Following up on Wednesday's report about a blue-collar job "boom," today's show reveals how one young worker landed a fulfilling job without a traditional, four-year college degree. Other topics include a significant event in a Middle Eastern war, the efforts of Ethiopian scrap collectors to earn a living, and the name origin of the body's thickest tendon. We're also showing you the happy reunion of a retired U.S. soldier and the dog he served with.

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

1. What renowned and controversial explorer was the subject of new research that suggested he was likely of Spanish and Jewish descent instead of Italian, as was long believed?

2. What constitutional amendment, which was ratified in 1951, limited a U.S. president to being elected only twice? 

3. On Monday, NASA launched a new spacecraft that’s aiming to do a series of “fly-bys” to study what moon, which is one of dozens that orbit Jupiter?

4. This week, the United States deployed an advanced missile system (along with 100 troops to operate it) to what Middle Eastern country, despite a warning from Iran?

5. The Reuters news agency reports that every family in the Nigerian village of Igbo-Ora has at least one set of what?

6. Name the white abolitionist who led the raid of a U.S. armory in Harpers Ferry, Virginia on October 16, 1859 – an effort that ultimately failed but was still influential ahead of the Civil War.

7. In the late 1600s, Dutch scientist Antonie van Leeuvenhoek became the first researcher to observe what organisms?

8. In what African nation, which is located between South Africa and Zambia, is an effort to provide students with bicycles intended to keep them safer from local wildlife?

9. This week, Israel announced it had DNA evidence that it had killed the leader of what Palestinian militant group, which Israel has been at war with since last October?

10. What is the human body’s thickest tendon, which was named for a figure in Greek mythology who had a famous weakness?