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(259) / 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(232) / 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(224) / 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(195) / 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(263) / 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(228) / 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(146) / 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(164) / 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(160) / 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(217) / 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(255) / 评论(0) 分类 Scientific American(十二)月
学英语单词
acute radiological sickness
airraider
annual energy out-put
armo(u)r
as swift as an arrow
as-fired basis
attorny
Azadykent
bad trip
beat cepheids
beebes
cardiomya alcocki
Cercocebus
Charles Hardin Holley
charles the balds
Chheu Khmau
Christianize
coeliectomy
contour height
convent-schools
cormier
correct handling of contradictions among the people
corynebacterium ances
crowdlike
deposit liabilities
dienoestrol
direct product Lie group
dolichoectatic
duplexity
echar
echoviruss
engineering service
giant follicular lymphoblastoma
grammatical features
gravitation transporter
gulled
gymnarthrids
hand rubber
harbi
Harrison Grove
high-frequency barrier
hollow acrylic bulb
home port certificate
homogeneous cargo
inertial navigation
inglobating
intending subscriber
interepithelial
iso 8326
kps
lime-mud
meilman
mildly smoked fish
Mjenthone
moisturise
muggin'
no-jump
non-bonding electrons
overaggressions
overprotections
particulate solid
pelvic lymphadenectomy
penitentially
perin
plagiogranite
punch-card transcriber
pupillostatometer
quarte-wave stub
ragon
rear bogie
rebound height
river thaw
rotary trencher
sales only at a certain time
shoot a pigeon and kill a crow
siyad
spring ice
steering bar
Stephanus number
storm deposit
sun
supragingival scaling
Swope, Herbert Bayard
synedrous
television archivess
terrain-avoidance radar
tetrahydroberberastine
three-card monte
three-pressure stage turbine
top and bottom guiding
toswap
Touretter
turbine overspeed testing pit
two-valley scattering
uncredited service
unlawful allocation
unmanned orbital satellite
up-gradable
V-necks
Vasekine
walkietalkies
warty casing