For emergency department patients with shortness of breath and a risk of heart failure, physicians usually grab one thing first: a stethoscope（听诊器） . ...
Archaeologists（考古学家） working on Stone Age remains at a site in North Yorkshire say it contains Britain's earliest surviving house. A team from the...
Superconducting materials（超导材料） , which transmit power resistance-free, are found to perform optimally（最佳，最适宜） when high- and low-charge density varie...
Physicians are losing ground in prescribing（规定，开处方） the types of medications（药物） that have proven most effective in treating a condition known as cong...
Researchers from Carnegie Mellon University's Molecular Biosensor and Imaging Center (MBIC) are turning up the brightness on a group of fluorescen...
The American Dietetic Association has published an updated position paper（意见书，立场书） on local support for nutrition integrity in schools that calls on s...
Training can alleviate（减轻，缓和） some of the pain that occupational injuries bring to the long-term care industry, according to Penn State researchers. T...
Duke University physicists have developed a way to produce sharp fluid jets with enough precision that they can inject material into a single, living ...
When plant-eating mammals（哺乳类） such as goats chomp（咬牙） on a sprig（小枝，图钉） of alfalfa（苜蓿） , they could easily gobble up（狼吞虎咽） some extra protein in the ...
What makes something funny? Philosophers have been tossing（抖动，摇动） that question around since Plato. Now two psychological scientists think they've...