When I was a kid, I remember watching as a neighborhood boy was chased out of his house by his mother. She ran after him, shouting, “I’ll teach you to back-talk me!” I was confused. Surely, this boy ...

From infancy on, the boy was in trouble. He was a good boy, but he couldn't seem to get things together. At times, his parents felt like pulling out their hair. Johnny had to try everything -- smoking ...

For thousands of years, people have known that the best way to understand a concept is to explain it to someone else. “While we teach, we learn,” said the Roman philosopher Seneca. Now scientists are ...