Scientific American's Sixty

You Live In a Strange Solar System The more astronomers study the heavens, the more they realize: our solar system is weird.There are a few things that make the solar system kind of strange.Lauren Weiss, an astrophysicist at the University of Montrea

发表于:2019-01-20 / 阅读(135) / 评论(0) 分类 未知分类

Which Came First: The Proboscis or the Flower? To learn about the plant life of long ago, scientists dig through layers of the Earth, looking for fossil clues. Like bits of fossilized pollen, or spores.And that's where I come in. Timo van Eldijk (EL-

发表于:2019-01-20 / 阅读(159) / 评论(0) 分类 未知分类

Ah yes.The ol' fluoride rinse at the dentist. Not pleasant. But hey, good for your teeth, right? 没错,这是牙医洗牙用的含氟漱口水。确实够闹心的。但毕竟对你的牙齿有益不是吗? Well now materials scientists have been

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When we humans talk to other humans, the soundswe make all have very specific meanings. When Isay apple you immediately imagine something thathas the characteristics of an apple. Yossi Yovel, aneuroecologist at Tel Aviv University in Israel. Andthe q

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Finches Can Learn to Sing Differently Than Their Genetics Dictate In the most recent podcast we discussed how baby bats learn their callsfrom all the other bats in their crowded colonies. And we mentioned in passing that songbirds usually get tutored

发表于:2019-01-20 / 阅读(143) / 评论(0) 分类 未知分类

It's particularly concerning that 56 million Americans a month admit that they drive when they haven't gotten enough sleep and they are exhausted.Charles Czeisler. Hes the director of the Division of Sleep Medicine at Harvard Medical School. 需要特别

发表于:2019-01-20 / 阅读(147) / 评论(0) 分类 未知分类

Pain and Weather Fail to Connect Are you one of those people who can tell when a storm is approaching based on your achy knees? Well, you may think you are. But a new study of more than 1.5 million seniors finds no relationship between rainfall and d

发表于:2019-01-20 / 阅读(138) / 评论(0) 分类 未知分类

You Traveled Far Last Year Happy New Year! And if youve been away from work for a few days, you deserve some time off. After all, youve traveled far. Even if you just stayed at home. According to NASA, just by being on the planet Earth in the last ye

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Air Force Tracks Final Frontier 未来太空三种战略趋势 Theres three strategic trends that I see in space. 我在太空中看到了三种战略趋势。 General Jay Raymond, Commander of Air Force Space Command in Colorado Springs. He recently

发表于:2019-01-20 / 阅读(152) / 评论(0) 分类 未知分类

NYC Mice Are Packed with Pathogens Rats. They're a defining feature of life in New York City, rustling in trash bags, scurrying along the subway tracksand becoming famous for occasionally eating pizza. But these urban vermin may be less of a threat t

发表于:2019-01-20 / 阅读(167) / 评论(0) 分类 未知分类

Bouncy Gait Improves Mood A good mood may put a spring in your step. But the opposite can work too: purposefully putting a spring in your step can improve your mood. Thats the finding from a study in the Journal of Behavior Therapy and Experimental P

发表于:2019-01-20 / 阅读(112) / 评论(0) 分类 未知分类

Louise Slaughter Was Congress's Food Safety Champion Legislation to restrict the current overuse, I would say abuse, of antibiotics by farmers who raise livestock for human consumption.Louise Slaughter, member of Congress from upstate New York, in 20

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Chaotic Orbits Could Cause Catastrophic Collision Isaac Newton said, I can calculate the motion of heavenly bodies, but not the madness of people. He meant that while people can be unpredictable, the planets are just the oppositethey glide through sp

发表于:2019-01-20 / 阅读(117) / 评论(0) 分类 未知分类

Traffic Deaths Increase after 4:20 P.M. on 4/20 Tomorrow is April 20th4/20. It's sometimes called a High Holiday. Because for a lot of people, 4/20 is Marijuana Day. And for them it's kind of a tradition to start lighting up at 4:20 P.M. on 4/20. Whi

发表于:2019-01-20 / 阅读(115) / 评论(0) 分类 未知分类

Chaotic Orbits Could Cause Catastrophic Collision Isaac Newton said, I can calculate the motion of heavenly bodies, but not the madness of people. He meant that while people can be unpredictable, the planets are just the oppositethey glide through sp

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Moths Inspire Better Smartphone Screens One of the things that makes your smartphone so smart is that if you pull it out in the sun, it senses thatand dials up the screen brightness to compensate. But it's not a perfect solution. 智能手机非常智能

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Antievolution Legislation Shows Descent with Modification Creationism evolves and sometimes those new strategies succeed. 创世论得到发展,有时候,是新的策略取得的成就。 Nicholas Matzke, an evolutionary biologist currently on a

发表于:2019-01-20 / 阅读(132) / 评论(0) 分类 未知分类

Computers Predict Pop Chart Success Many parents are no doubt familiar with their teenagers' musical tastes. Very few are probably inspired enough to launch an experiment into them. I listened to some of the music my oldest teenage daughter is listen

发表于:2019-01-20 / 阅读(109) / 评论(0) 分类 未知分类

Doc's YA Novel Treats Life and Death Issues My book is called Water in May, its about a 15-year-old Dominican-American living in Washington Heights named Mari Pujols. And she wants more than anything else to have a babyand so shes very excited when s

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Pinnipeds Don't Appreciate Biped Disturbance 鳍足类动物不喜欢受到人类干扰 Cabo Polonio is a small seaside village on Uruguay's Atlantic coast. The permanent, year-round population is just 95 people living in around 50 homes. Another 350

发表于:2019-01-20 / 阅读(122) / 评论(0) 分类 未知分类
学英语单词
acana
accept insurance
accounting period assumption
aethalia
Agoué
airborne interception equipment
Alveley
alveolar channel
anticipated cost valuation
archidiskodon
arms plant
balancing spring
Bedson's test
Bollandism
bottle baby
Burchard-Liebermann test
Buxus hebecarpa
catch up with/to
central artery of the retinas
charge effect
chemically strengthening glass
chormatin nucleolus
chromamesite
contaminated food
continuous tunnel drier
curcuma longa
curve of limiting positions of center of gravity
Cytonal
dam shell
data logger checker
devoice
diamond finishing bur
double pan balance
duplicate feeder
el-abidine
emancipation of woman
equivalent surface
eye-sight navigation
facies inferior hepatis
fanteague
feed distributor
foreskins
Frederick Law Olmsted
geometric moment of inertia
glochidion album muell.-arg.
ground bituminous coal
growing over
highbrows
hitchell
holding jaw
hot-press gluing
increment budgeting
industry participant
K'orahē
Kakoni
kinds of
Landscheid
line shipping
Macfarlane
malhams
maxillary lobe
mcmurry
mcnee
Michaelmases
microcalorimeter
millages
mother immune system
Munda-Mon-Khmer
nematoctonus robustus
netting knot
non-selecting ringing
oxidation bleaching
oxidation-resistant oil
perce
periodic dumping timesharing
Phycocrythrin
pilot pressure pump motor
porselane
required installment contribution
Rezekne
Saxifraga chionophila
Sheno
Slovenia(Slovenija)
special contingency reserve
stable block
subswarms
swollen-bellied
Tamarix juniperina
tantalous chloride
tearpit
thioglycolates
tofacine
trigeminofacialis group
tschernikit (chernikite)
tzarevna
uniquely decipherable code
universal case opener
ureido
us apartment
willm
winter buoy
x-ray spectrometric analysis