DO NOT look up the answers to these questions. Let's see how many you can get correct. 1. The 10th president of the U.S. has two living grandchildren. 2. When you get a kidney transplant, they usually just leave your original kidneys in your body and put the 3rd kidney in your pelvis. 3. If you melted down the Eiffel Tower, the pool of iron would be less than 3 inches deep (in a square area the same dimensions as the tower base). 4. The brother of John Wilkes Booth saved Abraham Lincoln's son from being hit by a train without knowing who it was he saved. 5. If you have 23 people in a room, there is a 50% chance that 2 of them have the same birthday. 6. The total amount of gold in the world, if fitted into one solid structure, would easily fit on a football field, and be less than 20 feet high.