13-07-31 Rensselaer Polytechnic Institute researchers have identified the mechanism behind a plague（瘟疫，灾祸） of LED light bulbs: a flaw called efficiency droop that causes LEDs to lose up to 20 percent of their efficiency as they are subjected to greate...

13-07-30 Albert Einstein's assertion（断言，声明） that there's an ultimate speed limit -- the speed of light -- has withstood countless tests over the past 100 years, but that didn't stop University of California, Berkeley, postdoc Michael Hohensee and grad...

13-07-27 The mineral molybdenum disulfide (MoS2), which, when solid, behaves in many ways like grease（油脂） , has semiconducting properties that make it a promising alternative to silicon or graphene in electronic devices. It also strongly absorbs visible...

13-06-05 Strawberry lovers rejoice: the days of unpacking your luscious（甘美的） berries from the refrigerator only to find them sprouting（发芽） wispy（纤细的） goatees of mold may be numbered. A research team from the U.S. Department of Agriculture's (US...

13-05-09 The Ministry of Public Security's amended regulations on driving licenses increase the penalties for motorists who run red lights , as well as authorities who issue licenses to new drivers who cause serious accidents. 公安部新修订的驾驶证使用规定加...

13-03-21 In the side of the bank, there is a crossroads, is the only way that I go home every day. One evening, I drove the car home with the three-year-old daughter, came to the embankment（路堤） , from afar, I saw a few traffic lights are out, the crossro...

13-01-25 An insect with a tiny brain and minimal computing power has become the first animal proven to use the Milky Way for orientation. Scientists from South Africa and Sweden have published findings showing the link between dung beetles and the spray of s...

13-01-20 The Arctic sea ice has not only declined over the past decade but has also become distinctly thinner and younger. Researchers are now observing mainly thin, first-year ice floes which are extensively covered with melt ponds in the summer months wher...

13-01-18 Light passing through the body and into the womb has an important role in the developing eye, US researchers have discovered. 美国研究人员发现，光穿透人体进入子宫对于胎儿眼睛发育有重要作用。 A study, published in the journal Nature, showed that mice...

12-12-07 If nanoscience were television, we'd be in the 1950s. Although scientists can make and manipulate nanoscale objects with increasingly awesome control, they are limited to black-and-white imagery for examining those objects. Information about nanosca...