1. No piece of paper can be folded more than nine times.

2. "Holding hands and growing old together" was originally used to describe the feelings between comrades-in-arms.

3. A day on Earth was 18 hours a billion years ago. As the Earth's rotation slows down, a day on Earth will be 960 hours in the future.

4. Before the Song Dynasty, ordinary people only ate two meals a day. After the Song Dynasty, the curfew was lifted, and an additional meal was added.

5. The Michelin-starred restaurant was founded by the same Michelin-starred restaurant that sold tires.

6. Adults cannot breathe and swallow at the same time.

7. In ancient times, "a little bird clinging to a man" was used to describe a boy.

8. Pearls will dissolve in vinegar.

9. Pigs cannot look up at the sky.

10. Feeling ugly all the time may indicate a form of body dysmorphic disorder.