抗性基因

The descendants of longtime urban dwellers show increased genetically driven resistance to tuberculosis, due to evolutionary selection pressure over millennia. Christopher Intagliata reports 城市长久居住民的后代,经过数千年的自然选择

发表于:2018-12-07 / 阅读(104) / 评论(0) 分类 60秒科学

This is the VOA Special English Agriculture Report. Plant breeders and genetic engineers keep working to give crops the strength to resist threats like insects, diseases, droughts or floods. But before you can resist a threat, you need to understand

发表于:2018-12-15 / 阅读(42) / 评论(0) 分类 VOA慢速英语2009年(十)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Barbara Klein. On our program this week, we will tell about a possible way to control the disease malaria. Researchers have reported a decrease in th

发表于:2018-12-15 / 阅读(131) / 评论(0) 分类 VOA慢速英语2007年(五)月

Scientists Getting Closer to Finding AIDS Cure 科学家治愈艾滋病的希望更大了 Scientists searching for a cure for AIDS say they have uncovered the basic chemistry of the HIV virus and that the most likely strategy for fighting the disease

发表于:2018-12-16 / 阅读(57) / 评论(0) 分类 VOA标准英语2014年(十二月)

This is Scientific Americans 60-Second Science, Im Christopher Intagliata. Got a minute? City living has obviously influenced human cultureas have often been noted, how you gonna keep em down on the farm after theyve seen Paree'? But urban life may h

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(九)月

This is the VOA Special English Health Report. Tuberculosis killed one million three hundred thousand people around the world in two thousand seven. In addition, almost half a million people who were infected with tuberculosis and with H.I.V. also di

发表于:2019-01-02 / 阅读(61) / 评论(0) 分类 2010年慢速英语(三)月

One of the concerns about working with genetically modified crops has been that vegetation growing in agricultural fields might escape out into the world. Now, for the first time in the U.S., researchers report a large population of GM crops beyond t

发表于:2019-01-08 / 阅读(97) / 评论(0) 分类 Scientific American(八)月

This Superbug is Too Strong for Antibiotics 美国发现超级细菌 抗生素均无效! Doctors have identified a powerful bacteria that cannot be killed with antibiotics. 医生已鉴定出一种无法被抗生素杀死的强大细菌。 The bacter

发表于:2019-01-12 / 阅读(62) / 评论(0) 分类 2016年VOA慢速英语(六)月

Most rice grows in wet environments, but too much water can be disastrous for rice crops. Plant biologist Pamela Ronald helped create a type of flood-resistant rice that is being introduced to India and Bangladesh. In Davis, California, we spoke wit

发表于:2019-01-13 / 阅读(96) / 评论(0) 分类 VOA标准英语2009年(三月)

Sex Matters for Sleeping Sickness Microbes Scientists are keeping a close eye on the mating habits of microscopic organisms, including those that cause African sleeping sickness. They say what happens between two parasites can have major consequences

发表于:2019-01-14 / 阅读(65) / 评论(0) 分类 VOA标准英语2014年(一月)

AGRICULTURE REPORT - Going Biotech on the Farm: Second of Two PartsBy Mario Ritter Broadcast: Tuesday, May 02, 2006 I'm Steve Ember with the VOA Special English Agriculture Report. Farmers from a numb

发表于:2019-01-30 / 阅读(73) / 评论(0) 分类 2006年慢速英语(五)月

59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(128) / 评论(0) 分类 科技之光

AGRICULTURE REPORT - Study Says Genetically Engineered Rice Cuts Use of Insecticides By Mario Ritter Broadcast: Tuesday, May 10, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. A

发表于:2019-01-30 / 阅读(66) / 评论(0) 分类 农业与发展

CARL AZUZ, CNN 10 ANCHOR: A passionate debate is taking place worldwide over claims that genetically edited human children were recently born in China. I'm Carl Azuz. This is CNN 10. Here's how the debate got started. A Chinese scientist named He Jia

发表于:2019-02-03 / 阅读(158) / 评论(0) 分类 CNN美国有线新闻2018年12月

China's father of hybrid rice is planning to expand its production of sea-rice at a newly founded research center in Qingdao, a port city in the eastern province of Shandong, local sources said last Saturday. 据当地知情人士上周六透露,中国

发表于:2019-02-06 / 阅读(92) / 评论(0) 分类 英语新闻

Grapes are one of mans oldest cultivated crops. Ancient hieroglyphics show Egyptians harvesting grapes. Greeks, Phoenicians, and Romans used grapes for food as well as wine. Today, about seventy-percent of harvested grapes are used to make wine. Wine

发表于:2019-02-15 / 阅读(56) / 评论(0) 分类 英语时差8,16

We redheads are well known for our fiery tempers. Now it seems there's scientific backing for our ginger whingeing as well. Scientists in the United States studied a group of 144 dental patients almost half of whom had red hair. They found that the r

发表于:2019-02-15 / 阅读(81) / 评论(0) 分类 英语时差8,16

Scientists Produce Gene-Edited Chickens to Stop Spread of Flu Virus British scientists are developing gene-edited chickens designed to be fully resistant to the influenza, or flu virus. Wendy Barclay is one of the leaders of the gene-editing project.

发表于:2019-02-17 / 阅读(104) / 评论(0) 分类 2019年VOA慢速英语(一)月

Indian health officials have rejected a new medical study warning of widespread drug-resistant bacteria in the country's capital. But the co-author of the study says Delhi is in denial, and warns the bacteria can spread easily around the world, possi

发表于:2019-02-18 / 阅读(98) / 评论(0) 分类 英语新闻

Leaders 社论 Gene editing 基因编辑 The baby crisperer 婴儿保险盒 A Chinese scientist claims to have edited the genomes of two babies 中国科学家声称已成功编辑两名婴儿的基因 Humanity's power to control the four-letter code

发表于:2019-02-25 / 阅读(68) / 评论(0) 分类 经济学人综合
学英语单词
a fertile imagination
adress
air swallowing
ankle-clonus center
apodized transducer
arithmetical check
at sb.'s hand
attackee
automatic response query
bacco
back saw
be all over and done with
beam rotation
bipolar circuit
bromophenol red
bubble plate
caravan-park
chin rests
chmielewski
Clarión, I.
clinical ecologist
compensatory movements
composite numbers
computer-based consulting system
Concesio
Coppermine
cuclillas
deposit vault
deviation amplitude
donepezil
egglayers
femto-farads
Feuillant
fits and starts
Florence Hill
foamed polyethylene
geographimetrics
Gopala
gyratory screen
hautbois(strawgerry)
horizontal airspace
hot machine shop
hydroplasma
in the same oven
Indiaporã
infrared microspectrometer
intermediate node
jolious
Kadsura renchangiana
last vessel of the tow
latex proofing
leucite ijolite
Liebenscheid
magastromancy
magnetic attenuator
maharajas
many valley
measurement data presentation
mechanically operated substrate
mercians
mercury storage
model acts
moofs
morello cherry bark
niaoulis
numerical indicator tube
outdraws
patch worker
peeples
photo-dot plotter
physiographic analysis
pla man
Pompeian blue
portable radio set
power return
procreations
puccinia glechomatis
redcars
resnaiss
reverse image search
rim size
Rkîz
Rosa soulieana
round hollow back
Sakhuli
scrap chute
semiindirect
sentosa
set sb's teeth on edge
sharp reduction
short talk
spead
strain indicating lacquer
symbol registration file
system page table
TLCC
trigonometric leveling
twelvish
unmaidens
verifiest
ykk
yua