We humans are known to help out members of our own families. When it comes to business we call it nepotism. Now plants have demonstrated the same predilection, in a study published in the American Journal of Botany. Previous research showed that plan

发表于:2018-12-24 / 阅读(87) / 评论(0) 分类 Scientific American(十一)月

Duracell is perhaps the worlds best known make of batteries. The brand is owned by the multinational conglomerate Proctor and Gamble. Duracell was founded by scientist Samuel Ruben and entrepreneur Philip Rogers Mallory. They developed an alkaline te

发表于:2019-01-01 / 阅读(72) / 评论(0) 分类 各大品牌英文介绍

By Catherine Drew London 22 January 2008 This weekend saw millions of Muslims mark the day of Ashura around the world. In central London, about 3,000 Shi'a Muslimsgathered to commemorate the martyrdom of Hussain Ibn Ali, thegrandson of the Islamic pr

发表于:2019-01-13 / 阅读(80) / 评论(0) 分类 VOA标准英语2008年(一月)

By Challiss McDonough Nabatiyeh, Lebanon 30 January 2007 Shi'ite Muslims around the world Tuesday held ritual celebrations marking the holy day known as Ashura, which commemorates the death of Muhammad's grandson. The Shi'ite ceremonies in Lebanon f

发表于:2019-01-13 / 阅读(116) / 评论(0) 分类 2007年VOA标准英语(一月)

Plants Share Light If Neighbor Is Related A study in the American Journal of Botany finds that plants can tell if they're next to a relative and will grow to allow the kin more access to light. Cynthia Graber reports. We humans are known to help out

发表于:2019-01-30 / 阅读(98) / 评论(0) 分类 60秒科学

ORLANDO, Florida, Feb. 26 (Xinhua) -- Kevin Durant scored 36 points and won his first All-Star MVP trophy in West's 152-149 victory over the East. Kobe Bryant had 27 points and overtook Michael Jordan's career scoring record in All-Star in his 14th A

发表于:2019-02-08 / 阅读(72) / 评论(0) 分类 英语新闻