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Here’s a worm that will make you squirm. Doctors in Cambodia recently removed a leech that, in wince-worthy fashion, had entered an elderly man’s penis while he was swimming and drank a full pint of ...

The medium-sized leech can move in an S-shape to swim and crawl like an inchworm on dry land, researchers said. Photo by 杨 震 via Unsplash For months, researchers returned to a single cave in southern ...

A 437-million-year-old fossil from a deposit in Wisconsin could be the oldest species of leech ever found. By Jack Tamisiea If you look around Waukesha County in Wisconsin today, it can be difficult ...

For months, researchers returned to a single cave in southern China to collect an unusual kind of leech. Shibabdella wulingensis is found nowhere else in the world except the groundwater of Shibadong ...