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  "path": "/releases/2026/05/260517211429.htm",
  "publishedAt": "2026-05-18T04:15:07.000Z",
  "site": "https://www.sciencedaily.com",
  "textContent": "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.",
  "title": "Scientists think they’ve cracked the mystery of human right-handedness"
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