Left- Or Right-Handed

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Left- Or Right-Handed

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According to a brand new study in the journal eLife, it is definitively nothing to do with our brains or our neurological development. In a rather satisfying plot twist, it seems that your left- or right-handedness is actually ingrained in your biological workings from before you were born, but in the form of a particular hubbub of gene activity in the spine, not the brain.

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Left- Or Right-Handed

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