乌斯烷

SSS 2010-01-26

What was around the bend in rivers hundreds of millions of years ago? Its a trick questionbecause there werent any bends. Ancient rivers were typically just wide, sheetlike flows of water. New reports in the journals Geology and Earth-Science Reviews

发表于:2018-12-24 / 阅读(48) / 评论(0)

Scientific American(一)月

60秒科学:Plants Put the Bend in Rivers

Plants Put the Bend in Rivers Studies in the journals Geology and Earth-Science Reviews reveal that ancient rivers were broad straight sheets of water. Colonization by plants changed the water flow. Adam Hinterthuer reports What was around the bend i

发表于:2019-01-02 / 阅读(75) / 评论(0)

60秒科学

林书豪教你如何进哈佛

Jeremy Lin is a Harvard graduate playing in the National Basketball Association. He is an Asian-American in a league devoid of them, which makes him doubly anomalous. No team drafted Lin in 2010. Two teams cut him in December, before the Knicks picke

发表于:2019-01-22 / 阅读(69) / 评论(0)

英语万花筒

甜蜜爱情健康的保证

Love gives you a healthy heart Lovers have more reason than ever to celebrate this Valentine's Day, as a new scientific theory has suggested a healthy and loving relationship is good for the heart. Research suggests that being involved in any type of

发表于:2019-02-16 / 阅读(43) / 评论(0)

阅读空间

女性糖尿病患者易中风

VIENNA, Nov. 13 (Xinhua) -- Women with diabetes are twice at the risk of suffering a stroke as those without the disease, an Austrian expert said here Thursday ahead of World Diabetes Day on Friday. Recent studies have shown that women with diabetes

发表于:2019-02-18 / 阅读(50) / 评论(0)

英语新闻

生活大爆炸第四季第十集_1

生活大爆炸第四季第十集_1 剧情简介： The Big Bang Theory是一部以科学天才为背景的情景喜剧.四位科学天才分别是:可爱善解人意的Leonard,高智商零情商的Sheldon,会六国语言的 Howard Wolowitz,以及患有

发表于:2019-03-16 / 阅读(178) / 评论(0)

生活大爆炸第四季

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circellus venosus hypoglossi

coding tool

cooking method

Corydalis semenowii