It is difficult to know exactly when the shift from gelatine to agar occurred. As often happens for scientific breakthroughs, agar was likely adopted incrementally alongside the use of other growth media. In 1913, for example, the first diagnosis of Serratia marcescens as a human pathogen was made by growing it on agar as well as on potatoes.
The cabinet report said that, during Storm Dennis and Storm Bert, much of the pavement and highway was under water and there was extensive damage to the properties.
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青海都兰热水墓群出土的唐代扎经染色织物（斑布），在刘大玮团队的多重分析下揭开了扑朔迷离的身世：织物的主要原料来源于西南地区，生产则在东南和西南各地，经“认土做贡”制度被运至都城长安后，又以赏赐或贸易的形式流转至包括都兰在内的藩国、邻邦。作为陆上丝绸之路的重要见证，都兰纺织品的研究有力挑战了扎经染色织物“印度起源论”，更彰显了中华文明始终以开放的胸怀拥抱世界，在和平的商贸往来中慷慨待人的气质。
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