But shares in the streaming company had fallen since it made its offer, an indication that investors were sceptical of the plan.
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.
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A piece of insulating foam on Columbia's fuel tank broke loose during launch, damaging the heat shield with devastating results.
安東尼·澤尼爾（Anthony Zurcher），BBC駐北美記者
一名白宫官员称，特朗普政府致力于确保所有美国企业获得关键矿产供应，“这包括与中国谈判并监督中方履行特朗普总统与习近平主席之间协议的情况，同时在必要时发展替代供应链。”