6 questions, easy to hard, then Ivy's pick. Here is every answer, and why.
Answer: Sudoku. Despite the Japanese name it was invented in the US in 1979 as 'Number Place'. A Japanese publisher renamed it; a New Zealander then sold it to The Times.
Answer: Alexander Graham Bell. Elisha Gray filed a rival claim the same day. In 2002 the US Congress recognised Antonio Meucci, who had demonstrated a device years earlier but could not afford the patent.
Answer: False. Leaving coins on the table can get a waiter chasing you down the street to return them; good service is considered part of the price. The same is broadly true in South Korea and China.
Answer: Monty Python. In the 1970 sketch, a café menu offers nothing but Spam and Vikings drown out conversation chanting 'Spam, Spam, Spam'. Early internet users borrowed it for messages that flooded out everything else.
Answer: Greenland shark. Estimated at 250 to 500 years, reaching maturity at about 150. One caught in 2016 was dated at roughly 400 years old.
Answer: True. Two Spanish cities, Ceuta and Melilla, sit on the African coast, surrounded by Moroccan territory and high fences. They are the European Union's only land borders in Africa.
6 new questions. Free, no sign-up. Ivy judges every answer.
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