神经元细胞体

We humans dont always make the best choices. But now a study in the journal Neuron demonstrates that maybe our brains do make the best possible decisionsbut only if its done unconsciously. Alex Pouget at the University of Rochester takes a look at un

发表于:2018-12-02 / 阅读(149) / 评论(0) 分类 Scientific American(十二)月

Fish live in water, but do they drink it? The answer is yes, but how fish drink water depends on where they live. Water gets into a fish's body through osmosis, the process in which water diffuses from a higher to a lower concentration. For example,

发表于:2018-12-03 / 阅读(140) / 评论(0) 分类 初学者听力文摘精选

第六篇 神经系统 Section 6 Nervous System 第一章 总论 Chapter 1 Introduction association neuron 联络神经元 astrocyte 星形胶质细胞 axon 轴突 bipolar neuron 双极神经元 central nervous system 中枢神经系统 chemical synapse 化学突触 cortex 皮质 dendrite

发表于:2018-12-05 / 阅读(290) / 评论(0) 分类 医学英语

Head to the mountains, and if the steep trails don't slow you down, the thin air will. There's less oxygen up thereso strenuous activity can leave you dizzy, out of breathor worse. But even though you're beat, biochemical processes are already busy a

发表于:2018-12-24 / 阅读(99) / 评论(0) 分类 2017年Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. You probably remember exactly what you were doing when you first heard the news on 9/11. Thats because the brain has ways to file information so that thi

发表于:2018-12-24 / 阅读(128) / 评论(0) 分类 Scientific American(一)月

Fish do drink water, but how they consume it depends on where they live. Water gets into a fishs body through osmosis, the process in which water diffuses from a higher to a lower concentration. 鱼儿确实喝水,但它们怎样喝水却取决于其

发表于:2018-12-28 / 阅读(87) / 评论(0) 分类 初学者听力文摘精选

The big dream for neuroscientists is to be able to watch our brain cells in action, in real time. Well, new research has maybe found the most promising tool yeta technique to watch individual neurons light up in response to a stimulus, like flipping

发表于:2019-01-02 / 阅读(220) / 评论(0) 分类 60秒科学

SCIENCE REPORT — March 27, 2002: New Stem Cell Study By Mario Ritter This is the VOA Special English SCIENCE REPORT. Researchers at an American medical center say special stem cells in normal human

发表于:2019-01-02 / 阅读(173) / 评论(0) 分类 科技之光

From VOA Learning English, this is the Health Lifestyle report. If you have been meaning to add more exercise to your daily routine, you may want to start sooner rather than later. A 2018 study has found that a lifetime of regular exercise and activi

发表于:2019-01-03 / 阅读(151) / 评论(0) 分类 2018年VOA慢速英语(四)月

In Vitro - experiments which are carried out in a laboratory as distinct from in vivo experiments In Vivo -experiments which are carried out in live animals as distinct from in vitro experiments Immun

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 医务英语

The big dream for neuroscientists is to be able to watch our brain cells in action, in real time. Well, new research has maybe found the most promising tool yeta technique to watch individual neurons light up in response to a stimulus, like flipping

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 Scientific American(五)月

SCIENCE IN THE NEWS - U.S. Scientists Find a Way to Create Embryonic Stem Cells With Adult Skin Cells By Cynthia Kirk, Nancy Steinbach, and Caty Weaver Broadcast: Tuesday, August 30, 2005 (MUSIC) VOIC

发表于:2019-01-11 / 阅读(133) / 评论(0) 分类 科技之光

A: Hello, so how are we feeling today? B: Things are going well for me, Dr. Smith. A: Am I correct in thinking that you are here for your annual physical? B: Yes, I am applying for new health insurance, and I need a physical examination to qualify. A

发表于:2019-01-11 / 阅读(145) / 评论(0) 分类 英语情景对话-健康

Woman Not Diabetic After Cell Transplant 妇女接受干细胞移植手术治愈糖尿病 A diabetic woman no longer needs to take daily medicine after she received a stem cell transplant. The daily insulin injection had helped control the amount of

发表于:2019-01-12 / 阅读(139) / 评论(0) 分类 2015年VOA慢速英语(九)月

听力部分 Dictation: Please prepare your paper and pen. ______ knows ___ and ____ the ________ _______ _______________________ of ______. But ________ people were __________________. Today _________________________that ________________________ is,

发表于:2019-01-14 / 阅读(97) / 评论(0) 分类 王强口语 第二册

今天我们要学的词是borderline。 Borderline, 边缘地带的。美国总统奥巴马检查身体发现,His cholesterol level is borderline high, 他的胆固醇指标介于偏高的边缘。 The snowboarder tried a move that was borderline

发表于:2019-01-16 / 阅读(115) / 评论(0) 分类 英语每日一词

DAVID GREENE, HOST: Scientists have taken one more small step toward understanding what makes the human brain unique. As NPR's Jon Hamilton reports, they've identified a type of brain cell that exists in people but not in rodents. JON HAMILTON, BYLIN

发表于:2019-01-17 / 阅读(149) / 评论(0) 分类 2018年NPR美国国家公共电台8月

By Victoria Cavaliere New York 16 October 2007 An annual stem cell research conference in New York has been bringing together some of the field's top scientists to discuss breakthroughs in stem cell research and what proponents call its long-term app

发表于:2019-01-31 / 阅读(148) / 评论(0) 分类 2007年VOA常速英语(十月)

Science and technology. 科技。 Medical implants. 医用植入设备。 A sweet idea. 一个甜美的想法。 Researchers are trying to harness glucose-the body's own fuel-to power implantable gadgets such as pacemakers. 研究人员正试图利用葡

发表于:2019-02-18 / 阅读(169) / 评论(0) 分类 经济学人综合

Our bodies are amazing. Although things go wrong at times, it's remarkable they work at all when one considers the complexities of their operation. Don and Ya?l present some awards to a few of the outstanding components. [APPLAUSE] D: Good evening, Y

发表于:2019-02-23 / 阅读(98) / 评论(0) 分类 英语时差8,16
学英语单词
aerocade
antialarmists
back-twist
balanced sash
benzidine reagent
boiler-suit
calcaneo-apophysitis
calcium sulphate
calomel radiometer
capillate
cathode-ray polarography
center of dynamic lift
chorionin
Cock's peculiar tumor
color gradient scale
conformance error
conneting rod force
convex subset
crossed spino-adductor reflex
Crotalus oreganus
cure system
Dartmeet
digiprolactone
disturbaunce
dropping plates
eastern lowland gorillas
eddy-mixing
educational rehabilitation
empis quadrimanus
euphorbia pepluss
ezraty
fibre insulated wire
fish cutlet
friarly
genus casuarinas
Hymenolepididae
IDE interface
idoloter
infusorial earth
lead sounding
least-restrictive
leporide
low permeability alloy
maintaining voltage
Malaya Balakhnya
masc.,mas
Mertorgan
milli-mole
mother clone
nailpatella syndrome
navy intelligence agency
Nogent-sur-Aube
noninbred
nontriadic
nuisance organism
off-the-beaten-track
ossicles
oteracil
phoro-aptometre
pick-hoe
Placedo
planting sweet sorghum
polar mobility
porcelain flower
pressure cycle
pressurerecorder
puberty crisis
publiphone
range dispersion diagram
re-formation
rectifier wavemeter
response analysis program
ribbon glass
right posterolateral branch
ring-down trunk signaling
saddle bottomed wagon
scarleted
Schizophragma choufenianum
shot statics
Sinobambusa kunishii
smuggled
sort out from
standard card
sulphoxidation
surface break
television literacy
tholoids
twired
ueberroth
Ultranol
umbilical-portography
unnutritional
unviabler
unvisibly
Uwāgaon
velocity defect law
voice response
waredrop
watertight diaphragm
weighted path length
wolff-parkinson-white ekg pattern
won lost percentage