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
ab(s)-
Aberdeens
alarmist
all grant program
all size
amikacin
amylamine
arborescens lipoma
arcam
autorick
boltzmann distribution principle
boneen
cable guard railing
careware
carling knee
Chilaiditi syndrome
Chāh Voshī-ye Janūbiī
cloquitocet-mexyl
clutch drag
colour command circuit
cosmic flight science
cynocephalus variegatuss
decacandelas
deconfiguring
digitalise
Drayton, William Henry
earth-moon system
ellyrion
emergent literacy
financial magnate
frontfired
goniophotograply
Għarb
hallinan
helminthosporium tritici-vulgaris nishikado
hydrodynamic quietness
igw
in integrum
irreducible Cartan matrix
Italophilia
Kishleyevo
Landolt's
learning robot
let the dust settle
Lewis I.
Like a fish needs a bicycle
lion dog
lumen meter
lymphogranulomatosis inguinalis
math symbols
mean water plane
miohippus
moderate scale planting
mollescence
motor abreaction
myxomatous myeloma
New Hanover
nitrocarburizes
nonterminating continued fraction
nosily
ochrodermia
oil-platform
opened loading
pattern-seeking
perfectioning
petra (al batra)
petrik
physical stability
polyalkylene sulfide
Pont-de-Larn
postvide
Pravara R.
production train control panel
reading lamps
reel fore and aft adjuster
reformational
regular pattern
rosebud cherry
rupasky
seasonal discount
shoin
SSPB (Swedish State Power Board)
symbiotic nova
syphilologist
tail-tip
tequilas
thickness of backfat
transcendental instruction
underserves
untriacontane
us p
valerolactone
velums
ventral mesentery
vinopal
watch expression
wave action
wonderworks
Woody Creek
Xixabangma
zalds
Zam'yany