2011年Scientific American's Six

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? One way advertisers convince us to buy something is to remind us that we've enjoyed their product before. But unfortunately, we can have fond memories of a pro

发表于:2019-01-08 / 阅读(134) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(116) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. If you want to guess how many jelly beans are in a jar, you should ask your friends. Then average their answers. Because a group guess is often more accu

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Meatloaf, mac-and-cheese or a big bowl of mashed potatoes. We all have our comfort foods. Except for people with anorexia. Food makes them extremely unco

发表于:2019-01-08 / 阅读(96) / 评论(0) 分类 Scientific American(六)月

For most of us, owing thousands of dollars in students loans, all while juggling crushing credit card debt probably sounds like a nightmare. But for people in their early to mid-20s, all that debt actually seems to boost their self-esteem. Possibly b

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(六)月

You shouldn't judge a book by its cover, and you shouldn't judge a species by place of its origin, so say ecologists in the commentary in the Journal Nature. They argued that conservation should access organisms based on their impact on the local env

发表于:2019-01-08 / 阅读(61) / 评论(0) 分类 Scientific American(六)月

The tomb of king Tutenkhamen better know as King Tut, has raised many questions over the years, what killed the young king, and what's the weird stuff on the walls, since the tomb was opened in 1922, tourists have peered the elaborately painted walls

发表于:2019-01-08 / 阅读(66) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? When the internet first got kicking, some scholars of democracy and civil society thought that online discussions could create what they called a conversationa

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Apart from working and sleeping, the thing Americans do the most is watch TVfive hours a day on average. But all that time in front of the tube may up your ris

发表于:2019-01-08 / 阅读(77) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Climate change affects seasonal eventsspring flowers open earlier, songbirds breed sooner. But what about mammals? A new study documents the effect on a

发表于:2019-01-08 / 阅读(66) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. How many times has it happened to you: you're sitting around watching a rerun of Friends and you think: Man, if only I could catch a whiff of that hazeln

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 Scientific American(六)月

This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Youre lying in a hammock by a breezy shore. The hammock rocks softly back and forth. In no time(snoring). It turns out thats not just the relaxation of b

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60 second science. I'm Steve Mirsky. At the Lindau Nobel Laureate Meeting at Lindau Germany. This will just take a little bit more time than our usual may?. Edmond Fischer won the Nobel Prize in Physiology of Medicine in

发表于:2019-01-08 / 阅读(86) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky at the Lindau Nobel Laureate Meeting in Lindau Germany.This will just take a little more time than our usual minute. Why do I talk so much on money, when I'm a professor public health?

发表于:2019-01-08 / 阅读(91) / 评论(0) 分类 Scientific American(七)月

This is Scientific Americans 60-Second Science. Im Christopher Intagliata. Got a minute? Theres one message waiting for you. Imagine that you wanna send a secret message to your colleague at the CIA. You can encrypt it to prevent counterspies from re

发表于:2019-01-08 / 阅读(90) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Think of the weirdest creatures you've ever seen in a sci-fi film. Now think of this: there are far stranger, albeit smaller, critters living in your o

发表于:2019-01-08 / 阅读(105) / 评论(0) 分类 Scientific American(十一)月

Ever wander through a supermarket and past the open refrigerated cases that house cream cheese, butter and OJ? The refrigerated shelves are protected by jets of air that blow across the front. These jets form an air shield to keep the warm air out. T

发表于:2019-01-08 / 阅读(153) / 评论(0) 分类 Scientific American(十一)月

This is Scientific American's 60-Second Science. I'm John Matson. Got a minute? On November 8th, Russia launched a probe toward the tiny Martian moon Phobos. The launch was picture-perfect, and the spacecraft, called PhobosGrunt, soared into the nigh

发表于:2019-01-08 / 阅读(83) / 评论(0) 分类 Scientific American(十一)月

On November 8th, Russia launched a probe toward the tiny Martian moon Phobos. The launch was picture-perfect, and the spacecraft, called PhobosGrunt, soared into the night sky over Kazakhstan. The good news stops there. For instead of boosting itself

发表于:2019-01-08 / 阅读(104) / 评论(0) 分类 Scientific American(十一)月

Milan is one of Europes most polluted cities and that puts Leonardo da Vincis The Last Supper at risk. The painting has been on the wall of a dining hall in Milans Santa Maria Delle Grazie monastery for more than 500 years. Particulates in the air fr

发表于:2019-01-08 / 阅读(70) / 评论(0) 分类 Scientific American(十二)月
学英语单词
air breathing power unit
akerite
aleukenic lymphadenoma
anion active auxiliary
Apartheid Wall
arkell
ASR
automatic congestion level
Bagerhat District
Batouri
bead cut
benzophenone-anil
bright steel wire
bronchus segmentalis basalis cardiacus
canadian provinces
constructive code
control-surface actuator
corbasson
cotization
crippling resilience
cryptotis parvas
deeds of high resolve
deroburts
dishonorable discharge
distance study
elevation of temperature
ePresence
F function
fixed array multilaser radar
flyproof
foreign subsidiaries
funny face
general purpose interface trigger
geocorona
glycol ester
gorcock
Graham crackers
hand puppet
hepatic injuries test outfit
hyperoxypathy
isochromatic stimulus
keuka lakes
lower cover
LREAA
Lyclamycin
microwave mixer
middle latitude climate
Mogi-Mirim
mulfunction
naebody
Naha City
nms (neutron monitoring system)
normal vectorcardrogram
oblate
on-load tap changing transformer
osteoproduction
parasambus sauteri
passive tags
person connected with a corporation
photoimaging
plaited
pod pepper
polives
program for optical system design
promise to do
provision for possible loan loss
put sth down to sth
resiliences
response range
restricted bayes estimator
reticulated pythons
retsina
rickettsial
rivet hot
roast gas
rolling avalanche
scrapes
semiautomatic clutch
Shengia
shot fire
smip
source-separated
statement of surplus analysis
stricture of anterior naris
table-tipping
tank foundation
the south west
thermically
three-dimensional holography
Tǒkhyǒn
unhook
vacuum casting steel
ventilating rate
vertical contact pin
vestibular ganglion
water tank vessel
Wetlina
wheelclamps
wildlands
wine acid
wirwe