Problem: Name the world's first commercially operational jet passenger plane. It first operated from London to Johannesburg in 1952.
Answer: de havilland comet

Problem: "What French phrase means ""sea-sickness""?"
Answer: mal de mer

Problem: What number turned on its side (rotated 90 degrees) is the symbol for infinity?
Answer: 8

Problem: The men travelling as whose crew were the first known humans to reach and cross the Antarctic Circle in 1773?
Answer:
captain james cook