Mysterious contents sealed in 160-year-old medicine bottles identified as a deadly laxative used by famed Japanese doctor to treat everything from strokes and syphilis


Antique glass vials from a medical kit belonging to Ogata Koan, a leading proponent for Western medicine in late feudal Japan, had jammed shut from age. Researchers at Osaka University bombarded a bottle with muons, which can pass through glass but generates different kinds of light depending on the substances they hit.

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https://www.dailymail.co.uk/sciencetech/article-9497527/Contents-sealed-160-year-old-vial-identified-deadly-laxative-used-famed-Japanese-doctor.html


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