Tell me top 10 facts for 30 seconds timing

Sure, here are ten random facts in 30 seconds:

1. The world’s largest desert, the Sahara, is bigger than the entire continent of Europe.
2. Elephants can communicate with each other using infrasonic sounds that are too low for humans to hear.
3. The shortest war in history was between the countries of Zanzibar and Great Britain in 1896, lasting only 38 minutes.
4. The human nose can detect over 1 trillion different smells.
5. The tallest waterfall in the world is Angel Falls in Venezuela, measuring 979 meters (3,212 feet) tall.
6. The world’s oldest continuously inhabited city is Jericho, located in the West Bank, which has been continuously inhabited for over 11,000 years.
7. The first ever recorded use of the word “hello” as a greeting was by Thomas Edison in 1877.
8. The only letter that does not appear in any U.S. state name is “Q”.
9. Cows have best friends and get stressed when they are separated from them.
10. The first website ever created, info.cern.ch, is still online and active to this day.