Scientific American's Sixty

Imagine if before you took each step, your guts lurched up into your throat. Well, caterpillars dont have to imaginethey take such drastic steps every day. Researchers were interested in how fluids move around inside a caterpillar. So they put one on

发表于:2018-12-24 / 阅读(160) / 评论(0) 分类 未知分类

Heres what scientists think happened, oh, about a hundred million years ago. There was this three-star system. The three linked stars were strolling through the galaxy but got too close to the giant black hole at the center. The hole swallowed one of

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 未知分类

Youd think an animal that hops would know how to land. But for a kind of frog, thats not the case. Imagine trying to catch a frog. You reach and they jump, only to land gracefully on their feet a few feet away. It was thought that all frogs moved thi

发表于:2018-12-24 / 阅读(143) / 评论(0) 分类 未知分类

Have you ever bought a new electronic device, or tried a new activity, and then dropped it because you were sure you couldnt possibly master it? Well, dont give up so quickly. Researchers performed six experiments that involved subjects trying out ne

发表于:2018-12-24 / 阅读(140) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will take just a minute. Spend any time in a bar, and sooner or later youll hear, Ill have what shes having. It sounds like a bad pickup line, but there may be an actual biological

发表于:2018-12-24 / 阅读(184) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will take just a minute. Whats in a neck? Well, its a good place to hang a pendant or a tie. Or to rest your head. Now scientists say that by separating our heads from our bodies,

发表于:2018-12-24 / 阅读(128) / 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. Some people pay big bucks for a designer handbag or a luxury carand the distinctive logo that goes along with them. Now scientists have learned that other

发表于:2018-12-24 / 阅读(161) / 评论(0) 分类 未知分类

You know saving the rainforest is good for biodiversity. But it may also be a boon to human health. That's because less clear-cutting may mean less malaria, according to a paper out this week in the journal Emerging Infectious Diseases. Researchers l

发表于:2018-12-24 / 阅读(157) / 评论(0) 分类 未知分类

Have you been having some trouble getting some digits lately when you ask a girl out? Maybe you should check what music is playing. Thats what French psychologists found. They published their research in the journal Psychology of Music. First the res

发表于:2018-12-24 / 阅读(194) / 评论(0) 分类 未知分类

Each of us harbors a unique collection of bacteria, on our outsides and our insides. Now, scientists are finding that the bacteria you get at birth may depend on how you got here. Because babies born vaginally have a different set of microbes than th

发表于:2018-12-24 / 阅读(196) / 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. Crohns disease is a real pain in the gut. This inflammatory disorder can lead to some serious intestinal difficulties. And heredity is partly to blame: som

发表于:2018-12-24 / 阅读(179) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? The North American and Pacific plates meet in California at the San Andreas fault. The plates grind past each other there at as much as an inch-and-a-half a ye

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This is Scientific American's 60-Second Science, I'm Cynthia Graber. This will just take a minute. Even if you have a light hand with the salt shaker, you probably get lots of sodium in processed or restaurant meals. But sodium can contribute to high

发表于:2018-12-24 / 阅读(199) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Its a plotline worthy of an action filmgalaxies, violently torn apart, smashing into one another, leaving remnants of themselves behind billions of years

发表于:2018-12-24 / 阅读(168) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. I'm Cynthia Graber.This will just take a minute. Imagine giant fields filled with photovoltaic solar panels, soaking up rays. The best spots to put such panels are obviously sunny, with little rain. But

发表于:2018-12-24 / 阅读(145) / 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. You've seen it on TV. Crime scene investigators show up at what might be a murder scene. There are blood spattersbut no body. Who's the victim? Now, a

发表于:2018-12-24 / 阅读(151) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. The elderly suffer from an alarming epidemic. A third of people over 65 fall at least once a year. Half of those fall more frequently. Exercise can help,

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 未知分类

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? As we approach the Thanksgiving holiday, one major question looms large for millions of large Americans: Are my fat pants fat enough? Thanksgiving marks the start of the h

发表于:2018-12-24 / 阅读(163) / 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. Back in April, 2009, this podcast covered research finding that a simple writing exercise helped minority students improve their grades. Now, a new study

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 未知分类

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? For some reason, every year a few dozen runners dash from southern Italy all the way to the North Cape of Norway, in what's called the TransEurope-FootRace. It takes abo

发表于:2018-12-24 / 阅读(148) / 评论(0) 分类 未知分类
学英语单词
-din
accuracy of machining
Agriophyllum
analog loop back
Ar Rumaylah
Arkticheskiy, Mys
arriere
ash-coloured
bubbe
buck-passing
capacitor packet
cardioencephalopathy
Chymym
cochia pills
cold fix method
continuous paper electrophoresis
coordinate induction
cornemuses
digitary
dream-book
dunnions
eco-toxicological
enable sb to do
first homotopy theorem
flight glove
fore-shot
foremothers
george crook
godstow
hardgrounds
haze layer
Hi-Def
impedance grounded
imputed consumption
indifferentisms
individual operator
isopectrics
item in transit
kernel funtion
kiln for small pieces
kindhead
kynde
lateral femoropatellare ligament
lignify
limestone log
Market-With-Protection Order
milledge
multi-axle car
nalline
narrow-leaved flame flower
ncta
net indebtedness
oncormed
one-way linkage
opsonising
Ovovivipara
page-in operation
Pasoquin
Pelycosauria
Peucedanum veitchii
pigeonnier
potocari
prevailing westerly
prohibitive mood
pylumbrin
rake attachment
reconstruction of defect of chest wall
regional director
remove seedlings from bed to field
rhombic symmetry
rust preventive pigment
Sakhanikha
San Rafael
sedimentary organism
sedulene
self-left recursion
short blow
single pointer air gauge
snakestone
special clearance
speed length ratio
spongite
st. bonifaces
stealth tax
stercolith
strombus urceus
superconductor energy gap
syzygium latilimbum(merr.)merr. et perry
tap hob
Toepler
treno
trivialized
turnell
ultimate disposal
ultrasonic frequency generator
unretracted
us -ly
us lhc
v-one
whirl chamber
winnowed
Zereh, Gowd-e