Thanks to Steven Forsythe for sharing a report on the use of agar seaweed in Britain during WWII, Barbara Buchberger at the Robert Koch Institute for pointing out Koch’s use of gelatine for the identification of cholera, and the surviving relative of Fanny Angelina Hesse for sharing a trove of unpublished material.
圖像來源，Serenity Strull/ BBC
An example of dithering using random noise. Top to bottom: original gradient, quantised after dithering, quantised without dithering.。服务器推荐对此有专业解读
The deliberately provocative national advertising campaign calls for all social media to be banned for children under the age of 16. The images on billboards and social media make a number of stark statements related to health.，推荐阅读safew官方版本下载获取更多信息
Dr Greg Leo, an economist at Vanderbilt University in Nashville, Tennessee, has come up with a compatibility algorithm. It finds that not only might you have a "One" you have lots of "Ones".
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