Even though they've detected virus material in the U.S. food supply, health officials say the threat to people is minimal. Even if mountain bikers and other athletes don't fall, they can still get concussions from rough outings. Even if they seem to mean different things, we explain why "driveway" and "parkway" have kept their names for decades. And even though a mother duck temporarily lost her babies, officers have reunited the feathered family.

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

1. As featured Monday: Divers in the southeast Asian country of Myanmar (Burma) are risking their lives and braving murky river waters to earn $12 - $14 per week doing what?

2. Elkhorn is a suburb (or neighborhood) in what U.S. state, which along with Iowa bore the brunt of a devastating tornado outbreak that occurred last Friday?

3. In what nation of East Africa did a dam collapse early this week, sending floodwaters into homes and onto roads and worsening conditions brought by weeks of heavy rain?

4. While there is at least one national park in every U.S. state, what state has 28 of them – the most in the country?

5. What part of the human body, which has 20 main muscles, was recently replicated in an expressive robot that was fitted with 26 “muscles”?

6. A competition recently held in the United Kingdom gave out awards for what kind of popular food, which is thought to have originated in Portugal and is made with just a few ingredients?

7. Lisa Pisano recently became the second living patient to receive a transplant of a genetically modified kidney from what animal?

8. Following a violent campaign season during which 20 political candidates have been killed, what nation is scheduled to hold its largest-ever election in less than a month?

9. H5N1 is the scientific term for what virus, which has sickened different animal species but poses a low risk to humans?

10. Calvert Vaux and Frederick Law Olmsted were landscape architects who designed what famous landmark?