A teacher is explaining biology to her 4th-grade students. "Human beings are the only animals that stutter," she says. A little girl raises her hand. "I had a kitty cat who stuttered." The teacher, knowing how precious some of these stories...

This hard riddle is meant to trip you up. There’s no doubt that this riddle will have your brain working at the fullest, maximum capacity if you hope to solve them. Now, the riddle today is: Hard Riddle: What can travel...