单词：black-stem spleenwort
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Most college students in the United States choose their major, or main field of study for their degree, before or during their first year. For Saskia Fagan, making that choice was not easy. Fagan, who is now 31 years old, grew up in Takoma Park, Mary
2018年VOA慢速英语(一)月
VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember. VOICE TWO: And I'm Shirley Griffith. This week, we will tell about evidence that something big struck the planet Jupiter. We will also tell about a long ignored organ in
VOA慢速英语2009年（八）月
This is Scientific Americans Sixty-second Science. Im Cynthia Graber. This will just take a minute. Poor old spleen, it never got the recognition it deserved. Until now. Scientists had known that the spleen is part of our immune systems. But it was c
Scientific American(八)月
Not only does it soothe the savage beast, but music also makes unruly children calmer while at the same time honing their facilities for cognitive skills and physical coordination, according to a leading expert. A mother's soft lullaby, granddad's wh
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Rwanda Invests in STEM Education for Girls Yvonne Kevia is an 18-year-old high school student in Rwanda. She wants to become a chemical engineer. She enjoys doing experiments and taking careful notes in her high school laboratory in Kigali, Rwandas c
2017年VOA慢速英语(十二)月
206. The spinal cord operation脊髓手术 spectra-sponge There was a lecture given at a medical school on a spinal cord operation. The professor began: In order to have a speedy but safe operation, one must speculate on the entire spectrum of possib
胡敏托福词汇记单词
SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I
科技之光
44 圣·约翰草并不能有效治疗情绪低落 DATE=5-3-01 TITLE=SCIENCE REPORT- Saint John's Wort and Depression BYLINE=Nancy Steinbach (Start at 59
科技之光
Australian researchers may have discovered a new way to treat hearing loss in infants. And the secret lies in the NOSE. Our reporter Li Dong has the details. Noses comes in all shapes and sizes, and Australian scientists are now trumpeting a new use
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Tomorrow is the first day of school. Barbara looks at her backpack. It has holes. It is dirty. She needs a new one. Her mom takes her shopping. There are so many backpacks. One backpack has yellow stars. Another one has rainbow stripes. Another one h
英语第2级听力-English Level 2
By Alex Villarreal Washington 28 February 2008 Adult stem cell therapy has successfully treated leukemia and other cancers for years, in the form of bone marrow transplants. A new study in the Journal of the American Medical Association [JAMA] finds
VOA常速英语2008年（二月）
Not only does it soothe the savage beast, but music also makes unruly children calmer while at the same time honing their facilities for cognitive skills and physical coordination, according to a leading expert. A mother's soft lullaby, granddad's wh
英语听力文摘 English Digest
> 39 脂肪中的茎细胞有助于治疗糖尿病 DATE=4-26-01 TITLE=SCIENCE REPORT- Stem Cells in Fat BYLINE=Nancy Steinbach (Start at 59
科技之光
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
BHP Billiton is looking at cutting thousands of jobs from its iron ore operation in Western Australia. BHP Billiton has employed external consultants to conduct a review in order to cut costs. The company says jobs are likely to go as a result of thi
澳洲ABC新闻快递2014年
By Jessica Berman Washington 19 December 2007 Stem cell research was the major medical and science story this past year, topping the list of achievements that experts say might finally lead to cures for many diseases. Meanwhile, global health officia
VOA常速英语2007年（十二月）
Japan's government and the country's central bank took action Thursday to dilute the yen. The Japanese currencys strong standing against the dollar is making exports more expensive, hurting efforts to revive the country's moribund economy. After many
英语新闻
WASHINGTON, May 11 (Xinhua) -- Researchers at Brigham and Women 's Hospital (BWH), a teaching affiliate of Harvard Medical School, have identified(鉴定) a human lung stem cell that is self-renewing and capable of forming and integrating multiple bi
英语新闻
今天我们要学的词是stem from. Stem spelled s-t-e-m, stem; and f-r-o-m, from. Stem from是源自，来源于的意思。The UN said Syrian government forces are responsible for most of the violence stemming from the country's unrest. 联合国表
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