10-07-07 These days, there are so many choices to labor through, from the most basic, such as paper or plastic at the grocery（食品杂货店） checkout counter, to the nearly suicide-inducing, such as the friends-and-family plan or unlimited texting. In these t...

10-07-07 Plants pursue a never-ending quest for nourishment（食物，营养品） of the liquid and solar variety. Clearly, the very essence of life. But what can our obsession（痴迷，困扰） with plants teach us about our own personal journeys? My aunts, mom and g...

10-06-28 A top German court has ruled that it is not a criminal offence to cut off the life support of a dying person if that person has given their consent. 德国最高法院裁定，在经过同意的前提下，撤掉一个垂死之人的生命补给不算是刑事犯罪。 The Federal Court o...

10-06-28 Conditions favourable to life may once have existed all over Mars. Detailed studies of minerals found inside craters（火山口） show that liquid water was widespread, not only in the southern highlands, but also beneath the northern plains. ESA's Mar...

10-06-22 A team of researchers from the University of Alberta and the National Institute for Nanotechnology has extended the operating life of an unsealed plastic solar cell, from mere hours to eight months. The research groups' development of an inexpensive...

10-06-18 Recently, I heard a touching story which illustrates（阐明，说明） the power that words have to change a life -- a power that lies right in the hands of those reading this article. Mary had grown up knowing that she was different from the other kids...

10-06-18 TODAY IS A NEW DAY Donna Levine Your tomorrows are as bright as you want to make them. There is no reason to carry the darkness of the past with you into today. Today is a wonderful new experience, full of every possibility to make your life exactly...

10-06-14 Hello, everybody! (Applause.) Well, hows the food? (Cheers and applause.) We could not have a more beautiful day for this annual picnic, and we are just thrilled（兴奋的，激动的） that all of you had a chance to get over（获得，得到）. I know that f...

10-06-14 Now, graduates, all these folks around you, I have to say, though, with the cameras and the beaming（喜气洋洋的，愉快的） smiles -- theyve worked hard to give you everything you need to pursue your dreams and fulfill your God-given talent. Unfortuna...

10-06-09 Stem cell research holds promise for improving the quality of human life ― especially embryonic（胚胎的） stem cells, which can potentially develop into any tissue in the human body. However, basic scientific problems still remain unresolved but Te...