AP 2011-11-26

1. Egypt's military ruler says the arm forces are prepared to hold a referendum on an immediate transfer of power to a civilian authority if people demand it. In a televised address, Egyptians were also told that president elections would be held bef

英伦广角 激光可帮助啮齿类动物受损的牙齿再次生长

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

2007年VOA标准英语-Consumers Call for Ban on Growth Hormone in Mil

By Melinda Smith Washington 24 April 2007 One of the largest groups of milk producers in the United States has set an August first deadline for its members to stop treating their cows with a growth hormone, or pay more to get their milk to market. Th

SSS 2011-05-04

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Parents wring their hands over infant sleep patterns. And so when those patterns change, parents tend to panic. But if your baby is sleeping more or na

新托福阅读模拟试题

Hormones in the Body Up to the beginning of the twentieth century, the nervous system was thought to control all communication within the body and the resulting integration of behavior. Scientists had determined that nerves ran, essentially, on elect

VOA标准英语2009年-Stem Cell Research Could Cure Diabetes

President Obama has lifted restrictions on the use of federal money for research using embryonic stem cells. Some researchers are already making progress using stem cells from umbilical cord blood, which entails no controversy since there is no dest

AP 2010-09-03

1. Fourteen US troops have been killed in eastern and southern Afghanistan in the past three days. They include seven American service members who were killed today in two separate roadside bomb attacks. 2. Hurricane Earl is getting stronger, it's he

VOA慢速英语2009年-Agriculture Report - Scientists Help Cut t

This is the VOA Special English Agriculture Report. We talked last week about when and how to prune plants. Today we tell you about some new understanding of why cutting the main branch of a plant or tree can lead to better development. The findings

VOA慢速英语 2008 0513b

SCIENCE IN THE NEWS - Museum Aims to Keep African Archeological Treasures in Africa Also: A vaccine against meningitis proves successful in Uganda. And a study suggests genetic reasons for living longer. Transcript of radio broadcast: 12 May 2008 VO

7种实用食品缓解压力显奇效

Eating when stressed can be a bad habit when the food of choice is a candy bar or bag of chips. Try these healthy foods that are actually proven to lower stress levels. 当有压力的时候如果选择吃糖果或者薯条对健康是有坏处的。试

CNN 2008-02-14

Good afternoon. I'm Naamua Delaney at the CNN Center in Atlanta. Here is a look at what's happening NOW IN THE NEWS. We're following the high drama on Capitol Hill, where a baseball superstar is trying to defend his reputation. Seven-time Cy Young A

VOA慢速英语20061122a

HEALTH REPORT - Study Links Red Meat to Higher Risk of Breast CancerBy Caty Weaver Broadcast: Wednesday, November 22, 2006 This is the VOA Special English Health Report. Exercise and keeping a healthy

Estrogen and Ovarian Cancer

34 过多服用雌性激素有可能引发卵巢癌 DATE=4-12-01 TITLE=SCIENCE REPORT -Estrogen and Ovarian Cancer BYLINE=Mario Ritter (Start at 1'00

癌症治疗新手段

28 癌症治疗新手段 DATE=5-29-01 TITLE=SCIENCE IN THE NEWS #2126 - New Cancer Treatments BYLINE=Nancy Steinbach VOICE ONE: This is Doug Johnson. VOICE TWO: And this is Sarah Long with Science in

VOA标准英语2010年-Tumors Shrink When Mice Live in Stimul

Researchers believe activity and interaction activated a communication channel in mice that prompted fat cells to stop releasing a hormone which accelerates cancer growth. Related Links Cell New research has found that mice with cancer are better abl

Researchers Stumble Across Hair Growth Treatment

Researchers have stumbled across what may turn out to be a miracle（奇迹） treatment for hair loss in humans. The scientists were investigating how stress affects the digestive system when they made the discovery. The team at the University of Ca

Healthy Children Not Growing Properly May Lack This

From VOA Learning English, this is the Health Lifestyle report. Most healthy children between the ages of four and 10 grow about five centimeters a year. Parents often notice this growth by how quickly their children grow out of their clothes and sho

全球首例！美国批准转基因三文鱼上市

The Food and Drug Administration on Thursday approved genetically modified salmon, the first such altered animal allowed for human consumption in the United States. 美国食品药品管理局周四批准了转基因三文鱼被人类食用。批准转

科学家发出警告 基因技术或将成为新型兴奋剂

Doping scandals marred the runup to the Rio Olympics and other games of the recent past. Now, scientists warn that cheating could rise to a new level using genetic research. 兴奋剂丑闻给里约奥运会和最近的其他比赛蒙上了一层阴影

5 Unusual Ways to Achieve Super Quality Sleep

It seems like every sleep expert has reduced the fascinating topic of sleep to a boring set of rules: * Keep your room dark. * Take a warm bath. * Keep the bedroom for sleep and sex only. * Avoid caffeine x hours before bedtime (where x depends on wh