1. Question: What is the largest planet in our solar system? Answer: Jupiter 2. Question: What is the fastest animal on land? Answer: The cheetah 3. Question: What are the three layers of the Earth?

years ago in a cave near Les Eyzies in the Dordogne, France. Credit: SEARCHING: Our Quest for Meaning in the Age of Science Dr. Alan Lightman has been around the block a few times. Over the past five ...

Readers intent on enlightening me often send me books and essays written by them or, less often, others. Now and then one of these offerings grabs my attention before I hit “delete.” A recent example: ...