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From Scholastic and the Scientists of the National Institute on Drug Abuse, National Institutes of Health, U.S. Department of Health and Human Services

Brain Power!

First published 2013

The brain excels at making predictions and clarifying confusion, thanks to a network of billions of cells called neurons. This vast network enables your brain to respond to the unexpected or the unclear. This includes solving puzzles, such as those below, as well as ducking when a ball flies at your head or eating when you feel hungry. Your amazing brain does all of this automatically—without your even having to think about it! Check out the brainteasers below to see the power of the brain in action, and answer the questions at the bottom of the page.

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Double Take

Your brain can see things that aren’t there. Does that mean you’re seeing things? No! Your flexible brain is so good at making sense of patterns that it can see two images in one image.

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