In her book Counterclockwise, Harvard professor Ellen Langer recounts a groundbreaking study she did in 1979 that has since become the stuff of legend.
Showing posts with label Voluntary System. Show all posts
Showing posts with label Voluntary System. Show all posts
Friday, 21 September 2012
Are you only as young as you feel?
In her book Counterclockwise, Harvard professor Ellen Langer recounts a groundbreaking study she did in 1979 that has since become the stuff of legend.
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