What were the top-three highest charting singles of the 2010s?

🧠 Trivia: In which country was Albert Einstein born?

🎌 True or False?... Switzerland is the only country with a square flag.

🤔 Riddle Me This: What ancient invention allows people to see through walls?

🌱 Know your roots... Guess the definitions of the following Greek/Latin root words:

1. Bull
2. Caps
3. Crisp
4. Ed
5. Feder