7. Folding paper until it’s large as the universe.
If you fold it 103 times, the thickness of your paper will be larger than the observable Universe: 93 billion light-years.
8. Pineapple not sweet enough?
Adding salt to pineapple will actually make it sweeter.
9. All the gold we’ve mined.
If you could somehow put together all the gold that man has ever mined into one place, you could only build about one-third of the Washington Monument.