Deliberately infecting people with malaria has been used to cure different viral infections. The high fever will strengthen the immune system and fight the virus. In recent times this has been considered as a treatment to HIV.

The world's largest book, "Bhutan: A Visual Odyssey" is in a Chicago public library. The book measures 5 feet tall by 7 feet wide when open. It weighs 133 pounds.

Sex burns 360 calories per hour.

AMAZING FACTS