2008年Scientific American's Six

This is Scientific Americans 60-Second Science. I am Adam Hinterthuer. Got a minute? If you're ever worried that you've had one too many drinks after a night of bar-hopping, you might want to ask yourself: Are my ears ringing? Because it turns out th

发表于:2019-01-08 / 阅读(93) / 评论(0) 分类 Scientific American(八)月

This is Scientific Americans 60-Second Science, Im Cynthia Graber. Thisll just take a minute. Clues about modern-day tuberculosis could be found in some 6,000 year old bones. Israeli, Palestinian and German scientists have teamed up to investigate th

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science, I'm Cynthia Graber. This'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science,I am Karen Hopkin.This'll just take a minute. Some people lie through their teeth, some lie about their teeth. Our early human cousins seem to have lied with their teeth. Or they at least misled scienti

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 Scientific American(五)月

Podcast is sponsored from the People of American Chemistry who provide the plastics, medicines and innovations that make life modern. Learn more at americanchemistry.com. This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll ju

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod

发表于:2019-01-08 / 阅读(87) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science,I am Karen Hopkin.This'll just take a minute. Losing weight is no walk in the park. (Although a walk in the park wouldnt hurt). Seems no matter what diet you try, those stubborn love handles just wont g

发表于:2019-01-08 / 阅读(88) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science,I am Steve Mirsky.Got a minute? Its accepted that a large meteor impact 65 million years ago was responsible for the mass extinction of the dinosaurs. Which opened up niches for birds and mammals. But l

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo

发表于:2019-01-08 / 阅读(92) / 评论(0) 分类 Scientific American(五)月

This is scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Would America be a better place if more people with science training held elective office? One organization that thinks so is Scientists and Engineers for America, or SEA.

发表于:2019-01-08 / 阅读(76) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. Olive oil producers generally guess the best time to harvest their olives by checking the fruits color. The olive has to hit that perfect spot where they

发表于:2019-01-08 / 阅读(65) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Robin Williams thought that the platypus was cobbled together by an inebriated deity: Lets take a beaver. Lets put on a ducks bill. Now we know how weird the platypus is

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Some good news for, and about, primates. Scientists now think there are a lot more gorillas out there than they used to think. A new Wildlife Conservation Society census

发表于:2019-01-08 / 阅读(74) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science,I am Karen Hopkin.This'll just take a minute. If youre a fan of bad movies, and even if youre not, you might remember the summer thriller Snakes on a Plane. In it, gangsters attempt to take down a plane

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(五)月

This is Scientific American 60-Second Science, Im Cynthia Graber. This will just take a minute. Heres one space mission that is definitely going to be unmannedNASA is going to the sun. The Johns Hopkins University Applied Physics Laboratory is buildi

发表于:2019-01-08 / 阅读(98) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. If youve ever wanted to explore the universe, your dream is now as close as your keyboard. Because last week, Microsoft unveiled its online WorldWide T

发表于:2019-01-08 / 阅读(85) / 评论(0) 分类 Scientific American(五)月

This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

发表于:2019-01-08 / 阅读(99) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I am Karen Hopkin. It will just take a minute. Picture a sloth and what do you see? Some slow-moving, hairy beasts just hanging around, maybe even catching some Zs, and thats just your husband. OK, ser

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science. Im Steve Mersky. Got a minute? You probably missed it because you were sleeping. But one of North America's great natural phenomenon happened over the nights of mid-spring. After sundown, the skies fill

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science, I am Karen Hopkin. This'll just take a minute. Biologists, traditionally track migrations by tagging animals with devices that allow their movements to be monitored. But Homo sapiens can't be fitted wi

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(六)月
学英语单词
Abies dayuanensis
aboukir
acetylalisol
acoustic navigation system
acoustical insulation board
alkyl metal
all-against-all
anthracology
anti-deteriorant
betwist-mountain
Bilečko Jezero
biological oceanography
birth-control campaigners
bloodworks
boom mic
bucket blade
Cai Lay
casadei
cheapener
checkrows
Classic Triad
coated bulb
Copsychus
crohn's
cubed
Cutaneo
daisy chained priority mechanism
delivering information
electro-deposit copper
english-based
febris recurrens europaea
flux monitors
gallery kiln
Gaussian equation
genus Gavia
Glengarry Ra.
go to school to sb
hamart-
highest possible key value
irenina hydrangeae
isoetid
Kampinda
land use survey
lead splash condenser
limit register
Lionel Hampton
log-lin
low-lying placenta
mean volume diameter
membrane modulus
metalepses
methyl n-undecyl ketone
methymethacrylate
mid-parent
mist-detection instrument
msstic tests
multi-stage method of washing
natural exhaust
new jack swing
Noikohis
nozzle tube lever block
nun's cloth
offset bulb
oncurable
one-piece casting
open wire link
orthographers
overrulest
Passive portfolio
paste reactor
peak temperature
pervestigation
photorelay
physical distancemeter
pinus longaevas
porphyry shell
precision measurement
preconsign
premixed gas
pulls
ranajit
reference fringe
relieve sb of
Rhododendron megeratum
rivieras
rr. musculares (n. femoralis)
Salfit
saline diuretic
scintillation decay time
silver(II) oxide
soft toys
starvation of processes
steam trap (upright bucket type)
Stegi
Stromatoporoidea
thallations
transparent electrode
triggered response
universal electron microscope
war machines
Warmeriville
Wellerellacea