Those two subjects star throughout today's show, as we report on a frosty view of Niagara Falls, the flower industry that's crucial to Colombia, and a honeybee study that could help us better understand the vital insects. We're updating what's known about a tragic air crash near Washington, D.C. and what the NTSB's role is going forward. And our historic topics include the passage of the 13th Amendment and the "Brexit" from the European Union.

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

1. What South American nation, which is a major exporter of coffee, became involved in a short-lived dispute with the U.S. this week over deportation flights?

2. Though it’s not the most widely used ingredient of its kind, what type of food dye is the U.S. government planning to ban starting in 2027?

3. January 27th marked the 80th anniversary of the liberation of what Nazi death camp, an infamous facility located in Poland?

4. In what war-torn Middle Eastern country are farmers in Marib province expected to produce 248,000 tons of oranges this year, though there are numerous difficulties in distributing them?

5. What novel, which was written by Jane Austen, was first published on January 28, 1813 and hasn’t been out of print since then?

6. A Japanese adventurer, who was running while carrying a rickshaw, recently completed a 3,700-mile journey across what continent?

7. Wednesday’s show discussed the apparent cutting of undersea cables, which are vital to international communications, in what specific body of water?

8. What is the name of the new artificial intelligence (AI) application that recently became the most downloaded in the U.S. and raised questions about investments and free speech?

9. An agricultural region of Turkey has seen an increase in what kind of dangerous ground formations, which are believed to have been caused by both natural and human activity?

10. Scientists recently announced their findings after gluing tiny QR codes on the backs of what insects, which play important roles in the environment and food supply?