1. 40% of twins invent their own languages.
2. People in Costa Rica are only allowed to drive six days a week, to cut down on traffic and pollution. The last digit of your license plate number dictates what day you’re not allowed on the road.
3. Not a single NBA player has ever had the jersey number 69.
4. By age 70, your body has shed 105 pounds of skin.
5. Just thinking positively can help you live longer. Studies have found that optimism is associated with a lower risk of heart disease, and people who score highly on tests of optimism live 5% to 15% longer than pessimistic people.