# These Fossils May Be the Earliest Evidence of Handedness in Animals

- Published: 2026-07-09T16:28:59Z
- Updated: 2026-07-11T11:32:25Z
- Section: Science & Environment
- Language: English (en)
- Source: The New York Times — https://www.nytimes.com/2026/07/09/science/fossils-earliest-handedness-righties.html
- Tags: The New York Times · Science
- Canonical: https://www.khabarestan.com/en/news/%D8%A7%D8%B3%D8%AA%D8%AE%D9%88%D8%A7%D9%86%D9%87%D8%A7%DB%8C-%D8%A8%D8%A7%D8%B3%D8%AA%D8%A7%D9%86%DB%8C-%D8%B4%D9%88%D8%A7%D9%87%D8%AF%DB%8C-%D8%A7%D8%B2-%D8%AF%D8%B3%D8%AA%D9%85%D8%AD%D9%88%D8%B1%DB%8C-%D8%AF%D8%B1-%D8%AD%DB%8C%D9%88%D8%A7%D9%86%D8%A7%D8%AA-%D8%A7%D9%88%D9%84%DB%8C%D9%87

Scientists propose that recently uncovered fossils may be the earliest evidence of behavioral “handedness” in animals.

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