1. Who is credited with inventing the light bulb?

2. Who was known as the “Father of Modern Physics”?

3. Which art technique, meaning 'vanished' in Italian, did Leonardo use for the Mona Lisa?

4. What is the phenomenon where black holes emit thermal radiation called?

5. What is the famous 'taxicab number' associated with Ramanujan?

6. What was the name of the German encryption machine that Turing helped crack?

7. What was the name of the ship Charles Darwin sailed on during his five-year expedition?

8. From which plant did Tu Youyou extract the malaria-fighting compound Artemisinin?

9. Which crop did Carver famously promote to restore nitrogen to the soil?

10. What was the name of the chemical pesticide that Rachel Carson's work helped to ban?

11. Which Stravinsky ballet famously caused a riot at its Paris premiere in 1913?

12. Which city did Mansa Musa transform into a major center for Islamic scholarship and trade?

13. Which visualization tool did Humboldt invent to show areas of equal temperature on a map?

14. Which of Beethoven's symphonies was the first to feature a choir?

15. What is the common name for the transposable genetic elements McClintock discovered?

16. What fundamental law of physics did Chien-Shiung Wu's experiment disprove?

17. Which of these substances did Alfred Nobel invent to make nitroglycerin safer to use?

18. For which of these molecules did Dorothy Hodgkin determine the structure?

19. In which ancient city did Hypatia live and teach?

20. Which part of the psyche, according to Freud, is governed by the 'pleasure principle'?