Scientific American's Sixty

This is Scientific Americans 60-second Science. Im Karen Hopkin, This will just take a minute. Have you ever said, I know it like the back of my hand? Well, how well do you know the back of your hand, or the back of your knee, or behind your ears? Pr

发表于:2018-12-24 / 阅读(183) / 评论(0) 分类 未知分类

The toucan's long bill has long perplexed biologists. Darwin theorized that it attracted mates. Other suggested uses ranged from fruit peeling to territorial defense. But a report in the July 24th issue of the journal Science offers another explanati

发表于:2018-12-24 / 阅读(172) / 评论(0) 分类 未知分类

Why did the orangutan cross the forest canopy? Presumably, to reach some tasty fruit. But the better question might be: how did the orangutan cross the forest canopy. And according to a study published in the Proceedings of the National Academy of Sc

发表于:2018-12-24 / 阅读(162) / 评论(0) 分类 未知分类

When Michael Phelps is out of the water, he towers over mere non-Olympic mortals. Then he slips into the pool, and makes record-breaking speed seem effortless. His height, it turns out, is no accident. According to research published in The Journal o

发表于:2018-12-24 / 阅读(233) / 评论(0) 分类 未知分类

Remember Dick and Jane? And their dog Spot? Maybe you read about them in first grade. See Spot run. Run, Spot, run! Well, a new study in the journal Psychological Science suggests that not only did you see Spot run, but you ran, too. At least in your

发表于:2018-12-24 / 阅读(175) / 评论(0) 分类 未知分类

Youve heard of synchronized swimming. But what about synchronized blinking? No, its not a new Olympic sport for slackers. Its something that seems to happen when we watch a video. Because none of us want to miss the good parts. If you stop to add it

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 未知分类

This is Scientific American's 60-second Science. I'm Steve Mirsky. Heres a clip from last weeks CalTech commencement address by Secretary of Energy and physics Nobel Laureate Steven Chu. Most scientists are optimistic by nature. Part of my optimism c

发表于:2018-12-24 / 阅读(178) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? Stand clear of the closing doors, please. Definitely keep your arms and legs away from the closing doors on the subway. But theres a potentially more insidious danger to y

发表于:2018-12-24 / 阅读(144) / 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. If all you have is a hammer, they say that everything looks like a nail. But when you use that hammer, it looks like you are arm to your brain anyway. A

发表于:2018-12-24 / 阅读(191) / 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. Theres plenty of evidence that animals learn from one another. But until now, it was thought that only humans make judgment calls, such as that woman see

发表于:2018-12-24 / 阅读(199) / 评论(0) 分类 未知分类

This is Scientific American's 60-second Science. I'm Adam Hinterthuer. Got a minute? A team of archeologists working in Jordan has made a discovery that represents a new chapter in the story of our ancestors' move from foraging to farming. The resear

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Eating fish can be good medicine. And, according to the U.S. EPA and researchers from Baylor University, fish all over the country are literally stuffed to the gills

发表于:2018-12-24 / 阅读(241) / 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. If youve ever popped open a jar of the pickled fish, you know that herring like to stick together. Actually, its something they do naturally, even before

发表于:2018-12-24 / 阅读(231) / 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. In 2005, Steven Johnson wrote a book called Everything Bad is Good For You. He proposed that popular culture is actually making us smarter. Because thing

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 ? How do you do a brain scan on a gorilla. Yeah, yeah, very carefully, right. He sleeps anywhere he wants to, too. But seriously, trying to do an MRI on a gorilla presen

发表于:2018-12-24 / 阅读(248) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Future cosmologists will get the universe all wrong, said Arizona States Lawrence Krauss at the AAAS Meeting on February 16th: All of the pillars of the big bang will

发表于:2018-12-24 / 阅读(154) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Time to bring back the Office of Technology Assessment. The OTA was created in 1972 to provide Congress with an objective analysis of complex scientific and technologi

发表于:2018-12-24 / 阅读(174) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Creationists often publish lists of a few dozen scientists who doubt Darwin. So in 2003, the National Center for Science Education put together a list of 200 scientist

发表于:2018-12-24 / 阅读(189) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Were on the verge of finding out how frequently habitable planets occur in the universe. That was astronomer Alan Boss at the AAAS meeting on February 14th. And I thin

发表于:2018-12-24 / 阅读(174) / 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. Understanding all the genes and molecules involved in human disease is quite a challenge. Thats why scientists study model organisms, like flies and worm

发表于:2018-12-24 / 阅读(194) / 评论(0) 分类 未知分类
学英语单词
-arino
1-docosanol
ai chi
alkylate fractionator
anguilla australis
at a single jet
bad sign
balancacele
Bang Pla Soi
brenz-catechin sulfuric acid
cache-line
celiptium
compositionfactors
continuous flow press
decision making function
demineralizing plant
diimide
double-reduction gear
drilling engineering
economize on social labor
eiga
ever-narrower
fact-gatherings
fernald
fire detection device
fire-resistive floor
food borne disease
gatun
gets him
globosum
going away
gooral
grande comore (comoro i.)
gromet
groove with variable depth
Haygarth's nodes
horizontal single action presses
hybrid alford
in-growings
ionithermies
isopropyl thiocyanate
Isthmus glandulae thyroideae
Kell factor
Kharuta
kubert
lacta
latane
laxadaisical
lemon-wood trees
liquidity preference theory of interest rate
macular photostress test
matching coaxial cable
meritedly
methylchromone
mid ocean ridge
N-acetyl-homoserine
nipponoscala aureomacalata
oblater
occipito-mastoid
organic-moderated reactor
panchromatic monochrome television camera
papillo-adenocystoma
periodic increment
petraries
planning policies
plant out
pleistocene refuge
porcelain basal bodies
port-level
projection mask aligner
proof mass
pyracanthas
regional headquarters
reobserved
Sannan
smootheth
sonofabitches
space-division switching
special additional risk
spheroidizing medium
Spirulina
splash plate
storax pill
supersocieties
supracoracoid foramen
synchronies
syndrome of qi sinking
take-off vertical lever
there but for the grace of God go I
thermostatistical
to drop asleep
transformer-secondary voltage
triple-clamp bolt
turmoiling
twelve-point nut
unflexed
updraft grate
uranium red
uretica
Usvyaty
winnebagoes
Zamami-jima