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(209) / 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(193) / 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(159) / 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(206) / 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(141) / 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(136) / 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(148) / 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(143) / 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(156) / 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(142) / 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(164) / 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(156) / 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(142) / 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(166) / 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(142) / 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(178) / 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(234) / 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(151) / 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(185) / 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(140) / 评论(0) 分类 Scientific American(十二)月
学英语单词
absorbency test
acephalogastria
aerosol ionization detector
Ash Shaykh Shunayf
automatic manufacturingtechnique
azoeosin
Benturi Kascade tray
billet in
Blawenburg
Boston cream pie
Brentano, Clemens
Bulgarian lev
bulman
burbly
butyramides
caron
conjugated polyene
continuously computed impact point
conventional sharpening
crash waggon
decline of production
delocalizations
disenroll
dredging tube
enterprise cloud storage
eosinophilic granuloma of skull
everbright fast red RN
export license
farouq
ferristilpnomelane
fire-flash
flat-bellied
force feed lubrication
garnwin
generic definition
genus Phascolarctos
grade dust-collection efficiency
halokainite
Hardy Boys
heptamerization
hewletts
high anal fistula
hijacked
Homeric
horizontal registration control
Horonite
horse-backs
indigo trisulfonate
inner viscosity
instincts
jerk-line
Juris.
kahve
Kamadeva
keep one's head down
lip clearance
lithograph machines
low temperature fusion
mechanical weigher
medium-level work
message response time
mladenovic
Mobilat
multi-stores
multizone distance relaying device
nasal blockade
nose on a chip
nuclei of cranial nerves
one-output signal
operating ceiling
parity errors
personalise
photo-typesetter
Plastoceridae
polyphase watthour meter
pseudoheme
put a freeze on
put one's hand up
rate-per-minute
re-entrusts
reaction chain
red-bellied
relative commodity price
repeated stress failure
Rubus obcordatus
sapotte
schedule pricing
sebesten
sheera
shoal area of sand
sparmannias
square integrable martingale
sunken fascine mattress
sutch
tragedy queen
transmission microscope
uncintae
Vaccinium delavayi
whip-rounds
win general acceptance
work a treat
you cannot