منتدى شدات ببجي - اخبار الشرق الأوسط والعالم NEWS Tiny knee bone linked to arthritis may have helped humans walk upright, scientists su

Tiny knee bone linked to arthritis may have helped humans walk upright, scientists su

NEWS

sarah sarah Ahmed

A tiny knee bone linked to a common type of arthritis may have helped humans to evolve from walking on all fours to standing upright, scientists suggest.

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