Trivia: Which country’s flag is widely regarded as the world’s oldest continuously used national flag?
Trivia: What is the only group of mammals that lay eggs?
Trivia: Which company created Post-it Notes after developing a low-tack reusable adhesive by accident?
Trivia: The deepest natural point in Earth’s oceans—Challenger Deep—is in which trench?
Trivia: Culinary classic: Saffron consists of which plant part?
Trivia: The first successful human organ transplant (with long-term survival) was performed in 1954 and involved which organ?
Trivia: Which two letters do not appear in any chemical element symbol?
Trivia: Which 1964 U.S. Supreme Court case established “one person, one vote” for state legislative districts?
Trivia: Which city opened the world’s first underground railway in 1863?
Trivia: What was the first video game played in space (by a cosmonaut on a Game Boy in 1993)?
Trivia: What mineral gives the planet Mars its distinctive red color?
Trivia: The medical discovery of insulin as a treatment for diabetes occurred in which decade?
