The world has so many things that we don't know, the more we learn, the less knowledge we have.
1. Some cats are allergic to humans.
2. Every 14 days a world dialect disappears.
3. Ostrich eyes are bigger than their brains.
4. Nepal is the only country whose flag is not rectangular or square.
5. Every year, Mount Everest is 4mm taller.
6. In the summer, the Eiffel Tower is 15cm tall.
7. Trees help keep the city temperatures cooler.
8. Areca is burning more calories than laughing.
9. Pigs don't sweat.
10. Giraffe sleep very little.They only need to sleep from about 10 minutes to 2 hours.