突变期

Mummies Contain Clues to Colon Cancer 木乃伊包含了结肠癌的线索 From VOA Learning English, this is the Health and Lifestyle report. Colon cancer is linked with obesity, lack of exercise, and a poor diet high in processed foods. However, sc

发表于:2018-12-16 / 阅读(86) / 评论(0) 分类 2016年VOA慢速英语(三)月

Even before scientists sort this out, this information is actually really good news for us, 即使科学家还尚未解决问题,这一好消息确实振奋人心, because it turns out that the way we live can influence the accumulation of amyloi

发表于:2018-12-18 / 阅读(112) / 评论(0) 分类 TED演讲国际问题篇

Health authorities on Taiwan say they're looking into 42 suspected human infections of the H7N9 bird flu. However, no cases have yet been confirmed on the island. Doctor Pei Chun-Zhan is with the Taiwan Center for Disease Control. The virus cannot tr

发表于:2018-12-19 / 阅读(120) / 评论(0) 分类 英闻天下

This Scientific Americans 60-Second Science. I am Karen Hopkin. This will just take a minute. They say that older folks benefit from spending time with young people. And thats not just an excuse to stick grandma at the kids table at Thanksgiving. Now

发表于:2018-12-24 / 阅读(113) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science, I'm Steve Mirsky. Got a minute? A strain of mutant mice groom compulsively till they seriously injure themselves. The condition is considered a good animal model for OCD, and its similar to the human d

发表于:2018-12-24 / 阅读(130) / 评论(0) 分类 Scientific American(五)月

This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Time to bring back the Office of Technology Assessment. The OTA was created in 1972 to provide Congress with an objective analysis of complex scientific and technologi

发表于:2018-12-24 / 阅读(121) / 评论(0) 分类 Scientific American(二)月

人的一生中,将近三分之一的时间是用于睡觉的。刚出生的婴儿几乎每天要睡20个小时;即使成年后,每夭至少要睡 6~7小时。 不管睡眠时间长短如何,睡觉看来是人必不可少的行为。这一点

发表于:2018-12-27 / 阅读(104) / 评论(0) 分类 英语听力广播—Listening

Grammar Girl here. This week I have two topics for you: The number of spaces after a period at the end of a sentence, and whether you should use who or that to refer to people (and pets). Now here's our first listener question. His friends believe it

发表于:2019-01-02 / 阅读(127) / 评论(0) 分类 英语语法 Grammar Girl

This is scientific American's 60-Second Science, I'm Karen Hopkin, this'll just take a minute. If theres anything better than a fresh, ripe, tomato, its a gigantic fresh, ripe tomato. And thanks to a couple of mutations, thats exactly what we all enj

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'll just take a minute. If evolution weeds out detrimental traits, why do some seem to stick around? Well what's bad in our current environment may have been good in the conditi

发表于:2019-01-08 / 阅读(140) / 评论(0) 分类 Scientific American(六)月

Scientists have identified a unique genetic mutation in about 10 percent of people with type 2 diabetes(糖尿病) studied in the United States and Europe. The discovery could help some people learn if they are at risk of developing diabetes so they

发表于:2019-01-11 / 阅读(161) / 评论(0) 分类 英语新闻

SCIENCE IN THE NEWS - Museum Aims to Keep African Archeological Treasures in Africa Also: A vaccine against meningitis proves successful in Uganda. And a study suggests genetic reasons for living longer. Transcript of radio broadcast: 12 May 2008 VO

发表于:2019-01-11 / 阅读(111) / 评论(0) 分类 VOA慢速英语2008年(五)月

Science and Technology The science of stuttering Speech therapy 科技 口吃科学 演讲疗法 Unravelling the mystery of faltering speech 解秘演讲时的口吃 DOWN the ages stuttering has been blamed on many things. 多年来,口吃可以归咎

发表于:2019-01-26 / 阅读(156) / 评论(0) 分类 经济学人科技系列

很多打算赴国外留学的同学现在已经在联系租房的事了,在国外租房的时候一定要签订正式的租约(lease)或住房合同(housing contract),这有时候也被称为租房协议(rental agreement)。 租房合同里大家要

发表于:2019-02-02 / 阅读(127) / 评论(0) 分类 实用英语

Science and technology 科学技术 Cancer genetics 癌症遗传学 Gene therapy 基因疗法 Genetic mutations predict which cancers will respond to treatment 基因突变将预测某种治疗会对哪些癌症起作用 THE International Cancer Geno

发表于:2019-02-04 / 阅读(141) / 评论(0) 分类 经济学人科技系列

BEIJING, Feb. 16 (Xinhua) -- The Ministry of Transport (MOT) said Thursday that about 2.85 billion passenger-trips by roads were made during the 40-day Spring Festival travel rush this year, up 9.6 percent from the corresponding period last year. A t

发表于:2019-02-07 / 阅读(243) / 评论(0) 分类 英语新闻

SCOTT SIMON, HOST: Some people in life can see whole worlds in small things. Hugh Rienhoff can see it in a molecule called transforming growth factor-beta 3. In 2003, his daughter, Beatrice, was born with a few noticeable abnormalities. Her eyes were

发表于:2019-02-16 / 阅读(195) / 评论(0) 分类 英语语言学习

为何人类爱吃肉 对多数人类来说,肉的味道非常美妙。众多的美食中,为何我们对它情有独钟呢? It is no less remarkable for people today, even those of us whose tastes run more to sirloin. Because if you look at wh

发表于:2019-02-18 / 阅读(179) / 评论(0) 分类 阅读空间

Surviving Cancer Twice 两次战胜癌症 After overcoming ovarian and breast cancer, the actress opens up about getting healthy, returning to work and the health challenge she still faces 在克服了卵巢癌和乳腺癌之后,这位女演员开始

发表于:2019-02-21 / 阅读(165) / 评论(0) 分类 人物杂志

Who do you think your pet is? Learning from Your Dog's DNA 你认为你的宠物是谁?狗狗DNA中的发现 A simple cheek swab can reveal your dog's ancestry, provide insight into its health and even help explain its behavior 擦一下狗的脸就可

发表于:2019-02-21 / 阅读(171) / 评论(0) 分类 人物杂志
学英语单词
Adelocyrtis
adulticide
advance announcing post
Ainring
allowance for sales discounts
analog DP controller
aristars
Asino
asset income
astro-position line
asymmetrical laccolith
atmosphere control
backup lamp
batan
bed vent pipe
bord
can overfilling
champagnize
chrimes
cire perdue process
corner dimension
coughdrops
criso-
cut down the size of the vessel
Dalay
destination port
diplodization
doubly connected list
drywall
Dzüünbayan
ethyl nicotinate
ethyl violet
extensor point
externalir radiation exposure
fibropapilloma
flame propagation
gadilids
gang cheese press
German measles
Gobindapur
hack writer
Hall effect device
heat transfer liquid
Hoche's tract
hog-nosed
Hooke's gearing
indentifying
instant chromatography
isla mujeres
j.s.mill
katazonal
Khurmābād
knowledge base system
low-temperature oxidation
manic-depressive psychoses
mergesorted
mixed or compound duties
multi-stage diffusion unit
neustrias
noncivilised
objectvane
odor treatment by ion-exchange
ofwomen
overboard whip
papyraceous fetus
Philathean
piciformess
pigeon hole sort
pipe crushing machine
piping standard connected to the vessel
plm
poison roe
polar passage
potichomania
pre-stopping
proctoplegia
provide against
pseudomembranous rhinitis
radices paeoniae rubra
radionuclidic purity
reactor parameter
red birch
redbeard
reneguing
restrained end
Rhododendron monanthum
river-snail
scabicides
semi-scale production
shag carpet
significant level
single-heterojunction laser diode
speedies
sphenopterid
total vehicle-ton-days
trout-rod
tubular type tank
u-band
vaginal cystoma
varat
wyre