In a report published in the July 2010 issue of the American Society for Clinical Oncology（肿瘤学） Post, new recommendations on the use of the drug cetux...
Imagine if your brain lost its working memory — the ability to hold and manipulate information in your mind's eye（想象，心眼） . That's the pl...
In the battle between insect predators（捕食者） and their prey, chemical signals called kairomones（利它素） serve as an early-warning system. Pervasively emit...
In a pioneering use of computed tomography (CT) scans, scientists at Woods Hole Oceanographic Institution (WHOI) have discovered that carbon dioxide (...
Armed with dart guns and medical pellets（芯块，小球） , Agricultural Research Service (ARS) scientists are vaccinating（接种疫苗） bison（北美野牛） in and around Yello...
How a retrovirus（逆转录酶病毒） , like HIV, reproduces and assembles new viruses is different than previously thought, according to Penn State College of Med...
You can teach an old drug new chemotherapy（化学疗法） tricks. Northwestern University researchers took a drug therapy proven for blood cancers but ineffect...
In all organisms, RNA synthesis is carried out by proteins – known as RNA polymerases（聚合酶） (RNAPs) – that transcribe the genetic informati...
The discovery of a remarkable 15-million-year-old Australian fossil limestone cave（石灰岩洞） packed with even older animal bones has revealed almost the e...
Astrocytes（星形胶质细胞） - brain cells named after their characteristic star-shape and previously thought to act only as the 'glue' between neurons（...