单词：Impatiens racemosa
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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
Scientific American(十一)月
By Mike O'Sullivan Los Angeles 08 November 2006 The Democratic Party took control of the U.S. House of Representatives in Tuesday's elections. Key senate races in Virginia and Montana remained uncertain and it was unclear, early Wednesday, which par
2006年VOA标准英语（十一月)
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
60秒科学
英语作文 The biggest difference between animals and human is that human can think. So we have emotions. Love,hatred and grief are emotions.I was an emotional boy since I was young.I love to watch the dark sky,the moon and the stars.They always make
英语作文
TEHRAN, Feb. 27 (Xinhua) -- Tractor Sazi Tabriz of Iran defeated Al-Jazira of the United Arab Emirates (UAE) 3-1 in Group A of Asian Champions League, local media reported on Wednesday. In the match held in Tabriz Yadeghar-e-Emam stadium before 85,00
英语新闻