[医] 粪产硷杆菌

Bacterium Targets Untreated HIV-Positive People Researchers are warning of an emerging form of intestinal disease in sub-Saharan Africa. Its targeting mostly HIV-infected people, who are not on treatment. The disease kills up to 45 percent of those i

发表于:2018-12-08 / 阅读(76) / 评论(0) 分类 VOA标准英语2012年(九月)

This is the VOA Special English Agriculture Report. 这里是美国之音慢速英语农业报道。 White rice is the world's most popular form of rice. But it goes through a milling process that removes many nutrients. As a result, people who eat a

发表于:2018-12-16 / 阅读(99) / 评论(0) 分类 2011年VOA慢速英语(三)月

Wouldnt it be great if we could trade genes with other species? For example, suppose you could trade the family cat your genes for intelligence for its genes for physical coordination! Well, okay, thats not likely to happen anytime soon. But DNA trad

发表于:2018-12-31 / 阅读(72) / 评论(0) 分类 英语听力文摘 English Digest

Traditional Sushi Eaters Have Specialized Gut Bacteria If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the journal Nature shows that Japanese peopleb

发表于:2019-01-02 / 阅读(123) / 评论(0) 分类 60秒科学

We are living on a planet with a lot of activities, with reference to our living environment,done by faith and guess alone. 我们对于这个地球上所发生的许多现象,都只是通过信念或猜测来认知。 Our lives depend upon these cre

发表于:2019-01-03 / 阅读(68) / 评论(0) 分类 TED演讲科学篇

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute. If you want to shell a walnut, it helps to have a nutcracker. And if you want to digest seaweed, it helps to have the right enzymes. Now, a study in the jo

发表于:2019-01-08 / 阅读(95) / 评论(0) 分类 Scientific American(四)月

New Dysentery Threat Emerges Its known that clean water and sanitation can bring a sharp decline in dysentery cases in developing countries. But its not enough to stop the spread of the disease in countries undergoing rapid development and industrial

发表于:2019-01-08 / 阅读(72) / 评论(0) 分类 VOA标准英语2012年(八月)

Next time you get your debit card out, you might want to use it to buy some hand wash. A study has found that nearly one in 10 bank cards contains faecal matter. Cash is little better with one in seven bank notes containing high levels of bacteria si

发表于:2019-01-08 / 阅读(80) / 评论(0) 分类 英美文化

BOB DOUGHTY: This is SCIENCE IN THE NEWS, a program in VOA Special English. Im Bob Doughty. SHIRLEY GRIFFITH: And Im Shirley Griffith. Today we tell about the development of what scientists are calling a synthetic cell a cell produced by people inste

发表于:2019-01-11 / 阅读(67) / 评论(0) 分类 2010年VOA慢速英语(七)月

Salmonella Turned Into Cancer Killing Super Bug 沙门氏菌已转化为杀死癌细胞的超级战士 From VOA Learning English, this is the Health and Lifestyle Report. Not many people consider a bacterium that makes millions of people sick a frien

发表于:2019-01-12 / 阅读(84) / 评论(0) 分类 2015年VOA慢速英语(五)月

Research Group Has High Hopes for New TB Vaccine Physicians have long known that the so-called BCG vaccine for tuberculosis does not provide the same level of protection against the disease in all parts of the world. Some also say the vaccine's effec

发表于:2019-01-13 / 阅读(91) / 评论(0) 分类 VOA标准英语2011年(九月)

The drug Taxol is a powerful weapon in the fight against cancer, but it's very expensive and complicated to manufacture. Now, scientists at Tufts University and the Massachusetts Institute of Technology (MIT) say they've taken the first steps to make

发表于:2019-01-14 / 阅读(89) / 评论(0) 分类 VOA标准英语2010年(十)月

Scientists Race to Contain Malaria: New Discoveries, More Resistance Artemisinin has helped cut global malaria deaths by more than 25 percent over the past decade. But now, in parts of Southeast Asia, this drug no longer works. And the World Health O

发表于:2019-01-14 / 阅读(66) / 评论(0) 分类 VOA标准英语2013年(五月)

By Jessica Berman Washington 04 October 2006 New research suggests that infectious diseases may run in families. Investigators say the discovery represents a major shift in the way scientists view human disease. Experts have always accepted that cer

发表于:2019-02-04 / 阅读(111) / 评论(0) 分类 2006年VOA标准英语(十月)

US scientists have stripped life back to its bare essentials creating a synthetic microbe with the absolute minimum genetic information needed to grow and reproduce. 美国科学家将生命的多余部分剔除,只留下最基本的要素,由此创

发表于:2019-02-05 / 阅读(80) / 评论(0) 分类 英语新闻

It's perhaps the most controversial pick in the history of a respected award. Three pioneers in the science of genetically modified crops are receiving this year's prestigious World Food Prize, Thursday, Oct. 17 in Iowa. According to the prize citati

发表于:2019-02-06 / 阅读(128) / 评论(0) 分类 英语新闻

Follow-up examinations of the mice in all these experiments looked at the strengths of connections between nerve cells within part of the brain called the ventral tegmental region. 在所有这些实验中,老鼠的后续检查是观察中脑腹侧被

发表于:2019-02-16 / 阅读(101) / 评论(0) 分类 经济学人科技系列

She found that, while the genetically engineered mice and the BTBR mice had, as expected, reduced levels of L. reuteri, 她发现,虽然经过基因编辑的老鼠和BTBR老鼠体内的罗伊氏乳杆菌果然有所减少, and those with bacteria

发表于:2019-02-16 / 阅读(84) / 评论(0) 分类 经济学人科技系列

The Smell of Dirt A lot of people love that fresh-dirt smell. The surprising thing, though, is that it isnt coming from the dirt itself. Microbiologist s have traced the pleasant odor to an organic chemical called geosmin. No way! But how does geosmi

发表于:2019-02-16 / 阅读(80) / 评论(0) 分类 英语听力文摘 English Digest

In the early days, this was an exceedingly painstaking process. 早年,这是个极费力气的过程。 Work on a single bacterium could easily consume a year. 研究一个细菌就可能一下子花掉一年时间。 At that time, according to Wo

发表于:2019-02-17 / 阅读(61) / 评论(0) 分类 万物简史
学英语单词
andrographolidume
anzia formosana
apothegm
armature end connexions
avicularis
avlation fuel fraction
baltistan
Barbizonian
bearing sets
bit function
bone-shakers
booster stations
Brassica oleracea gongylodes
c.t.l.
cash budgeting
catkin
channel pool
cinnamomum caudatifolium hay
common - law marriage
common data model
confining liquid
conus fulmen
cooking liquor
Copperweed
coronands
Corydalis moupinensis
cross saw
curve of temperature variation
database registration wizard
delayed liming
depth-sounding sonar
digital main line
discharged water
efficiency of heat engine
EIC
electron repelling
elevation angle of nozzle
erormania
fen crickets
Flavitan
frequency response of microphone
full average profit
game of exhaustion
gastrofiberoscopy
geneticists
go through the floor
Goodyera velutina
gotten into
hartzenbusch
has no effect up on
have no school
hawkmoth
impacts
isophytol
juice bar
june-august
Jurisdiction to Ship of Coastal State
kpni
lambournes
lanne
Latéral à la Loire, Can.de
Les Forges
Lianokladi
loam casting
love affair
mammonitish
middle men
miserabilism
naevomelanocytic
non-stock
open ceiling
operculars
oryzastrobin
Ostnäs
pampling
paper-tape turing machine
parents culture
passenger-train car
Pentabromodifluoropropane
Pheralon
physical tracing
Podsosenka
point of bearing
prejudgements
puhes
rationabile estoverium
right-angularly
rodentologist
rootworm
rumorer
sector liner
sulphite
Theaster
topographic latitude
two-phase flow characteristics
underassessments
underbalanced
venous blood pressure manometer
voice terminal
westernization
wheel-ski
xylographic, xylographical