40-Year-Old Missing Woman Case Leads to More Questions Than Answers After It’s Solved

The More You Know

• Mount Rushmore cost less than $1 million.
• Ninety percent of the world’s population lives above the equator.
• War pigs were used in ancient warfare to counter against war elephants, which feared the pigs (and their squeals) and would bolt. War pigs were sometimes lit on fire to enhance this effect.
• Roughly 600 Parisians work at the Eiffel Tower each day.