畜牧学报

Freeing the Mind to Forget Young brains can forget painful memories, but old ones tend not to. An animal study in the journal Science finds that it may be possible to restore the old brain to its younger, more pliable state. Karen Hopkin reports Som

发表于:2018-12-07 / 阅读(150) / 评论(0) 分类 60秒科学

This is Whats Trending Today. Are you a cat person or a dog person? People around the world are bitterly divided about which animal is the better pet. But a new study may have found a clear winner when it comes to which animal is more intelligent: do

发表于:2018-12-08 / 阅读(144) / 评论(0) 分类 2017年VOA慢速英语(十一)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? Believe it or not, George isnt at home, please leave a message at the beep. So what happens when you cant get George? Some viewers have a tough time. Get out. No, its true

发表于:2018-12-24 / 阅读(104) / 评论(0) 分类 Scientific American(四)月

This is Scientific American 60 second Science, I'm Steve Mirsky, got a minute? In science, citations are gold. A journal article that gets cited a lot is usually considered a valuable piece of work. Now comes a study claiming that the number of times

发表于:2018-12-24 / 阅读(188) / 评论(0) 分类 Scientific American(二)月

This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? The November 26th issue of the journal Science included a study showing that the extinction of the dinosaurs some 65 million years ago allowed puny mammals to get really

发表于:2018-12-24 / 阅读(115) / 评论(0) 分类 Scientific American(十一)月

SCIENCE IN THE NEWS - Getting Scientists to Tell All When It Comes to Possible Conflicts of Interest With Drug CompaniesBy Nancy Steinbach Broadcast: Tuesday, July 25, 2006 VOICE ONE: This is SCIENCE

发表于:2019-01-02 / 阅读(140) / 评论(0) 分类 2006年慢速英语(七)月

By Nancy Steinbach Broadcast: August 27, 2003 This is Bill White with the VOA Special English Health Report. The World Health Organization says more than one-million people this year will discover the

发表于:2019-01-02 / 阅读(157) / 评论(0) 分类 VOA2003(下)-环境与健康

This is Scientific American's 60-Second Science, I am Karen Hopkin.This'll just take a minute. Counting is one of the first things we teach our kids. I mean, every parents probably said, You had better be in that bed by the time I count to three. Fol

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 Scientific American(七)月

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer, Got a minute? Hillary is undecided; Obama and McCain both passed. But the scientific community is committed to staging a candidates debate about science and technology. They want

发表于:2019-01-08 / 阅读(165) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. In the hit movie Slumdog Millionaire, the star answers game show questions correctly based on his life experiences. At least one right answer, however,

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 Scientific American(二)月

A couple of studies on perception. First, theres now visual data to back up the idea that everything looks kinda gray when you feel blue. Researchers examined how the retina responds to different black-and-white contrast situations. They did the test

发表于:2019-01-08 / 阅读(158) / 评论(0) 分类 Scientific American(七)月

Thats a shout World Cup enthusiasts dont hear too frequently. Soccers known for low-scoring games, which makes it difficult to find an objective means of measuring the skill of top players. In a given game, a couple might nail a goal or have an assis

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 Scientific American(六)月

This is Scientific American's 60-Second Science. I'm Cynthia Grabera. This will just take a minute. Keeping the brain active and engaged appears to combat the cognitive decline associated with getting older. Now a study has found a new, but related,

发表于:2019-01-08 / 阅读(135) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science.I'm Steve Mirsky. Got a minute? Hi. Im running. Im also telling some ofmy stem cells what to do right now. Well, I probably am, based on a new study with mice. We have what are called mesenchymal stemce

发表于:2019-01-08 / 阅读(210) / 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. Remember affirmations? Because I'm good enough, I'm smart enough, and doggonit, people like me. Well, if Stuart Smalley's shot-in-the-arm makes you smile

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Christie Nicholson. Got a minute? Performance anxiety can be crippling. Entertainers who suffer from it come up with creative defenses. Bono has his purple shades. The indie rock singer Cat Power fac

发表于:2019-01-08 / 阅读(159) / 评论(0) 分类 Scientific American(一)月

This is Scientific American 60 second Science, I'm Steve Mirsky, got a minute? In science, citations are gold. A journal article that gets cited a lot is usually considered a valuable piece of work. Now comes a study claiming that the number of times

发表于:2019-01-08 / 阅读(123) / 评论(0) 分类 Scientific American(二)月

Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y

发表于:2019-01-30 / 阅读(252) / 评论(0) 分类 60秒科学

21 只有部分椰菜可以预防癌症 DATE=3-15-01 TITLE=SCIENCE REPORT - New Broccoli Study BYLINE=George Grow (Start at 58

发表于:2019-01-30 / 阅读(153) / 评论(0) 分类 科技之光

SCIENCE IN THE NEWS - New Home for Elephants / Antarctic Volcano / Plastic Ocean Pollution By Broadcast: Tuesday, June 22, 2004 (THEME) VOICE ONE: This is Science in the News, in VOA Special English.

发表于:2019-01-30 / 阅读(355) / 评论(0) 分类 科技之光
学英语单词
Aboriginalisation
accelerator globulin (AcG)
Azul, Cerro
baby drop
bonus interest
born fool
business place
cat box
catechize
cawsons
channel cross-section
con-trick
control desk element
crossveins
data manipulation language processor
defection
dynamiteur
edel-m
electric sounding
eucrystalline
ex display
exampleless
fan-beam antenna
flip cup
fusioneer
G-M counter, Gm counter
gamma-ray
genus brunfelsias
glatzer
glycol dibutyrate
gyri temporalis inferior
have a stiff upper lip
head form
Hongren
HTPA
hydration phenomena
ill health
impactable
infra-red vehicle detector
interepte
inverting suture
khk
krebbs
Kröslin
laser filter
list-directed length of field
madron
make one's excuses
mat braid
mentionin'
metatriplite
Methidate
motor ataxia
neuron threshold
non-axial mode
non-maskable
non-therapeutic
operating instrument
oval tube method
overrise
overt provocation
peching
permanent quadrat
pintucks
POOL2
principle test section
pro-industrialization
promuscidate
pseudo color slicing
pulviograph
raupenform
repeat mating
reserve balance
rotalites
Satau
scale anlage
scanning Auger electron spectroscopy
sea-level altitude correction factor
set to kill
sherbourne
simple branched alveolargland
sixth part
spartiums
stereolab
stony goiter
straight tine
table-tennis table
taek
tandem transit routing
temp to perm
the alp
tissick
torneyite
total power dissipation
tutworker
undarken
unidirectional couplet antenna
valbonne
Vicillin
visual and dimensional examination
wherefore
writ of restitution