Without evidence, there is no knowledge

My then 8-yr old daughter, Caley, in 2005 during a trip to Yellowstone National Park. She asked a good question, and wouldn’t accept for an answer anything that wouldn’t have also satisfied Einstein. Photo by the Author.

Many years ago, while driving through Yellowstone National Park with my eight-year-old daughter Caley, I mentioned we would soon need to stop for gas. She turned to me and asked, “How do you know?” I explained that she had just asked one of life’s most essential questions—one wor...