[地名] [美国] 布什威克

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? West Nile virus first appeared in North America in 1999. And it quickly moved across the continent. Now a study has pinned the proliferation on a particular culprit:

发表于:2018-12-24 / 阅读(559) / 评论(0) 分类 Scientific American(十)月

This is Scientific Americans 60-second science, Im Sophie Bushwick. Got a minute? To vocalize, animals create sound waves in the pipeline vocal checks. Shorter pipes produce higher frequency sounds, so smallest animals like the cuddly koala should ha

发表于:2018-12-24 / 阅读(576) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? The shortest distance between two points may be a straight line, but try telling that to electrons: when current flows down a wire, these particles zig and zag, movin

发表于:2018-12-24 / 阅读(603) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's Sixty Seconds Science. I'm Sophie Bushwick. Got a minute? To monitor the biodiversity of the freshwater habitat, you could compare by the water and count the rare wildlife. Or you could just scoop up a cup of water. A ne

发表于:2018-12-24 / 阅读(464) / 评论(0) 分类 Scientific American(十二)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(485) / 评论(0) 分类 Scientific American(四)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(506) / 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(609) / 评论(0) 分类 Scientific American(一)月

This is Scientific American 60 second Science, I am Sophie Bushwick, got a minute? Does your puppy turn his nose up at his own chowbecause he wants some of whatever it is that youre having? A new study finds that, when it comes to food, dogs recogniz

发表于:2018-12-24 / 阅读(476) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 second Science, I'm Sophie Bushwick, got a minute In the lab, female rodents sometimes terminate their pregnancies after being exposed to new males. Its called the Bruce effect, for researcher Hilda Bruce. Now a study i

发表于:2018-12-24 / 阅读(461) / 评论(0) 分类 Scientific American(二)月

This is Scientific American 60 second Science, I am Sophie Bushwick, Got a minute~ Opera and classical music can relax you and maybe your immune system, if results with mice extend to us. Because mice that got heart transplants and who listened to op

发表于:2018-12-24 / 阅读(575) / 评论(0) 分类 Scientific American(三)月

Does your puppy turn his nose up at his own chowbecause he wants some of whatever it is that youre having? A new study finds that, when it comes to food, dogs recognize human social signals about what's good. The work is in the journal Public Library

发表于:2018-12-24 / 阅读(632) / 评论(0) 分类 Scientific American(四)月

Can you tell the difference between Modern Violin and Tecra craft by Italian masters .Don't feel so bad, expert players can't do it either. In double blind test, 21 experienced violinists unable to tell difference between rare old instruments and new

发表于:2018-12-24 / 阅读(485) / 评论(0) 分类 Scientific American(一)月

This is Scientific American's 60-Second Science. I'm Sophie Bushwick. Got a minute? When it came to surviving freezing weather, mammoths relied on more than their woolly coats: even their blood was specially adapted to let them thrive in chilly clime

发表于:2019-01-08 / 阅读(524) / 评论(0) 分类 Scientific American(九)月

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr

发表于:2019-01-08 / 阅读(575) / 评论(0) 分类 Scientific American(八)月

This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a minute? The carbon molecule known as a buckyball, a member of the fullerene family, can act as a cage for a variety of other chemicals. And now researchers have used one to tra

发表于:2019-01-08 / 阅读(482) / 评论(0) 分类 Scientific American(八)月

This is Scientific American 60 Second Science, I am Sophie Bushwick, got a minute? Is the attempt to make environmentally friendly roadways doomed to wind up in the toilet? Actually, it may be the other way around. To earn a green certification, the

发表于:2019-01-08 / 阅读(509) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 second Science, I'm Sophie Bushwick, got a minute~ Fruit and veggies dont just improve your dietthey could enhance your looks. A new study, done with primarily Caucasian subjects, finds that eating produce heightens red

发表于:2019-01-08 / 阅读(480) / 评论(0) 分类 Scientific American(三)月

This is Scientific American 60 Second Science, I am Sophie Bushwick, got a minute? Typing can be tough for your handsbut can it also mess with your head? Researchers have discovered that words typed on the right side of a QWERTY keyboard, for example

发表于:2019-01-08 / 阅读(543) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60 second Science. I'm Sophie Bushwick. Got a minute. Champane, do you drink it out the narrow flute or the the broader, more shallow coupe ? You may notice that your perception of the buble wine chaneled gas escaped from

发表于:2019-01-08 / 阅读(532) / 评论(0) 分类 Scientific American(二)月

Once they reach a certain age, lots of women find motherhood exhausting, but not Brooklyn-based Nina Keneally. The 63-year-old still has lots of mothering skills that shes actually more than happy to rent out through a unique service called NeedAMom.

发表于:2019-01-30 / 阅读(486) / 评论(0) 分类 阅读空间
学英语单词
automatic computer telex system
Berdyaev, Nikolai Aleksandrovich
bread puddings
Brillouin scattering
cactus needle
cardanolides
Central Asia
central pest slewing ring
chaetoceros dichaeta
Charles Goodyear
cotton-top
craterium reticulatum
cytomorphometrics
deformed development
denasal
detailed estimate norm
dissolve gas drive
dreyerite
driving-trailer
dulids
Duntzenheim
ear removing
Easter dues
economic convergence
electronical digital computer
floor-to-ceiling window
flow of work
fog signal station
ftsa
gas dynamics of cosmic clouds
generic products
gluteus minimuss
golf arm
grey's
gyroaxle
hailcut
hard rock gorge
heat pump air conditioner
heneicosanoic
houseloads
inch-ounce
Institute of Welding
interglass
interrenal glands
ion-images
IRRESP
junge model
Khon Kaen, Changwat
kurlands
lambis lambis
landingplace
laterite type of soil formation
lay their hands on
love-philters
lynds
malhotras
mattoir
maydan
minimikes
multi-handicapped
natrition nuclei
Nazification
non-degenerative basic feasible solution
open-circuit indicator
out of the range of
per tubam
peripheral command indicator
pneumatotectic(pneumotectic)
pulmonary tuberculosis
pyramis ossis temporatis
rains down
rappeled
reverse mould
rosin size cooking kettle
scope of authority
secondary gamma ray
self attribution
service failure
short head
shunt regulated amplifier
slam the door
snipe fly
soundhole
spindleberry trees
Sporophyta
spring out
stealth technique
supply constraints
taxane
teachers' guild
the cure is worse than the disease
tin star
total program package
TRACHINIDAE
tree injector
UCCRL
van de Graf generator
vary linear model
vietnamese
warmedup
win out over
yttroalumite