One of the customers, Joyce Denham, has sent me a hoop-snake-sighting report, the first I've received in almost two years. She was at Langtry, which is upstream from Del Rio on the Rio Grande, and she ...

A legendary hoop snake capable of gripping its own tail and rolling like a wheel has never proven more than a myth, but a new robot could mimic the supposed creature's ability to both crawl and roll ...

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