As you scroll through these words with a swipe of the finger or click of the mouse, you're likely doing it with the same hand you use to write or swing a bat. But why? Science has told us that our favoring of our right or left hands could be traced back to our roots as thumb-sucking fetuses, where the brain directs such movements, but new research out of Germany is casting doubt on this thinking, suggesting that it all begins in the spinal cord instead.
.. Continue Reading Righty or lefty? Your spinal cord may have decidedCategory: Medical
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from New Atlas http://ift.tt/2m8k3MP
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