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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
VOA标准英语2012年(九月)
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
Scientific American(四)月
1. Israel said it has called up another 16,000 reservists, allowing it potentially to widen its Gaza offensive against the territory Hamas rulers in 3 weeks old war. The move coincides with stalled diplomatic efforts to end the war which has claimed
美联社新闻一分钟2014(八)月
Gates Foundation Continues to Fight Tuberculosis WASHINGTON By Abigail Martin Tuberculosis, or TB, is spread when an infected person coughs or sneezes, dispersing the germmycobacterium TBinto the air. The World Health Organization says there were an
VOA标准英语2013年(七月)
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
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
经济学人科技系列