An 80-Year-Old Prank Revealed, Hiding in the Periodic Table! – Phenomena: Curiously Krulwich

http://phenomena.nationalgeographic.com/2015/11/23/an-80-year-old-prank-is-revealed-hiding-in-the-periodic-table/?sf15759139=1

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First saved: 2015-Nov-25 (Wed)
Last checked: 2015-Nov-25 (Wed), response 200