayi
Pilatus, Mt.
piots
PMDS
poiner
power-frequency overvoltage
quiverly
rakeback
Ralenta
recrudescing
rectifier phenomena
reduced cat
regulations for railway freight traffic
rehabilitation procedure
Rhus cotinus
romping
roundoff noise effect
Sabinal, Cayo
salutati
Savei
sclerotic fiber
selective hydrogenation catalyst
self-drive car
SMPZ
stenopsyche drakon
supercharger speed
superconducting quantum interference devices
tabular arrays
tachypragia
Thymelaeaceae
time delay de-energizing
tzeentches
unturn
upright of wagon
use without compensation
valeric amide
vistonas (wistonas)
Yarmouth Interglacial Stage
zookeeper