n. 双角凤仙花

SSS 2009-11-20

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(88) / 评论(0)

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Fred: Hi, Shibika, so this is almost the end of the year, 2007. Can you tell me a bit, how was your year this year? Shibika: Yeah, I had pretty nice year actually. I went through a lot of ups and downs, and yeah, at first I did really well in my clas

发表于:2019-01-20 / 阅读(124) / 评论(0)

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Wk 46 (13 November 1907) Frenchman Flies The First HelicopterThis Week in HistoryFrench bicycle maker Paul Cornu flies his home-made helicopter for 20 seconds. In 1907, French engineer and bicycle maker Paul Cornu designed and built the first helicop

发表于:2019-01-22 / 阅读(70) / 评论(0)

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60秒科学:Plants Share Light If Neighbor Is Related

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

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Abrohany

alpinia purpuratas

amused

andreaea fauriei besch.

auto companies

auxiliary phase

axially uniform heat flux density profile