2011年Scientific American's Six

Imagine Van Gogh's paintings of yellow sunflowers. Now imagine the flowers brown. Eh, not so good. Sadly, we may someday see what that would look like. Because the bright yellow paints on the canvas are slowly turning muddy. Now, an international tea

发表于:2019-01-08 / 阅读(181) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Remember the Seinfeld where George buys Jon Voights car? Or the one where Elaine bids on JFKs golf clubs? Why would anyone spend money, often a lot of money, on a common o

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Stand at the bottom of a big hill and you can exhaust yourself just thinking about climbing it. But a new study suggests it's not as bad as it looks. Bec

发表于:2019-01-08 / 阅读(240) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. They say that love is blind. And that's probably for the best. Because a new study shows that people who greatly idealize their spouses have the happiest

发表于:2019-01-08 / 阅读(369) / 评论(0) 分类 Scientific American(三)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(188) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola

发表于:2019-01-08 / 阅读(204) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-Second Science.I'm Cynthia Graber . This will just take a minute. (Chirping sound.) That may not sound likemuchbut its the loudest animal in the world. For its size, that is. Theinsect called the water boatman is two m

发表于:2019-01-08 / 阅读(193) / 评论(0) 分类 Scientific American(七)月

Cameras were once big and bulky. Today,really good cameras fit in your pocket. And now, researchers at Cornell havedeveloped a camera thats just a half-millimeter on each side and a hundredthof a millimeter thick. The lens-less device is called a Pla

发表于:2019-01-08 / 阅读(178) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? You've heard of tennis elbow. Well, a friend of mine has gamekeeper's thumb. When he told me his diagnosis, it rang a bell. So I went through the Scientific American arc

发表于:2019-01-08 / 阅读(179) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Obesity is associated with a host of health problems. But a new study finds that obese people may actually have an advantage in a specific medical situation: theyre less l

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? You could think of it as the real dancing with the stars. Two white dwarf stars have been found twirling around each other to make a complete orbit in less than every 13

发表于:2019-01-08 / 阅读(167) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Former major league pitcher Antonio Alfonseca had six fingers on each hand. One of his coaches was once asked about the consequences of Alfonseca having six fingers and re

发表于:2019-01-08 / 阅读(190) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? At the recent Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled that at one institution in the 60s, he saw how informal scientific collaborat

发表于:2019-01-08 / 阅读(263) / 评论(0) 分类 Scientific American(七)月

Plants are sitting ducks for every hungry herbivore that wanders past. But for some greens, a little grazing is the best thing that can happen. They grow back faster and fuller and make more seeds than they would have if left alone. Now scientists kn

发表于:2019-01-08 / 阅读(167) / 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(139) / 评论(0) 分类 Scientific American(八)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Its tough to beat watching a spaceship lift off. But for us audio fans, theres another sequence during launch preparation thats awfully compelling. At 12:18 P.M. Eastern t

发表于:2019-01-08 / 阅读(205) / 评论(0) 分类 Scientific American(八)月

Invasive species get a bad rapbut we humans are usually to blame for their spread. Take Japanese stiltgrass, an invasive that arrived from Asia nearly 100 years ago as a packing material for porcelain. When it creeps into forests, it forms dense carp

发表于:2019-01-08 / 阅读(168) / 评论(0) 分类 Scientific American(八)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(203) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Conventional poultry farms use antibiotics extensively, which contributes to the rise of antibiotic-resistant pathogens. But farms that turn to organic

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Katherine Harmon. Got a minute? Some 50 million Americans 65 and older currently get help from Medicare. But the program doesn't cover all of the patient's medications. After a patient's annual dru

发表于:2019-01-08 / 阅读(220) / 评论(0) 分类 Scientific American(八)月
学英语单词
adenosyls
air lubricating skid bag
alloplastic
amiram
ammonium dihydrogen orthophosphate
anastomotic branch with lacrimal artery
antediluvian patriarches
anthemwise
asymmetrical short-circuit
bank notes
barylalia
billary
boisterousment
cambridge lisp
cargo in sacks
cathode control
cattail pk.
cement screed
certified pipette
chenin blancs
circumambiencies
cold air pocket
conjunctive term
contextive
Currency Certificate
cysticercosis cellulosae
decentralized network
defenestrated
depositional dip
dibranchiatas
E antigen
electromagnetic vibrator knock-out machine
ensconces
epistrophes
extension of market
fall diameter
family triakidaes
Fee-Based Content
frh
g.l
haemal zygapophysis
Herbizole
horticultural
HVPS (high voltage power supply)
interactive data entry
irrigation before seeding
jowse
Kaposi varicelliform eruption
Kāmārgaon
landing gear well
linomats
lithamide
Loeseneriella concinna
looks in
loop alignment error
magic-N nucleus
manual steering force
Mesves-sur-Loire
minority shareholding
multimolar
not care for
ocean mail act
ollness
Opawica L.
oval arch
Pagerdewa
paper and binding sizes
perhydrocaroten
photosensitiser
principle of substitutivity
prospects for investment
pseudo-active
rainiers
Relleu
Risor
romaunts
rupture of plantar fascia
sawkins
sea-squirts
semi-variable capacitor
short-throw
show dog
signums
skewness coefficient
Skraup quinoline synthesis
social welfare decision making
soutage
stage cementing
sulfur-coated urea
supersolidus liquid phase sintering
switching activity
the freezing point
the upper part
theowdom
tissue (paper)
tree rats
turbine tanker
uropore
varying magnetic field
Wassigny
Wilton
Windows servers