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ADHD’s Brain Trail: Cerebral clues emerge for attention disorder
A new brain-imaging investigation suggests that disturbances in a network of regions involved in regulating actions and attention underlie the childhood psychiatric ailment known as attention-deficit hyperactivity disorder.
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- Math
The Cow in the Classroom
“Miss Zarves drew a triangle on the blackboard. ‘A triangle has three sides,’ she said, then pointed to each side. ‘One, two, three.’ She drew a square. ‘A square has four sides. One, two, three, four.’ “She walked around the cow to the other side of the board.
