Scientific American's Sixty

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Generally speaking, kids do like their candy. Now scientists say that this sweet tooth may have some basis in biology. Because sugars may help fuel the r

发表于:2018-12-24 / 阅读(75) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Most of us follow the beat of our own drummer. But it turns out that members of our social networks are great predictors of how well respond to future events. In a s

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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Some people are worried that the more we learn about genetics, the closer well get to a day when we can choose all sorts of characteristics for our bab

发表于:2018-12-24 / 阅读(84) / 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. Forget Polly wanna cracker. Polly wants to boogie. Or so say scientists in a pair of papers in the April 30th issue of the journal Current Biology. They

发表于:2018-12-24 / 阅读(67) / 评论(0) 分类 未知分类

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(89) / 评论(0) 分类 未知分类

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

发表于:2018-12-24 / 阅读(88) / 评论(0) 分类 未知分类

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

发表于:2018-12-24 / 阅读(73) / 评论(0) 分类 未知分类

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

发表于:2018-12-24 / 阅读(65) / 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. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because

发表于:2018-12-24 / 阅读(78) / 评论(0) 分类 未知分类

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

发表于:2018-12-24 / 阅读(70) / 评论(0) 分类 未知分类

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

发表于:2018-12-24 / 阅读(86) / 评论(0) 分类 未知分类

(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

发表于:2018-12-24 / 阅读(60) / 评论(0) 分类 未知分类

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

发表于:2018-12-24 / 阅读(99) / 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. 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

发表于:2018-12-24 / 阅读(95) / 评论(0) 分类 未知分类

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

发表于:2018-12-24 / 阅读(72) / 评论(0) 分类 未知分类

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

发表于:2018-12-24 / 阅读(81) / 评论(0) 分类 未知分类
学英语单词
American Bobtails
amethodical
Aranaz
arthroscopies
ask for help
Association of Diesel Specialists
beekley gauge
cable rig
cachalot
canon in second
Cardeto
charger sheet
charmed life
chromiferous dye
cloud pattern
conference on the human environment
conjugate distance parameter
constant angle fringes
constant flux voltage variation
cutting abrasion
decatetraenes
defective product record
determination of cut
dideoxynucleoside
direct latex casting
early-type variable
ejection test
Ennore
esel
examination of bids
expansion enterprise
exterior form
focal inflammation
Gettier intuition
give odds
Glendun R.
half-write pulse
hemangiolymphangioma
Heterochlorida
hexane upgrading
Heyle
hobby
i'm just sayin'
initial turning time
interchangerable
intragroup separation
Jurassic
kiep
kipper
klana
late fee
lecoq
lifer
lindel
loamiest
looper feed shaft
main bearing babbitting jig
mean density of spike
misrepresentation
modulus of flood peak
monocondylic
multiple coating
Mycoplasmataceae
neutral potential
onthophagus (onthophagus) anguicorius
open-ends
order cordaitaless
parik (armenia)
pavilions
peg ladder
photoreading
Plouvorn
point line
polymeric membrane
port-yowl
power test
radially unbounded function
reconnaissance module
rhombic brachy-pyramid
sauris angulosa
selecting and placing
selective gapper
sitella
skin glue
slow-moving
stable-shelf facies
Stannard
streamlike
strongly consistent estimator
subplotted
swollen lips
symbolic device
tagomago
Tamil
technology-enhanced
telser iterative procedure
terminal for output
terminal group
vitreopathy
well done
xerophyllums
Yelan