British warships exit Gulf as Iran conflict looms for US - serving Royal Navy officer told The National that it was “symptomatic of decades of under-investment”

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Nature staff discuss some of the week’s top science news.

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保护法国“戴高乐”航

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8Agarose is used in electrophoresis, chromatography, immunodiffusion assays, cell and tissue culturing, and other applications. It is the electrically neutral, non-sulphated, gelling component of agar. While its market is smaller, it is fundamental for specialized biochemical and analytical protocols.