WASHINGTON (Reuters) – Scientists examining the jawbone of a saber-toothed, mammal-like beast that prowled Tanzania 255 million years ago have come across a remarkable fossil rarity: one of the oldest-known tumors.
WASHINGTON (Reuters) – Scientists examining the jawbone of a saber-toothed, mammal-like beast that prowled Tanzania 255 million years ago have come across a remarkable fossil rarity: one of the oldest-known tumors.