Difficult General Knowledge Quiz

3. Atoms of the same element with different numbers of neutrons.
7. Primary energy carrier in cells
8. Introduced a number sequence that appears in nature.
11. Author whose novels critique British society with wit and irony.
12. Historic center of learning and trade in Mali.
14. Fundamental force that pulls objects with mass toward each other.
16. Early microbes that oxygenated Earth's atmosphere.
19. He introduced printing to Europe with a famous Bible.
20. British series featuring a time-traveling alien with many faces
21. Region of space with gravity so strong not even light escapes
22. South Korean film that won Best Picture with its upstairs/downstairs metaphor.
24. This man-made waterway links the Mediterranean and Red Sea.
25. A complex geometric shape that repeats at every scale.
26. The world's largest art museum, home of the Mona Lisa.

1. Japanese animation studio known for magical realism and hand-drawn beauty. Also recently had a lawsuit with an AI company for copying the art style.
2. She discovered polonium and radium and won two Nobel Prizes.
4. This empire lasted over 600 years and ended after World War I.
5. Substance that speeds up a chemical reaction without being consumed.
6. Double Helixed gene carrier
9. He envisioned a world of wireless energy and rivalled Edison.
10. Cell type specialized for transmitting electrical signals in the brain.
13. His theorem relates the sides of a right-angled triangle.
14. Approximately 1.618, it appears in nature and art
15. Ancient Greek who shouted “Eureka!” in a bathtub.
17. This artifact unlocked the secrets of Egyptian hieroglyphs.
18. Picchu Lost city of the Incas hidden in the Andes until 1911.
23. Mathematician who introduced the number e and made key contributions to graph theory