Science and technology: Medical treatment: Feed a virus, starve a bacterium 科学与技术:医疗:感染病毒时进食,感染细菌时禁食 An old wives tale gets some support from medical science. 无稽之谈获医学证实。 Whether it i

发表于:2018-12-05 / 阅读(23) / 评论(0) 分类 经济学人科技系列

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(42) / 评论(0) 分类 VOA标准英语2012年(九月)

This is the VOA Special English Agriculture Report. Someday, rice plants might not only provide food but also a way to prevent cholera and other diseases. Cholera is a bacterial infection of the intestines. Today it is found mostly in Africa, Asia a

发表于:2018-12-15 / 阅读(31) / 评论(0) 分类 VOA慢速英语2007年(六)月

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(49) / 评论(0) 分类 Scientific American(四)月

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(56) / 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(38) / 评论(0) 分类 经济学人科技系列