More on this storyExperts reveal fragments from rare Iron Age helmet
A microfluidics chip enables researchers to manipulate and study individual cells, without the use of agar at all. Credit: Brouzes E. et al. PNAS (2009).
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新疆，刚出锅的烤馕层层分明，酥松耐存；关中地区，筋道的手工面条热油一浇激发浓郁香气；江浙一带，馄饨、烧卖、小笼包开启热气腾腾的一天……