Off topic: Leeches that give back, Berlin photos, Portland timelapse, jar history

Sucking information — about rare animals — from the blood of leeches. From Life, previously unpublished photos of Hitler’s bunker and Berlin ruins. More than 300,000 images comprise “Finding Portland,” a timelapse video. And the Historic Glass Bottle Identification & Information website, for identifying bottles produced in the U.S. and Canada from the 1800s to the 1950s. (via the origin of the Mason jar)


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