Scientific American's Sixty

Teaching Computers to Enjoy the View 电脑也会欣赏风景啦! What sort of scenery do you find most appealing? Researchers in the U.K. asked volunteers that question, through an online photo-rating game, and the result was sort of what you'd ex

发表于:2018-12-24 / 阅读(166) / 评论(0) 分类 未知分类

Guppy Groups Provide Friendly Protection against Foes大敌当前小鱼也会为朋友两肋插刀 Humans aren't the only species that forms friendships. Lots of animals prefer to spend their time only with certain individuals. 人类并不是唯一一

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Wolves Need More Room to Roam狼群需要更多生存空间 Wolves are vital players in various ecosystems. So we humans need to develop a better tolerance for wolves. And the wolves need more space. Thats according to a new study in the journal Natu

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Keep Rolling Luggage Upright With Physics物理学帮你稳住拉杆箱 If you've ever pulled a rolling suitcase through the airport, chances are you've also been annoyed by this common occurrence: the suitcase starts rocking back and forth on each w

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DNA Points to Multiple Migrations into the Americas 美洲多次殖民迁移之谜 For more than ten thousand years, Alaska Native and Canadian First Nations people have lived along the Northwest coast of North America. Now, ancient remains have prov

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Better Memory Begets Boredom 记忆力太好的坏处? Summers here and it wont be long before school-aged kids across America start complaining that theyre tiredof riding their bikes, playing at the park, swimming in the pooland all the other awes

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Moths Inspire Better Smartphone Screens 飞蛾帮你改进智能手机屏 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 perf

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Last Woollies Had Mammoth Mutations 长毛象灭绝的真正原因是 In their heyday, woolly mammoths blanketed the Siberian steppe, Alaska and large parts of North America. But by 10,000 years ago, warming climates had turned many of the grasslands

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New Concrete Recipes Could Cut Cracks能够对抗公路裂化的新型混凝土配方 There's a stretch of highway in Pennsylvania, along U.S. 422. And like every probably 20 feet you see a big pothole or cracking at the joint. Like everywhere. It wa

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When we humans talk to other humans, the sounds we make all have very specific meanings. When I say apple you immediately imagine something that has the characteristics of an apple. Yossi Yovel, a neuroecologist at Tel Aviv University in Israel. And

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Zika virus infection during pregnancy has been linked to the abnormal brain development called microcephaly. Now a study finds more evidence for the connection. Researchers at the CDC in the U.S. and the National Health Institute in Colombia found th

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Long ago, before BandAids, or even medicine of any kind, our ancestors evolved to heal cuts themselves. If you got sliced open, the body blocked it up, to prevent blood loss, water loss, infection. But as we gained that powerwe sacrificed something e

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The surface of Mars is etched with ancient river valleys and lake basins. Which makes researchers think that liquid water once flowed on the Red Planet. But how? Today, Mars is too cold for much, if any, liquid water to exist. And 3.8 billion years a

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Menopause marks the end of a females babymaking era. And not just for humans. Female killer whales go through menopause, too. And a new study finds that they might get pushed into menopause by their up-and-coming daughters. Those findings are floated

发表于:2018-12-24 / 阅读(166) / 评论(0) 分类 未知分类

More than half of U.S. households provide food for birds. It's a billion dollar industry. Now a study asks whether the same feeders that attract birds also attract predators that eat the eggs and newly hatched nestlings of those birds. We imagined th

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It turns out the best looking thing on a man may be a good-looking woman. 结果证明,男性身上最耐看的是旁边站一个漂亮的女性。 Researchers report that women find a man they see with an attractive woman more desirable than unatt

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Knot Not Easy to Knot 看结容易 打结难 Of the many puzzles mathematicians ponder, one is new ways to tie knots. There are more than six billion different types of knots that have been tabulated by mathematicians. Six billion. David Leigh, a che

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Bees Prefer Flowers That Proffer Nicotine蜜蜂更偏爱含有尼古丁的花朵 We humans enjoy coffee and tea, to give our brains a caffeine boost. And bees sometimes sip nectar that naturally contains caffeine, which seems to enhance their memory.

发表于:2018-12-24 / 阅读(170) / 评论(0) 分类 未知分类

Climate Change Fires Up Polar Bear Treadmill 气候变化害苦了北极熊 Polar Bears spend most of their time roaming the sea ice in search of seals. And seals spend most of their time underneath that ice, avoiding the top predator. But climate ch

发表于:2018-12-24 / 阅读(226) / 评论(0) 分类 未知分类

Cold Snap Shapes Lizard Survivors 南方寒潮中的幸存者后来都怎样了 In January 2014, an epic cold wave swept across the southeasta snowpocalypse so severe that thousands of drivers in Atlanta abandoned their cars on icy highways and Inter

发表于:2018-12-24 / 阅读(166) / 评论(0) 分类 未知分类
学英语单词
-nibbed
absolute practical system of units
addressed vertical positions
Alexiares
astonomical theory of business cycles
atmaspheric dispersion
Auristomia
automatic secure voice communication
baby's bottle
bautingensis
boat pole
Bursaria
c.f.e
cher ami
COGSA
coppice-wood
corresponding form
crane forward
cut away the rigging
cutting edge normal plane
dash-out
deightoniella torulosa
depressor arcus branchial muscle
di-tert-butyl peroxyphthalate
double - dip recession
echininus cumingii
epi wafer
epic simile
error of reading
federal judiciaries
fill orifice
full eccentrice type
genus Melospiza
government minister
grain variety
graphis elegans (sm.)ach.
grasses
hand-mirrors
heat removal equipment
helu
Hemophilus Pertussis
hexagonal brass nut
high - temperature alloy
Impatiens bracteata
isopropylcyclohexane
Japanese strobus pine
jarovization
kalson
knuckle support
Kurskaya
lavatorium
lead collision course
Ledderhose
leptastrea bewickensis
LISP evaluation
magnetic fibre sensor
Mbouna
medical expense
memory scanning
Mezoneurum
mieles
Migyaunye
MOMA
muscae
Neustadt am Kulm
nock-hole
not.
petticoat pipe
pupivorous
purification flow rate
put things in train
reserve of stability
resonance Raman effect
scan abort subsystem
scheds
scuff up
shirtsleeve
silent key
sliced dried beef
snapp
stop valve spindle
sweeping-out method
temporarily
tetradotoxin
theobromas
thuy
tonify the kidney to improve inspiration
tool department
total pressure tube
transient distrortion
ulusow
unaccountably
unamsil
undersea boatman
universal amplifier
untheoretic
untrawlable
uranyl oxalate
wanakas
Winterbach
wrappt
wyon