A tantalising piece of evidence has been added to the puzzle over so-called "hobbit" hominids found in a cave in a remote Indonesian island, whose discovery has ignited one of the fiercest rows in anthropology.
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In a study that appears on Wednesday in the British journal Biology Letters, evolutionary zoologists at Imperial College London believe the hobbits may well have achieved their tininess naturally, through evolutionary pressure.
The principle under scrutiny here is called the "island rule."
Hawks has two posts on the island rule here and here.