2008年Scientific American's Six

Transcript This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Its fairly well known that fish stocks are collapsing around the world. But theres a management method that appears to offer long-term envir

发表于:2018-12-24 / 阅读(159) / 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. Fingers are pretty nifty. They let you to grab a latte, type on a keyboard, even pull up your pants. But did you ever wonder: where do fingers come from?

发表于:2018-12-24 / 阅读(182) / 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. Sometimes a bit of bacteria can be just what the doctor ordered. If you prize yogurt for its active cultures, you know what Im talking about. Now a new s

发表于:2018-12-24 / 阅读(183) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n

发表于:2018-12-24 / 阅读(174) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Athletes have obviously been tempted to use performance enhancing anabolic steroids. Drug testing may discourage such use. But a new study finds that some of the perfo

发表于:2018-12-24 / 阅读(171) / 评论(0) 分类 Scientific American(九)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Still lots of undecided voters out there, with less than a week to go before election day. But many of these undecideds may already have made their choice. Even though

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 Scientific American(十)月

This is scientific American's 60-Second Science, I am Cynthia Graber. Thisll just take a minute. The Taliban destroyed international treasures when they wrecked the ancient Buddha statues in Afghanistans Bamiyan region. But new treasures have now bee

发表于:2018-12-24 / 阅读(148) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I am Karen Hopkin, this will just take a minute. If youve ever given any thought to the life style of the hermaphrodite, its probably occurred to you that being both male and female doubles your chance

发表于:2018-12-24 / 阅读(163) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. On March 18th, we told you that smoking doesnt make people happy. Well, we hear you ask, what will make me happy? What? What? Ok. First relax, then take ou

发表于:2018-12-24 / 阅读(149) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science, I am Cynthia Graber. This will just take a minute. When it comes to saving lives, a personal touch can sometimes work better than drugs alone. Thats what researchers in Uganda found in a study publishe

发表于:2018-12-24 / 阅读(179) / 评论(0) 分类 Scientific American(三)月

Welcome to Science Talk, the weekly podcast of Scientific American for the 7 days starting March 26, 2008. Im Steve Mirsky. The baseball season is already underway, so this week on the podcast well talk about some baseball related science with editor

发表于:2018-12-24 / 阅读(170) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. I am Cynthia Graber. This will just take a minute. Brains can register a foods caloric value independent of our taste buds, say scientists from Duke University and from Portugal. First the scientists e

发表于:2018-12-24 / 阅读(177) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. One of the problems with large-scale solar power plants is that they require a huge amount of space. To rise above that problem Israeli researchers rece

发表于:2018-12-24 / 阅读(170) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60-Second Science, I am Steve Mirsky, got a minute? You are pulling the tape off the roll and it starts to tear, or you are moving wallpaper and it refuses to strip off in strips or in what may be the most infuriating ca

发表于:2018-12-24 / 阅读(170) / 评论(0) 分类 Scientific American(三)月

This is Scientific American's 60 Second Science. I'm Steve Mirsky, got a minute? The Meridiana Planum region of Mars once had water that was really soft and highly acidic, conditions in incredibly hostile to any life forms that we know about. So any

发表于:2018-12-24 / 阅读(216) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin, this'll just take a minute. On February 8th, we told you about scientists who had created a device worn over the knees that could harvest the energy you otherwise waste while walking.

发表于:2018-12-24 / 阅读(144) / 评论(0) 分类 Scientific American(二)月

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(218) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. Being a big fish in a small pond is more likely to get you noticed. Thats good news if you are, say, the best pitcher in your little league division, but

发表于:2018-12-24 / 阅读(147) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. I am Adam Hinterthuer. Got a minute? Earlier this month, NASA announced that an MIT Physics professor will lead a team of scientists on a new mission. The objective: build a giant radio telescope on the

发表于:2018-12-24 / 阅读(153) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science, Im Cynthia Graber. This will just take a minute. The history of science is inextricably linked to the Galapagos and its influence on Darwin. In 2001, an oil tanker hit a reef in the Galapagos Islands an

发表于:2018-12-24 / 阅读(136) / 评论(0) 分类 Scientific American(二)月
学英语单词
acoustic frequency branch
actinomycess
adjustment of measuring instrument
air defense formation and disposition
airscrew turbine engine
allocation number
Aquinas, Saint Thomas
automatic control system with variable structure
balubun
bar work
black disease(sheep)
chatterji
civilness
compensating pyrheliometer
cutinite coal
danicas
date rate
deep-bar cage winding
depleted reservoir
dispersing stagnated liver qi for relieving qi stagnation
domenica
double thickiness
dream analysis
drum movement
dynamic routing
economic commission for asia and the far easts
eelams
effective supervision
enjoyment of right
environmental modification
Erinna
fadeyev
flow bog
forced motion
full return of contributions
glycerin-potato medium
Groitzsch
hologenetic action
hook up sheet
Hérens, Dent d'
I personally
internet environment equipment readiness
lecea
litsea elongata mushaensis
Long Huong
Lord Steward of the Queen's Household
lso
Madeirinha, R.
main machine system
medium size
midget receiver
missile system checkout programmer
mocoa
modern construction
moist subhumid climate
movable type transformer
oil film rolls
Oliromycin
overpricing
pedagogics
pentane plus
Periploca L.
philbertia euzonata
porphyrodiablastic
preequalizer
pressure fixing
primary ctye
proletarianisms
raffia fibre
raining slag
regional convention
Reinhold Niebuhr
reread address
retarded offset
rounded error
saprine
separatedness
sequential-alarm module
Siegbahn, Kai
solid diamond bit
spheric radius
stageless transmission
standard payback period of investment
start-up rate
streptolysin-O
stupaith
sweat test
taking a leak
tearbomb
the smoke
Toros Daglari
transigents
tray-type deaerating heater
trial rate
troupers
tting
undamped free vibration
unextractible
unspliced
untalalog
vv. basivertebrales
wensleys