Monday, May 18, 2026

Scientists think they’ve cracked the mystery of human right-handedness

A new study suggests humans became overwhelmingly right-handed because of two major evolutionary shifts: walking on two legs and developing much larger brains. Researchers found that as human ancestors evolved, their right-hand preference steadily intensified — transforming a mild tendency into one of humanity’s most distinctive traits.

from Top Health News -- ScienceDaily https://ift.tt/mAiY4M8

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Stanford scientists regrow lost cartilage and reverse arthritis in major breakthrough

A new treatment that blocks an aging-related protein restored lost cartilage in old mice and helped prevent arthritis after knee injuries. H...