Why Are Some People Left-Handed?

10% of the world's population is left-handed. But why? Watch to see Thoughty2 explain why some people are left-handed.
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Thoughty2 (Arran) is a British YouTuber and gatekeeper of useless facts. Thoughty2 creates mind-blowing factual videos, on the weirdest, wackiest and most interesting topics. Combining fascinating lists with answers to life's biggest questions.

Видео Why Are Some People Left-Handed? канала Thoughty2