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material scientists admire spider silk for being lightweight and strong.now another arthropod product is getting into the act insect cuticle,the tough flexible material is inside insect skeleton.researchers at harvard * institute for biological inspi
发表于:2018-12-02 / 阅读(534) / 评论(0)
Scientific American(十二)月
Scientific American(十二)月
This is an ode to the mother goddess, that most of us in India learn when we are children. 有一首关于印度神母的颂歌，是我们大部分的印度人从小就学习的。 I learned it when I was four at my mother's knee. 在我四岁的时候
发表于:2018-12-19 / 阅读(606) / 评论(0)
TED演讲教育篇
TED演讲教育篇
DAVID GREENE, HOST: Well, the future of Brexit is uncertain this morning. So is the future for Prime Minister Theresa May. Really, so is the future of Britain. The prime minister is facing a vote of no confidence today. This comes after her governmen
发表于:2019-03-04 / 阅读(508) / 评论(0)
2019年NPR美国国家公共电台1月
2019年NPR美国国家公共电台1月