Doctors Thought Woman Was 30 Weeks Pregnant but the Truth Was Even Crazier

The More You Know

• A single lightning bolt has enough energy to toast 100,000 slices of bread.
• The sun and moon appear to be the same size in the sky because of an astonishing coincidence: the moon is 400 times smaller but 400 times closer.
• Mysterious sand dune holes baffled Indiana for years.
• The word "muscle" comes from a Latin term meaning "little mouse."