Can Lightning Strike the Same Place Twice?

If the groundhog sees its shadow, there will be six more weeks of winter. Moss grows only on the north side of a tree. No two snowflakes are alike. You may have heard these common sayings or beliefs before. But are they really true? Can they be proven using science? Let’s investigate seventeen statements about Earth, weather, and the environment and find out which ones are right, which ones are wr...