jorsari | Jan 29, 2009 | 
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Posted in Recommend It!
Illustration by Jon Berkley
Easy as 1, 2, 3
Dec 30th 2008
From The Economist print edition
People come into the world ready to count its wondersTHE baby is just one day old and has not yet left hospital. She is quiet but alert. Twenty centimetres from her face researchers have placed a white card with two black spots on it. She stares at it intently. A researcher removes the card and replaces it by another, this time with the spots differently spaced. As the cards alternate, her gaze starts to wander—until a third, with three black spots, is presented. Her gaze returns: she looks at it for twice as long as she did at the previous card. Can she tell that the number two is different from three, just 24 hours after coming into the world?
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Education, Child, Math, Learning (all tags)
