An immensely popular video platform is making a couple of significant changes, and today's show explains them. Our other topics this Friday include pollution in the Chinese capital, America's "fall back" to a different civil time, projected price changes for Thanksgiving foods, and new drones based on the bodies of old birds.

This Friday's news quiz covers topics featured throughout the week on The World from A to Z:

1. In what nation did Hurricane Otis make landfall recently after rapidly strengthening from a Category 1 storm to a Category 5 storm in less than 24 hours?

2. The Armistice of Mudros, which was signed on October 30, 1918, involved Britain (as a representative of the Allies) and what empire?

3. Organizers of a recent event in Argentina believe they’ve set a new record for the world’s largest gathering of people dressed as what?

4. Name the world’s second-tallest mountain, which is partially located in Pakistan and whose guides are known as porters.

5. A survey by the National Retail Federation indicated that Americans were planning to spend a record $12.2 billion on what, which was also expected to have a record number of participants?

6. An 80-inch painting called Water Lily Pond, which hasn’t been displayed or auctioned before, is expected to fetch around $65 million at Christie’s auction house. Who painted it?

7. Name one of the two nations that borders Iguazu Falls, where recent storms have led to high water levels with 6.4 million gallons flowing every second.

8. Veterinarians at an animal hospital in South Africa are working to rehabilitate what kind of unique creature, which is the only mammal that is completely covered in scales?

9. In what capital city, which is one of the most polluted on Earth, were as many as 100 million people under hazy skies this week amid relatively warm temperatures and high humidity?

10. This weekend, most Americans will “fall back” from daylight-saving time to what other form of civil time?