What am I made of? How do I know I'm real?Will I still be the same person at eighty? Following up on the success of Really, Really Big Questions, and Really, Re

An introduction to philosophy which uses clear analogies to explore some of life's biggest moral and scientific questions, including the origins of the universe

Provides answers to question about human existence and the human body, such as how does the brain work and how do people see; and includes illustrations, braint

"In a world that doesn't always welcome big questions, a persistent and inquisitive girl keeps asking them anyway--because asking questions is how we learn and

Why do zebras have stripes? Why do we close our eyes when we sneeze? Why are farts flammable? Why do we have recessions when we can just print more money? If yo