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energetics

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The real story of myosin, jaw muscles, and ancient brains

The provocative idea that our genus arose with a deactivated muscle gene turned out to be wrong.

Bonobo and gorilla head and neck, showing ecorché muscles on the left side of each
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Why do male bonobos have such low body fat?

Work by Adrienne Zihlman and Debra Bolter looks at the interesting tissue proportions and what they may imply about energy and diet.

Bonobo leaning toward the left into the camera frame, with green vegetation background