Ancient Proteins Crack a 2-Million-Year-Old Human Relative Mystery

Protein evidence reveals hidden variation in P. robustus. The species may be more complex than once believed. For close to a hundred years, researchers have examined puzzling fossils belonging to a distant and unusually robust relative of early humans, known as Paranthropus robustus. This upright-walking species was adapted for powerful chewing, equipped with large jaws […]

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