This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Could the eradication of smallpox have been a factor in the spread of HIV? Thats the question posed by researchers in the journal BMC Immunology, who think that the vacc

发表于:2018-12-24 / 阅读(23) / 评论(0) 分类 Scientific American(五)月

Chinese medicine has been getting some props lately. A couple of recent studies have demonstrated the medical potential of traditional treatments. Part of the challenge of AIDS is that immune cells lose their ability to divide and thus their disease

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 Scientific American(十二)月

This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? I've always thought that when I get a fever, it's my body trying to make things uncomfortable for the invading pathogen. And that's often truehigher temperatur

发表于:2019-01-08 / 阅读(59) / 评论(0) 分类 Scientific American(十一)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Bob Doughty. VOICE TWO: And I'm Barbara Klein. This week, we talk about a sickness called lupus and other autoimmune diseases. Autoimmune diseases affect the immune system the body's

发表于:2019-01-11 / 阅读(59) / 评论(0) 分类 VOA慢速英语2009年(四)月

Study: Immune System Weakens in Space During the final flight of the US space shuttle Atlantis in the summer of 2011, one of the most important pieces of scientific cargo on board was a medical experiment designed to test how the human immune system

发表于:2019-01-14 / 阅读(35) / 评论(0) 分类 VOA标准英语2013年(四月)

SCIENCE IN THE NEWS - Autoimmune Diseases Threaten The Body's Natural Defense For Fighting DiseaseBy Brianna Blake Broadcast: Tuesday, November 21, 2006 VOICE ONE: This is SCIENCE IN THE NEWS, in VOA

发表于:2019-01-30 / 阅读(67) / 评论(0) 分类 2006年慢速英语(十一)月