单词：sea-of-cells
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Cloze: Stingers of the Sea 海中刺客 ── 水母 Given impressive-sounding names like Portuguese man-of-war, jellyfish are certainly respected and feared by humans. Not exactly a fish, and lacking a spine, this creature has a single body cavity
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BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. BARBARA KLEIN: And Im Barbara Klein. This week, we talk about a sickness called lupus and other autoimmune diseases. Autoimmune diseases affect the immune system, the b
2010年VOA慢速英语(六)月
New Treatments Emerging for Parkinson's Disea Sarah Taylor knew something was very wrong, but she never dreamed she had Parkinson's disease. It was a shock. But it was a relief when I found out what was wrong with me, though, she recalled. Five years
VOA标准英语2013年(二月)
By Kevin Billinghurst Stockholm 08 October 2007 The Nobel Prize in Medicine or Physiology will be shared this year by three researchers, two Americans and a Briton, for their studies of embryonic stem cells in mice. Kevin Billinghurst was on the scen
2007年VOA常速英语（十月）
By Paul Sisco Washington, DC 01 February 2008 Scientists know that the waters north of Greenland, around the Arctic Circle, significantly influence global weather patterns. But until recently, they only have been able to measure the region's deep oce
VOA常速英语2008年（二月）