In a previous study, rheumatoid arthritis (RA风湿性关节炎) patients who failed to respond to methotrexate（甲氨蝶呤） were shown to experience positive results wi...
Last night, in his State of the Union address, President Barack Obama presented the nation with a vision of a better future through investment in educ...
The timing and dispersal（分散，传播） of modern humans out of Africa has been the source of long-standing debate, though most evidence has pointed to an exo...
Scientists are reporting successful application of the technology used in home devices to clean jewelry, dentures（假牙） , and other items to make antica...
Hotter summers may not be as catastrophic for the Greenland ice sheet as previously feared and may actually slow down the flow of glaciers, according ...
Highly-caffeinated（含咖啡因的） energy drinks – even those containing no alcohol – may pose a significant threat to individuals and public healt...
Professor Richard Watt and his chemistry students suspected that a common protein could potentially react with sunlight and harvest its energy –...
The operating system (OS) is the backbone of your computer. If the OS is compromised（妥协，连累） , attackers can take over your computer – or crash i...
The mechanism that controls the internal 24-hour clock of all forms of life from human cells to algae（海藻） has been identified by scientists. Not only ...
Scientists are reporting that key chemical components of the 770,000 gallons of oil dispersants（分散剂） applied below the ocean surface in the Deepwater ...