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Answer: To become a disc
Why: Ed Headrick patented the modern Frisbee in 1967; at his own request, his ashes were molded after his 2002 death into memorial discs.
Answer: North America
Why: Native only to the Carolinas around Wilmington, though seed scattered in the 1930s left flytraps growing wild in the Florida Panhandle.
Answer: To mourn their cats
Why: Herodotus writes that in a house where a cat died naturally the whole household shaved the eyebrows only, but for a dog they shaved the entire body.
Answer: 52
Why: The joker sits outside the 52: it was invented in 1860s America as the top trump for the card game Euchre.
Answer: English
Why: English tops 1.5 billion speakers, but only about a quarter are native. Mandarin Chinese leads on first-language speakers.
Answer: honey
Why: Jars of it turned up in Tutankhamun's tomb in 1922, and the excavators reportedly tasted the contents and found them still sweet.