[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(397) / 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(439) / 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(441) / 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(329) / 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(323) / 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(344) / 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(429) / 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(327) / 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(337) / 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(424) / 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(484) / 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(333) / 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(382) / 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(405) / 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(321) / 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(368) / 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(304) / 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(363) / 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(372) / 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(356) / 评论(0) 分类 阅读空间
学英语单词
acculturated
air-suspension encapsulation
anterior fontanel
australian kingdom
brake unit
busers
caelops frithi
cancer risk
chorioretinopathy
chris everts
closed neighborhood
coding theorem
coinage of the brain
conolly
cross entry
crowleys
current input stream pointer
current profit
dances of automatons
demilune cell
differential settling
disc format
double pulse modulation
dry masonry
earned interests
Esaki
expanded cork
family phytolaccaceaes
fellatio
fibre drag
flood absorption capacity
frog hair
gas concrete
genus lobotess
glene
global namespace
group diffusion
hankering for
high explosives
hybrid monitor
hyperdicrotic
hypoaldosteronism
ingratiators
keratoid
khayr
levant moroccoes
Maholtine fibre
mascarpon,mascherpone
match-ball
matrix retainer
maximum entropy filtering
military base map
mitu
myocardial inflammations
natural period of oscillation
Nautlsan
needlebed
niche marketer
nondrip
noodleburgers
on sb's lips
optical radio communication
order Exocycloida
Oxy-Scrub
Pentatrichomas
photomorphosis
pocket machine
positive likelihood ratio dependence
power-centred
primordial kidney
program-inquiry
quasi-paracomplex
radioactive aerosol monitor
rate standards
rectosigmoiditis
reirrigation
resource (s)
root cooled blade
same frequency repeater
semi-finished inventory
sheetless
single corona charging
soldering and sealing
spiral flower
square law rectification
sweeping
swindells
swine-flu
Taiye Pond
take a fall
tapered ring seal
taryar
to put it simply
toich
triple locomotive
troca
vented-rod type fuel element
vibration proof
weitek
West Nile
wombless
Z-Wave