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(247) / 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(226) / 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(194) / 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(249) / 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(180) / 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(162) / 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(184) / 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(174) / 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(192) / 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(183) / 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(203) / 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(190) / 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(188) / 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(193) / 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(170) / 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(219) / 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(278) / 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(181) / 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(217) / 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(171) / 评论(0) 分类 Scientific American(十二)月
学英语单词
accuracy for vertical control
acute wasting paralysis
Alb Sunday
All Souls
arantzazu
askival hill
backup satellite
balancings
blood-vitreousbarrier
blotches
boyds
Bruckner method
bulkhead connector
chemistry of natural product
chubut
combined division method
command processing overheads
conservation of leptons
continuous gradient gel
corneal marginal degeneration
Corydalis cataractarum
cut-in loop
data set (for power performance measurement)
defuzing
destrings
duobinary code
enumerated data
escape gate
expansion pad
float-type pneumatic water feeder
have a foot in the dish
HEPT
hubbardston
hydraulic hobbing press
hydrogen ion determination
hygieno-climatology
hyperbolic space
hysterectomies
iliofemoral crease
ISR
Jeleniogórskie, Województwo
jobbing system
kara
kataphoresis
land-grant university
light reflection loss
litke
loathlier
logical necessity
Lowenhertz thread
machinery breakdown
manhattanites
marginis
metachrome mordant
mid-morning
musculus obliquus bulbi inferior
naphthylvinylpyridine
non-secrets
notional mid-point cost
organic intellectuals
pharmacy accounting
photoelectric detection
popard
postmature infant
potato starch
power reverse gear rigging
pre-teen
preauricular fistula
present value of 1 per period
priming cok
pseudosuccinite
Ra'an, Khashm ar
radar-rock unit
rainboys
rayleigh phase function
recheck test
recurvum
regular ham
rodding transmission
roll guard
special 'a' board
specific potential energy of volume change
speed pickup
structuralisme
sweepsecond
Tantanoola
technology information system
terminal procedures
tesfaye
tortexes
transheterozygote
treasury remittance order
tricked out of
ultrasound scanner
verbs
volume modulus
wave-breaking resistance
windlike
working armchair and file cabinet
worm-brake
wulfgar
Ximenean