2010年Scientific American's Six

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. They call it culturomics: the obvious play on the word genomics looks at trends in human thought and culture. But scientists say culturomics has been h

发表于:2018-12-02 / 阅读(183) / 评论(0) 分类 Scientific American(十二)月

This is Scientific Americans 60-Second Science. I'm Karen Hopkin. This will just take a minute. Pop-pop! Its so good to see you. How are you? Mans voice: Good, good. How are those knees holding up? And the old ticker? Man: Fine. Cant complain. What m

发表于:2018-12-02 / 阅读(156) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. Thisll just take a minute. Any school kid can tell you that comets are made of ice. That frozen water burning off is what gives comets their characteristic tails. But asteroids were g

发表于:2018-12-02 / 阅读(162) / 评论(0) 分类 Scientific American(四)月

This is Scientific America's 60-Second Science. I am Karen Hopkin. Thisll just take a minute. Research on acupuncture just got a shot in the arm. Well, a needle near the knee, actually. Because a study in the journal Nature Neuroscience has uncovered

发表于:2018-12-02 / 阅读(137) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Sticks and stones may break some bonesunless you're a young female chimp. In that case, you're more likely to cradle your stick like a dollie. That findi

发表于:2018-12-02 / 阅读(193) / 评论(0) 分类 Scientific American(十二)月

Organisms evolved sexual reproduction so they could stay one step ahead of parasites. Or so the theory goes. But what about beasties that make babies without sex? How do they escape infection? A study in the journal Science suggests that for bdelloid

发表于:2018-12-02 / 阅读(164) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will take a minute. If Alice is smart, and Bobs even smarter, working together they would A) be twice as smart, B) be half as smart or C) form a task force and get nothing done. Ac

发表于:2018-12-02 / 阅读(95) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's Sixty-Second Science. I'm Christopher Intagliata. Got the minute? Scientists have finally verified something that Jersey Shore stars Snooki and Pauly D have probably known all alongthat getting your bronze on at the tann

发表于:2018-12-02 / 阅读(122) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. Thisll just take a minute. You might expect young women scientists to make less than older men. But veteran female life science researchers, even in very advanced positions, still ma

发表于:2018-12-02 / 阅读(116) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Over the years regulations have developed to limit the hours of hospital interns and residents, because someone putting in a 100-hour workweek might not be at their best w

发表于:2018-12-02 / 阅读(162) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Beauty is only skin deep. And the beauty of shiny white teeth is even less deep. Because a new study shows that fluoride forms a thinner protective shiel

发表于:2018-12-02 / 阅读(180) / 评论(0) 分类 Scientific American(十二)月
学英语单词
a SAM
accounting books
ACS (above-core structure)
aim at
albumose-free
appreciable proportion
assimilationism
balance sheet of domestic labour resources
bicycle pedal
brooketh
caley peas
carbonization gas
ceramic hygrometer
chamaephyta reptantia
checking of clearance
cholesteatomas
CHOP-10
complex loop
contract certificate
controlled post-mortem program
coproma
de index
deliver out of
dream away
driffield
Dungog
dust-pans
escape wheel bridge
exhaust gas turbo-charger lubricating oil gravity tank
falling top
generator optimization and loading algorithm (goal)
genus Trachinotus
genus ucas
governor-generalships
graded crossing
Grounding Resistors
group-based performance reward
have a long wind
hawis
husbands-to-be
hygral strain
identifiability criteria
installment credit
invigorating heart and liver
kinodynamics
knot hole
konya (konia)
Krestsy
larm
liquid radwaste tank
Lissac-et-Mouret
malthusian model
mancipating
martikainen
mast derrick
mean semi-squared difference
metatarsophalangeal articulation
money counters' cramp
Mons Lactarius, Battle of
moundsman
noddies
nonpigmented epithelium
Orbison
paper base plastics
paroxysmal ventricular fibrillation
patnode
perennial root
phenyl-arsine oxychloride
pierce type crystal oscillator
polyhedral model
postcolonialities
pre-bake
pressure scaling
pressure-relief test
prosodic systems
protoisoeruboside
protyl
rank-one method
read from cover to cover
reader/writer
ret.
riverbed dynamics
rocker type flying shears
Roxburgh binding
say uncle
scouring case
short slag
Small Office-Home office
sram stability projections
submerged groin
subtractive reduction
Sulphix
take in
TEREBRIDAE
the pledge of love union
undersole
Ustevatn
Vaquez' disease
vitrinortoliptite
washing stand
weled
wood shrinkage