2009年Scientific American's Six

This is Scientific Americans 60-Second Science. Im Adam Hinterthuer. Got a minute? Netflix isnt satisfied with the way its system recommends new movies to customers based on their viewing habits. So the mail-order DVD rental company has offered outsi

发表于:2018-12-24 / 阅读(202) / 评论(0) 分类 Scientific American(四)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. April 25th was World Malaria Day. The mosquito-borne disease is still one of the biggest killers in developing countries with a death toll of a million

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This is scientific Americans 60-Sencond Science. I am Karen Hopkin. This will just take a minute. When you think about silk, you probably think of gossamer fibers woven into lustrous garments or decadently soft bedsheets. But silk is also prized for

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This is Scientific American's 60-Second Science. I'm Christie Nicholson. Got a minute? Which would you rather see: a rare Nepalese gharial or a common vole? Even without knowing what these animals are, you might be more intrigued by the gharial, simp

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. They say that money cant buy happiness. Ryan Howell believes that it cansometimes. Howell is a researcher at San Francisco State University. He thought

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This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Angry or upset? Try picking up a pen. According to psychologist Matthew Lieberman, most people don't think of writing as a way to calm down. When you look at the bra

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(A segment of President Obamas speech to a joint session of Congress on February 24th dealing with energy and basic research:) We know the country that harnesses the power of clean, renewable energy will lead the 21st century. And yet, it is Chin

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This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? February 28th is International Sword Swallowers Awareness Day, according to practitioner Dan Meyer, who recently demonstrated the technique at the AAAS meeting in Chic

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Our health care is too costlyand each day brings further evidence that the ways we use energy strengthen our adversaries and threaten our planet We will build the roads and bridges, the electric grids and digital lines that feed our commerce and bind

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For decades, scientists have used an imaging technique called functional magnetic resonance imaging, or fMRI, to chronicle the brain in action. But a stu

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. There's a huge, gunky brown cloud that lingers over south Asia and the Indian Ocean each winter. Its been known to cause respiratory diseases and even

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. You may have noticed that as you get older, you start forgetting more stuff: like, where you left your glasses, or the names of your children. Well, if y

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Triceratops, as the name suggests, were huge dinosaurs adorned with three horns on their heads. Scientists now say those horns may have been a sort of

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Weve all gotten e-mails warning us about nasty computer viruses. Maybe you even have antivirus software installed on your machine. Well, now scientists s

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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. You probably remember exactly what you were doing when you first heard the news on 9/11. Thats because the brain has ways to file information so that thi

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Sickle cell disease is a blood disorder due to a single genetic mutation. It remains in populations because the mutation has a flip sideit helps to protect against malaria. Now another mutation has been shown to afford similar protection. Deficiency

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Little girls are made of sugar and spice and, according to a study published in the journal Cell, a fierce determination to maintain their girlishness. Because it seems that a single gene keeps their ovaries from turning into testes. Scientists have

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学英语单词
air-to-air gunnery range
airborne digital control system
analysis of cost
aphorismatic
aquatic faunal group on the land
arteriae dentis
Aura an der Saale
Bordon
boufee delirante
brake pad
British Council for the Promotion of International Trade
bull honky
busycon carica
Bābūsar P.
Cathaysoid
changed
chapitele
charcot's pain
chartreux
Chashkent
chastiment
chin wagging
combattants
conchyolin
curl plate
deprogramme
Duero
dysyn
energy equipartition theorem
energy thickness
Epipachysamine
ergodic hypothesis
falling scale over time
family Andrenidae
gasoline-engine driven machine
Goodeve's rotational viscometer
gracile
handlings
high insulating property
in the distance
industrial control module
information requirement determination
infrared reflection-absorption spectrometry
initial charges of fission fragments
interagency supports
interpolymeric
kissed and made up
Kola, Pulau
lateral calcanean branches
latroun
light draft of floating dock
louseworts
lysogenised
magnetophoto-reflectivity
Make a pitch
make coffee
maximum service volume
minidiskettes
no defect found
nonslave
oblique ligament (or dorsal ligament of hock joint)
oeecs
Ofuasi
ordered couple
patent-fuel plant
pen-tip velocity
perfectape merging unit
phouthangs
Picibani
pinniform
poles of similar sign
pollution zone
pressuretrol
pressurization by continuous circulation of protective gas
psychophonasthenia
puffs of smoke
radar direction finder
reanswer signal
roibek
row over
saturating inverter logic
shake off the other ship
shoulderwise
sit loose
skedaddles
spore phase
step-by
strong LL(K) grammar
tank-infantry teamwork
Tarcento
template match
terminal quiesce
thelwells
titanium-alloy
trevarren
underwater acoustic positioning
vice for grinding machine
William Somerset Maugham
wireless-enabled
yearday
You can't win them all.
ziraldo