单词:
单词: 相关文章
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
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
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
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 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
Science and technology 科学技术 Robot plants Putting down roots 植物机器人 落地生根 A robotic model of what plants get up to under the surface 模仿植物根部工作的机器人模型 PEOPLE often forget, when looking at a garden, mead