Two Scientists Win Nobel Medicine Prize for Cancer Discoveries Two scientists have won the Nobel Prize in medicine for research leading to new successful cancer treatments. 两位科学家获得了诺贝尔医学奖,因为他们的研究成功导致了

发表于:2019-01-03 / 阅读(98) / 评论(0) 分类 2018年VOA慢速英语(十)月

Scientists Extract Soft Tissue from 68-Million-Year-Old Dinosaur Bone 科学家从6千8百万年之久的恐龙骨中提取软组织 U.S. scientists have recovered soft tissue from the bones of a near

发表于:2019-01-03 / 阅读(57) / 评论(0) 分类 VOA2005(上)--环境科学探索

Epidermal growth factor - a cytokine that stimulates epithelial cell proliferation. Epinephrine - a neurotransmitter substance found at all adrenergic synapses (nor epinephrine or epinephrine). It is

发表于:2019-01-03 / 阅读(129) / 评论(0) 分类 医务英语

Lamella-bone - the microscopic structure of cortical bone gives it the appearance of concentric or parallel plates ( from Latin, lamella, the diminutive of lamina, meaning a plate or leaf). Lamina pro

发表于:2019-01-03 / 阅读(88) / 评论(0) 分类 医务英语

Cemento-enamel junction- the junction between the enamel covering the crown of the tooth and the cementum covering its root. Often referred to as the CEJ. Cementoblasts - cells of mesenchyme origin, i

发表于:2019-01-03 / 阅读(52) / 评论(0) 分类 医务英语

Microbiology - the study of the microscopic forms of life. Microfilaments - are the smallest filaments of the cytoskeleton. The filaments are made of hundreds of actin molecules, stacked in a line. Th

发表于:2019-01-03 / 阅读(74) / 评论(0) 分类 医务英语

Paracrine - cell messengers also called cytokines which are locally acting, produced by neighbouring cells or the extracellular matrix, as distinct from as distinct from endochrine or hormonal messeng

发表于:2019-01-03 / 阅读(113) / 评论(0) 分类 医务英语

Saturated solutions - Salts such as the apatites do not readily become ionized and dissolve in water. When no more ions can dissolve the solution is said to be saturated. The concentration of ions in

发表于:2019-01-03 / 阅读(131) / 评论(0) 分类 医务英语

SCIENCE IN THE NEWS -May 7, 2002: Humans and Chimps: What's the Difference? / Thousands of Ancient Remains Found in Peru / Rice Genes Mapped VOICE ONE: This is Doug Johnson. VOICE TWO: And this is Bob

发表于:2019-01-07 / 阅读(88) / 评论(0) 分类 科技之光

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 true - higher temperatures can inhibit the bad guys' ability to replicate. But my fever may actually be a one-tw

发表于:2019-01-08 / 阅读(71) / 评论(0) 分类 Scientific American(十一)月

Can Artificial Intelligence Make Doctors Better? Artificial intelligence (AI) technology may soon be a useful tool for doctors. It may help them better understand and treat diseases like breast cancer in ways that were never before possible. 人工智能

发表于:2019-01-08 / 阅读(78) / 评论(0) 分类 2018年VOA慢速英语(十二)月

HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 健康与经济

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

发表于:2019-01-11 / 阅读(81) / 评论(0) 分类 2010年VOA慢速英语(六)月

SCIENCE IN THE NEWS - Researchers Hunt for Clues about Parkinsons Disease BARBARA KLEIN: This is SCIENCE IN THE NEWS, in VOA Special English. Im Barbara Klein. BOB DOUGHTY: And Im Bob Doughty. Today we tell about the latest research and treatments fo

发表于:2019-01-12 / 阅读(74) / 评论(0) 分类 2012年VOA慢速英语(二)月

African Maternal and Child Mortality Rate Remains High Despite Improvements Elsewhere Doctors are calling it a milestone. The U.S. Food and Drug Administration has approved a first-of-a-kind prostate cancer treatment. It is not a cure, but it can ext

发表于:2019-01-13 / 阅读(93) / 评论(0) 分类 VOA标准英语2010年(五)月

Various stages of cartilage growth on scaffold. The final image on the right shows naturally forming cartilage for comparison. These replacement joints can be made of combinations of metal alloys, plastic and ceramic, but new research shows that it m

发表于:2019-01-13 / 阅读(114) / 评论(0) 分类 VOA标准英语2010年(八)月

New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping

发表于:2019-01-13 / 阅读(97) / 评论(0) 分类 VOA标准英语2010年(二月)

Researchers Identify New Target in Cancer Fight Scientists have identified a new way of fighting cancer that limits the growth and spread of a variety of tumors in laboratory animals. When you get a cut, the area quickly becomes inflamed - swollen, r

发表于:2019-01-14 / 阅读(81) / 评论(0) 分类 VOA标准英语2011年(六月)

There's been lots of research over the years concluding that physically active people are less likely to have serious conditions, such as heart disease. Now, a new study indicates that those who engage in frequent aerobic exercise are also less likel

发表于:2019-01-14 / 阅读(63) / 评论(0) 分类 VOA标准英语2010年(十一)月

Scientists Make Progress Toward Better Diabetes Treatment, Cure Excess sugar, or glucose, in your blood is not good. But a healthy body regulates it through insulin, produced in the organ called the pancreas. If the body fails to do that, either beca

发表于:2019-01-14 / 阅读(104) / 评论(0) 分类 VOA标准英语2016年(二月)