Scientific American's Sixty

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(159) / 评论(0) 分类 未知分类

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(223) / 评论(0) 分类 未知分类

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(177) / 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. 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(254) / 评论(0) 分类 未知分类

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(290) / 评论(0) 分类 未知分类

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(233) / 评论(0) 分类 未知分类

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(143) / 评论(0) 分类 未知分类

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(176) / 评论(0) 分类 未知分类

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(259) / 评论(0) 分类 未知分类

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(141) / 评论(0) 分类 未知分类

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(193) / 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. 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(163) / 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. 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(163) / 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. 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(152) / 评论(0) 分类 未知分类

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(151) / 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. It can be tough to keep up with dietary trends. Like eating eggs: good for you or bad? But one thing is certain. Taking a multivitamin is a healthy choic

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

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. X rays are so common today you probably never stop to think about them. They help check a broken wrist, a sprained ankle, the state of our teeth. But a l

发表于:2018-12-24 / 阅读(176) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. We see it all the time on shows like Bones and CSI: skeletal remains can yield all sorts of cluesgender, age, past physical traumas, but not the persons

发表于:2018-12-24 / 阅读(177) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? It's been more than a decade since the human genome was published. And some critics have wondered where the promised medical applications are. Well, a review article in

发表于:2018-12-24 / 阅读(179) / 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. Airplane manufacturers have been changing over from aluminum to advanced composite materials. These lighter, stronger composites are made of fibers of

发表于:2018-12-24 / 阅读(204) / 评论(0) 分类 未知分类
学英语单词
actual spoilage
amaya
Anemone elongata
barbituates
Bischler-Napieralski synthesis
biskin
Budayyi'ah
Budon
Cernik
chissell
cloudseeding
coffee bean
coil a rope with the sun
commission receivable
concomitant appendicitis
crown ratio
definitive measurement
diffraction symmetry
dispatcher's supervision board
displacement deviation scanning
dry cargo tramp
elerwind
engage at will
espce
estate-agency
excipulum
Fast Blue BB base
fastness to nitrogen oxides
fees
fern palm
field overhead
fizzium
funnish
go down to the shade
have one's eye upon
herrald
heterodons
high energy varistor
high-speed locomotive
individual ownership
intracontinental basin
inverted follicular keratosis
iodyrite
laser signal
latches onto
leucogabbros
limonites
macronarian
mahogony (mahogany)
main coil current
manic depressives
maros (mures)
microprogram storage
mittan
mr clean
multi-product analysis
N-(3-aminopropyl)-butane-1,4-diamine
Nive R.
nonresponders
oares
odfw
omission of shipper
on a charge of
otterlike
overhang bracket
own-pricest
parlatoria pergandei comstock
Pecteilis radiata
Pedicularis kangtingensis
phaneritic
polarchy
pregastrulation
procreant
product modification
prt disable mode
read after write delay
reading time
rebate bead
replead
republishes
reusful
rock-candy fracture
Ruanda(Rwanda)
sand moulding process
sea-pass
snail bean
special operational policy measures
subject of point
supply of technical information agreement
syncopators
syncytial layer
test alphabetic
the abandoned character
three dimensional array
thumb through the records of
Tomobe
travelling chain oven
unambiguously
Urziceni
venous-stasis wave
well-stricken
whole colored