The Popsicle was invented by 11 year-old Frank Epperson in 1905. He left his drink outside with a stir stick in it and he noticed that it had frozen. He applied for a patent in 1923 and named it "Epsicle." The name was later changed to Popsicle.

An orca whale can hold its breath for up to 15 minutes.

The largest stamp was issued by China and measured 210 x 65 mm.

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