13-03-05 原文 鸿渐知道这些话虽然对自己说，而主要是记载在日记和回忆录里给天下后世看方遯翁怎样教子以义方的。（钱钟书 - 《围城》 ） 译文 Hung-chien knew that while these remarks were said to him, they were intended primarily to be recorded in a diary or in memo...

13-01-31 Forget slow and steady wins the race. A new study shows that, at least sometimes, the best way to conserve energy and reach your destination on time is to alternate between walking and running -- whether your goal is the bus stop or a marathon finis...

13-01-28 The sun's energy is virtually limitless, but harnessing its electricity with today's single-crystal silicon solar cells is extremely expensive -- 10 times pricier than coal, according to some estimates. Organic solar cells -- polymer solar cells tha...

13-01-09 A new Department of Energy research facility could help bring the U.S. closer to generating power from the winds and waters along America's coasts and help alleviate（减轻，缓和） a major hurdle for offshore wind and ocean power development. Will Sh...

12-12-20 Regardless of the cause, stress sets in motion certain automatic changes in the body that are designed to give it a quick burst of energy. The pattern of changes has been called the fight-or-flight response because it most likely evolved from our pr...

12-12-13 Prices for solar modules -- the part of solar panels that produce electricity -- will continue to fall, in line with the long-term trend since 1980, according to a survey of experts by Near Zero, , a nonprofit energy research organization. However,...

12-12-11 Renewable energy could fully power a large electric grid 99.9 percent of the time by 2030 at costs comparable to today's electricity expenses, according to new research by the University of Delaware and Delaware Technical Community College. A well-d...

12-12-03 One reason that biofuels are expensive to make is that the organisms used to ferment（发酵） the biomass cannot make effective use of hemicellulose（半纤维素） , the next most abundant cell wall component after cellulose. They convert only the gluco...

12-12-03 Bulk solvents, widely used in the chemical industry, pose a serious threat to human health and the environment. As a result, there is growing interest in avoiding their use by relying on mechanochemistry（机械化学） -- an energy-efficient alternativ...

12-11-23 In the marine world, high-energy prey make for high-energy predators. And to survive, such marine predators need to sustain the right kind of high-energy diet. Not just any prey will do, suggests a new study by researchers from the University of Bri...