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

No comments:

Post a Comment

Old muscle stem cells can act young again but there’s a catch

Scientists at UCLA discovered a surprising reason aging muscles heal more slowly. In older muscle stem cells, a protein called NDRG1 builds ...