Scientists at the Leibniz Institute of Atmospheric Physics use Lidar lasers to measure the stratosphere and mesophere
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Perhaps it’s the biggest question science has left to answer, how did life begin? Now, molecular biologists in Cambridge university have discovered tiny molecules of RNA which they say might provide some clues. Science journalist and author Philip Ball explains what we know and whether we’ll ever find the origins of life on earth.，推荐阅读WPS下载最新地址获取更多信息
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