2012年Scientific American's Six

Every time you inhale, oxygen passes from your windpipe to your lungs and on into your bloodstream. But what if your windpipe was blocked? Getting the gas straight to your blood could save your life. Wait, put down that syringea large air bubble in a

发表于:2018-12-24 / 阅读(175) / 评论(0) 分类 Scientific American(六)月

For many people summer equals tomatoes. Thats when folks can get their hands on gorgeous heirloom and traditional varieties, full of tomatoey flavor. Such tomatoes provide a stark contrast to year-round supermarket ones, famous for tasting like, well

发表于:2018-12-24 / 阅读(162) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute? You know what fiber's good forto keep things moving smoothly downstairs. But it's not just for staying regular. Fiber can boost the number of beneficial bacter

发表于:2018-12-24 / 阅读(260) / 评论(0) 分类 Scientific American(六)月

Stockbrokers are some of the highest paid sales workers in the country. But they also have one of the largest gender pay gaps in sales jobsdata from the mid 90s show that women made 20 percent less than men. But stockbrokers are usually paid through

发表于:2018-12-24 / 阅读(160) / 评论(0) 分类 Scientific American(五)月

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(234) / 评论(0) 分类 Scientific American(一)月

If you could add cells anywhere in your body, you might pick your brain. More brain cells should make you smarter, right? Well, a new study shows that they might just make you fatter. Becauseanimals that make new nerve cells in a brain region that co

发表于:2018-12-24 / 阅读(155) / 评论(0) 分类 Scientific American(五)月

This is scientific Americans 60 second science, I am Sophie Bushwick. got a minute. Tens of millions of years ago, cephalopods were hiding from their enemies in clouds of ink. And it turns out that cuttlefish today produce ink thats almost identical.

发表于:2018-12-24 / 阅读(167) / 评论(0) 分类 Scientific American(五)月

This is scientific American's 60 seconds science. I'm Sophie Bushwick, got a minute. Tens of millions of years ago, cephalopods were hiding from enemies in clouds of ink. And it turns out thatcuttlefish today producing ink that's almost identical. Re

发表于:2018-12-24 / 阅读(153) / 评论(0) 分类 Scientific American(五)月

This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute? You see a guy walking a pit bull with a studded collar. What's your first thought?: tough guy, right? Well, probably. But chances are he's a conscientious, rul

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 Scientific American(五)月

This is Scientific Americans 60 second Science, I am Christopher Intagliata, got a minute? You've probably seen clouds of insects swirling round a streetlamp at night. But something you may not have noticed is that streetlights attract bugs to the gr

发表于:2018-12-24 / 阅读(183) / 评论(0) 分类 Scientific American(五)月

Say Wilbur, get a load of this story. If you grew up in the '60s, you probably recognize the voice of Mr. Ed, TVs talking horse. And it turns out, he might recognize your voice, too. A new study shows that even non-talking horses can tell individual

发表于:2018-12-24 / 阅读(167) / 评论(0) 分类 Scientific American(五)月

As it ages, white paper turns distinctive of yellow, but why? To find out, scientists artificially aged modern paper to rebuild the changes on the molecular level, the researchers in the Journal physical review of letters, for 48 days, 3 unpleached p

发表于:2018-12-24 / 阅读(179) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 Second Science, I am Sophie Bushwick, go a minute? Its tough to pick a familiar face out of a crowdbut focusing on a known voice in a noisy room is easy. And a new study scanned volunteers brains to look at how we solve

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60 Second Science, I am Cynthia Graber, this will just take a minute~ Want to suss out the existence of a shy mammal in a tropical jungle? Just check a bloodsucking leech. Scientists estimate that about a quarter of the w

发表于:2018-12-24 / 阅读(235) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60 second Science, I am Sophie Bushwick, Got a minute? Music, film and video game makes face a new online, digital world. And some are testing a revolutionary pricing system: pay what you want. But a new study finds that

发表于:2018-12-24 / 阅读(147) / 评论(0) 分类 Scientific American(四)月

Its a confusing world for babies. To make sense of it, they look for intellectual stimulation. But theyre only interested if what they look at is not too hard to comprehendor boringly easy. Researchers call it the Goldilocks effect, in a study in the

发表于:2018-12-24 / 阅读(133) / 评论(0) 分类 Scientific American(五)月

We've all heard exercise is good for your physical and mental wellbeing. But a good workout can actually influence the mental wellbeing of others, too. Because bosses who hit the gym tend to be less abusive to their employees. That's according to a s

发表于:2018-12-24 / 阅读(238) / 评论(0) 分类 Scientific American(一)月

Algae naturally produce oil, when its process start with oil turned into bio fuels, an alternative energy source. This is just one snag. Harvesting the oil from algae-float water is prohibitively expensive. But researchers have come up with an effort

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(一)月

picture in orange it's a case in biology grazable heart shaw. the pill's even some addable as moraly as far as he can task. but we human often pack it food and plastic with it's environmental and the puzzle chanlenges. so Harvard scientist D-A and K

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 Scientific American(一)月

To a female orb web spider, a suitable male can look like a mate and meal. For these spiders, the dating game has turned into a deadly dance of evolutionary one. the female spiders can choose when to cut off their relations by eating her partner or k

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(一)月
学英语单词
.dbx
a small flying insect
absorber bore
acute upper gastrointestinal hemorrhage
al-hudaydahs
alefacept
aluminium oxide
antifouling toxin
auri-argentiferous vein
auto-suggest
azzopardi
Ban Non Phung
BBoy
be displeased with
bernabeau
Bortigali
Brehmer's treatment
bundle of tubes
burreau
by the time
calcium tungstate
cap cscrew
case-oriented
channel command word buffer
co-feoffee
cornerite
cornu sacrale
crack fic
ctenostylid
cuckows
current hogging logic
Demetrius Of Phaleron
despatch half demurrage
double chain condition
double strength fertilizer
dynamics of adjustment
Dynazina
end wire winding
equipment installation
exterial
genus Ptilocrinus
graph-based
gratuitous guest
Grodzisk
holans
Igbira
in a good mood
infrared wave number calibration
input energy spectrum
interfriction
Jungingen
Kosandji
locally cached copy
macro assembler facility
marchandise
microcalthrops
microcomputer network intelligence
Mission Bay
Muarateweh
nannyberries
neck of malleus
Omega Seven
optical time division multiplexing
outslug
over cut
petroleum processing of
phonograph pick up
polysulphide
pot-making
profit distribution quota
protoplasmic rotation
rapana venosa venosa
record key clause
red ale
return information
rigid flask
rinse down
roentgenodiagnosis
scintillator liquid
seatlike
semipetrified
sheen garbardine
Smale horseshoe
sorogenic
stake someone to something
stuff with
synaptopodin
syncytium
tapered hand tap
tebbe
technical-services
the great charters
track and field meets
transverse shift
trevarren
unhumorous
vertical edging roll
water turbine oil
weather vehicle
westerly wave
wirewaters
WSE