2011年Scientific American's Six

This is Scientific American's 60-Second Science. I'm Rose Eveleth. Got a minute? Can you tell the difference between a pill and an MM? Can your toddler? Candies and medicine often look similar but confusion between these shiny morsels could be very d

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Used to be if spies wanted to eavesdrop, they planted a bug. These days, it's much easier. Because we all carry potential bugs in our pocketssmartphones. One t

发表于:2018-12-24 / 阅读(222) / 评论(0) 分类 Scientific American(十)月

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(219) / 评论(0) 分类 Scientific American(十)月

You walk into the kitchento grab a wait, why are you coming here again? A new study suggests that yourbrain is not to blame for your confusion about you are doing in the new room,the doorway is. The work in the Quarterly Journal of Experimental Psych

发表于:2018-12-24 / 阅读(219) / 评论(0) 分类 Scientific American(十一)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Nothing says summer like ants. Theyre at your picnics, on your porch, why theres one crawling up your leg right now. Well, now its your chance to turn the

发表于:2018-12-24 / 阅读(297) / 评论(0) 分类 Scientific American(七)月

You, well not you, race through an intersection as the light turns red and then you notice the camera, they got you and a tickets on its way. Well researchers of quantified financial benefit of the cameras in one city turns out its for more than the

发表于:2018-12-24 / 阅读(175) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Antibiotics dont work against viruses, but doctors sometimes give antibiotics to patients who have what turns out to be a viral infection, which adds to

发表于:2018-12-24 / 阅读(254) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? Think humans are at the top of the food chain? Not quite, in parts of Africa. Lions have attacked over 1000 people in Tanzania in the last 20 years. Two thirds o

发表于:2018-12-24 / 阅读(194) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th

发表于:2018-12-24 / 阅读(296) / 评论(0) 分类 Scientific American(七)月

This is Scientific American 60-second Science. I'm Christopher Intagliata. Got a minute? Hey, four eyes. Let playground tongue more accurate when it applied Anableps anableps, a fish related to the garbe. It lives in the blackish water of mangoswan i

发表于:2018-12-24 / 阅读(321) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Medieval armor certainly looks heavy. And now researchers have demonstrated how the protection might have unwittingly put its wearers at a heavy disadvan

发表于:2018-12-24 / 阅读(266) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Handwashing is the best way to avoid spreading infection, according to the CDC. But doctors, nurses and hospital staff wash up less than half as often as they

发表于:2018-12-24 / 阅读(163) / 评论(0) 分类 Scientific American(八)月

More than 16 mammals species like the famous fly squirrel have adapted the ability to sail from tree to tree, thrilling Yes, but what is the evolutionary advantages. One theory suggests gliding saves energy, so researchers test that idea using colugo

发表于:2018-12-24 / 阅读(187) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. This will just take a minute. Pregnant women shouldn't drink. It's become gospel, because of the danger of fetal alcohol spectrum disorder. Alcohol can disturb the normal development

发表于:2018-12-24 / 阅读(291) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Believe it or not, George isnt at home, please leave a message at the beep. So what happens when you cant get George? Some viewers have a tough time. Get out. No, its true

发表于:2018-12-24 / 阅读(163) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. When it comes to handedness, righties rule. And according to a new study, they have for a long time, because even half a million years ago, nine out of 10

发表于:2018-12-24 / 阅读(217) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Most plants capture sunlight. And the results are usually green. Because in photosynthesis, plant chlorophyll uses wavelengths of blue and our sun's ab

发表于:2018-12-24 / 阅读(193) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Take a fire antdon't forget your gloves. Toss it in water, and it'll eventually drown. But throw a group of fire ants into the water, come back the nex

发表于:2018-12-24 / 阅读(195) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Cities have a lot to offer: theater, music, restaurants, birds. Yes, birds. But city birds are not like other birds. Because big cities are inhabited by

发表于:2018-12-24 / 阅读(168) / 评论(0) 分类 Scientific American(四)月

Cities have a lot to offer, theater, music, restaurants, birds...Yes, birds. But city birds are not other birds, because big cities inhabited by birds with big brains, that's according to a study in the Journal Biology Letters. It can take smarts to

发表于:2018-12-24 / 阅读(176) / 评论(0) 分类 Scientific American(四)月
学英语单词
acoustic signalling device
actual (tower) trays
air jet rudder
Amt'aedo
anisotrope
anticipated operational transient without scram
association of hungarian dance artists
bathplug
biogeographical scale
BM (branch on minus)
brachy-bipyramid
business service
capercailzies
cat cracker
Christabel
Couoa cheese
Cs.un.
decimal scaler
dl-laudanosine
drill ship
duck's-bill limpet
Ebstein's anomaly
Edebohls' position
Ethel Cr.
external financing position
floating point arithmatic
foundator
frame slot
gathics
grating coupling
gut-men
Habenaria polytricha
hand fit
hard wired numerical control
has you
heliochromic
high altitude surveillance
hoiles
hondle
honeymooners
identified end
inclinable power press
informedness of search algorithm
insaciable
internal thalamic medullary lamina
jamming margin
jamsostek
kambei
kengo
khabri
Krempexinis
launching of a trial meteorological satellite
liability for light and power
lifting line
light cross section method
Liwungan, Pulau
majority vote
material issuing unit
Mingali
miscoined
mixed delay
mommy tracker
Monfalcone, Cima
multiple virtual storage
multivariate ratio estimate
onward transmission
overbalanced perforation
Plei Bon
Polonnaruwa Dist.
prepnant
Rasputins
reserve estimate
reserve hook
routing problem
rubber matting
scrutiniser
second engineer officer
Semprex
seogun
sequence structure
slight shower of rain
slucy
staged combustion cycle
stellar activity
STSM
subinstructions
super-intelligent
swelling behaviour index
tactical radar and navigation
tadorna ferruginea
tanaoctenia haliaria
Terminalia hainanensis
text justification
tidal flat?
TSH-RF
turret operation and gun firing controls
vacuum junction
variable match unit
Vretstorp
withs
yonglian
Zostera japonica