2009年Scientific American's Six

Still have some vacation time to burn, but tired of reading bad novels on the beach? Try a book written especially for people whod rather go to the planetarium than to Planet Hollywood. Its called The Geek Atlas: 128 Places Where Science and Technolo

发表于:2018-12-24 / 阅读(184) / 评论(0) 分类 Scientific American(八)月

A planet has been discovered about 325 light-years away. But whats really interesting is that it shouldnt exist. The planet is called WASP-18b, because it was observed by a project called WASP, the Wide Area Search for Planets. It has 10 times the ma

发表于:2018-12-24 / 阅读(159) / 评论(0) 分类 Scientific American(八)月

You cant judge a book by its cover. But you can judge a dog by its coat. You can even read right through to its genes. Because a study in the August 27th online issue of Science shows that just three key genes govern the length and texture of dog fur

发表于:2018-12-24 / 阅读(177) / 评论(0) 分类 Scientific American(八)月

The space shuttle Discovery, mission STS-128, is in orbit right now. With some fascinating people on board. Pilot Kevin Ford became interested in flying when he was a kid and read the book Carrying the Fire, by Michael Collins, command module pilot o

发表于:2018-12-24 / 阅读(177) / 评论(0) 分类 Scientific American(八)月

This is Scientific American 60-Second Science. I'm Cindey Graber. This will just take a minute. When TV sets die, they usually end up incinerated or in landfills. But now researchers from Englands University of York believe theyve found a valuable us

发表于:2018-12-24 / 阅读(195) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans Sixty-second Science. Im Cynthia Graber. This will just take a minute. Poor old spleen, it never got the recognition it deserved. Until now. Scientists had known that the spleen is part of our immune systems. But it was c

发表于:2018-12-24 / 阅读(157) / 评论(0) 分类 Scientific American(八)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths original atmosphere would have been unpleasantdeadly in factto any organisms that breathe oxygen. There wasnt any. Not until about 2.4 billi

发表于:2018-12-24 / 阅读(158) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute Happy New Year! And dont feel bad about taking today off. After all, youve traveled far. And Im not talking about the trip home from the party last night. According to N

发表于:2018-12-24 / 阅读(191) / 评论(0) 分类 Scientific American(一)月

Theres nothing like a good nap. It can refresh your moodand possibly your memory. Because a new study in the journal Science shows that a quick snooze after a mental workout helps to consolidate learning. And that sounds heard during sleep can trigge

发表于:2018-12-24 / 阅读(150) / 评论(0) 分类 Scientific American(十一)月

We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan

发表于:2018-12-24 / 阅读(213) / 评论(0) 分类 Scientific American(十一)月

This January, the country Turkey will join a handful of European nations that require visual health warnings on every pack of cigarettes. These images include things like diseased lungs and a foot sporting a toe tag. But maybe a Petri dish overrun wi

发表于:2018-12-24 / 阅读(186) / 评论(0) 分类 Scientific American(十一)月

Here in the U.S., its Thanksgiving week. And many of us are getting ready to stuff our faces, watch football and take advantage of all those Black Friday sales. But eat enough turkey and you may not want to shop. Because a new study, in the Journal o

发表于:2018-12-24 / 阅读(172) / 评论(0) 分类 Scientific American(十一)月

Maybe its happened to you. You think you have a fever. So you pop a thermometer in your mouth and try to breathe through your nose to get an accurate reading. But youre totally stuffed up, so you experience this moment of complete panic because you c

发表于:2018-12-24 / 阅读(196) / 评论(0) 分类 Scientific American(十一)月

Roughly 1,000 years ago, Europe enjoyed several centuries of balmier average temperatures. Dubbed the Medieval Warm Period, it was the last time before the present that agriculture could flourish in Greenland. This era also provided fodder for countl

发表于:2018-12-24 / 阅读(173) / 评论(0) 分类 Scientific American(十一)月

Adults can have a tough time learning a new language. Some opt for language immersion, in which the person spends all their time reading, listening to and speaking the new language. Now research reveals that immersion students do indeed learn the new

发表于:2018-12-24 / 阅读(194) / 评论(0) 分类 Scientific American(十一)月

A nightlight may keep those monsters under the bed. But it may also open the door to the blues. Because a new study reveals that animals exposed to light all night long show signs of clinical depression. If you have access to electricity, you no doub

发表于:2018-12-24 / 阅读(165) / 评论(0) 分类 Scientific American(十)月

Did you know birds sing in dialect? They do. The song of a great tit from the countryside is a far cry from that of his city cousin. And some song dialects can change nearly as fast as human slangthe Indigo Bunting changes tune from year to year. To

发表于:2018-12-24 / 阅读(163) / 评论(0) 分类 Scientific American(十)月

Some people eat to avoid being bored. Others to avoid doing something theyd rather not, like preparing a podcast. Now a report says we might eat to avoid fungi. Because warm-bloodedness, a condition that requires a lot of calories, may have evolved t

发表于:2018-12-24 / 阅读(136) / 评论(0) 分类 Scientific American(十)月

How many times has your mother told you to turn off the lights when you leave a room, or to close the fridge door while you decide what to eat. Well, climatologists are on her side. Because according to a study in the Proceedings of the National Acad

发表于:2018-12-24 / 阅读(187) / 评论(0) 分类 Scientific American(十)月

If you want to lose weightreally lose it and keep it offlook around your house. How many TV sets are there? And is there an exercise bike or any other similar equipment? The answers could predict the success of your weight loss quest, according to a

发表于:2018-12-24 / 阅读(178) / 评论(0) 分类 Scientific American(十)月
学英语单词
airlocked
anti-ribonuclear protein antibody
arecolines
autolavage
Babenza
biliprotein
break detect
budgetary resourses
burgenlands
burghal-penny
Burmese furniture
calendaring
calgarth
carbamidine
caught behind
cellular chain
center of mass determination
challance
Charlie-Gibbs fracture zone
cinnamyl anthranilate
Clarityne
combination purse
Corydalis striatocarpa
creode
crepidotus mollis
dead-well
double-digit inflation
drapetis longicalcaris
dubiousness
elasticcity
enactor
Ephedra przewalskii
escritura
extender lens
fieldsets
Fort Morgan
four seat crew capsule
Fyned
give offence to someone
gluttonise
grinding segment
hair ribbon
hasbeens
ichnofabrics
incisurae ischiadica minor
indirect evidences
irish-catholic
isocount contours
jentz
kinetic-control
kitchen islands
L (length of stroke)
leucitoid
level compensator
light-ga(u)ge welding
luminous organism
Mangaians
manned spacecraft backup landing site
marble cakes
Mesocain
minimum impedance frequency
moonlight flits
Nafate
netherworld
network of neurons
neuromatosis
numerous
on an ego trip
operating plate voltage
optimum error detection code
ordovician periods
orthoscopy
otilonium bromide
picoscale
pitman arm
presorted
pseudoedema
Pseudomonas beijerinckii
qua (ivory coast)
remote-detector
repeat transmission system
row drive wire
sarcoplasmic
screw dislocations
sheet sandstone
slowinski
small pancreas
sonic chemical analyzer
steel wire braid armor
Sterolone
synostosed
tank-body
telegraphic style
thioethyl ether
titanic cast iron
to beat the Dutch
tree-length logging
tube-nosed
uth
viciousnesses
water blancher
water-proofing agent