Opposable thumbs: a pretty cool appendage that has served humanity well since our earliest tool-making days, and one that, over the last 15 years or so, has been given a new kind of workout by the advent of texting. Theres probably never been a batch of humans, in fact, whose thumbs have been used for so many precise movements. And, if a new study is any indication, all this texting is leaving an imprint on our brains.
Posted on: Tue, 23 Dec 2014 20:02:30 +0000
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