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11-05-19 feeling a little blue? here are ten fast and easy ways to smile. 感觉有些郁闷吗？以下十种方法快速简单，让你马上露出微笑。 1. exercise 运动 when you exercise, your brain releases a chemical called endorphins. this chemical makes you feel happier. tha...

11-04-28 as china's economy continues to soar, its energy use and greenhouse gas emissions will keep on soaring as wellor so goes the conventional wisdom. a new analysis by researchers at lawrence berkeley national laboratory (berkeley lab) now is challengin...

11-04-19 internet-based attacks on critical systems such as gas, power and water have increased around the world, a report suggests. 一份报告显示，世界上针对诸如石化、电力和水力等关键系统的网络攻击正在逐渐增多。 security firm mcafee surveyed 200 it executive...

11-04-17 we also have to focus on community colleges, because thats -- its not just enough to have kids getting good educations. we have to have adults who are constantly retraining. i mean, how many here -- how many folks here who are working at gamesa took...

11-04-17 all right. gentleman right here. q hi, mr. president. first off, thank you very much on behalf of everyone here for coming today. it really means a lot to us. the president: you bet. q my name is alan berchel (ph). im a canadian. i just moved here a...

11-04-17 and so the idea of a smart grid is, if you can hook up a national electricity grid that is state of the art and it has switches and computer monitors that are able to help regulate the flow of electricity to the places that need it when they need it...

11-04-03 the president: thank you. hello, everybody. thank you so much. everybody, please have a seat. i am thrilled to be here, proud to be joined here today by two of our outstanding cabinet secretaries, steven chu and ray lahood. where are steven chu and...

11-04-02 美国佐治亚理工大学的科学家近日宣布，他们成功研制出一种利用人体动能驱动发电的芯片，能够将人体在活动时产生的能量转换为电能，为随身电子设备提供电源支持。 anything from walking to a standing heartbeat could produce energy that is captured and used by na...

11-03-28 studies done by mark lusk and colleagues at the colorado school of mines could significantly improve the efficiency of solar cells. their latest work describes how the size of light-absorbing particles--quantum dots--affects the particles' ability t...

11-03-21 direct experience of extreme weather events increases concern about climate change and willingness to engage in energy-saving behaviour, according to a new research paper published in the first edition of the journal nature climate change this week....