Oddlets from Germany.
Hennig Brand was a 17th-century alchemist who spent both his wives' fortunes chasing gold. In 1669, he collected 1,500 gallons of urine, let it rot, then boiled it down and heated the paste for weeks. What came out wasn't gold — it was a waxy substance that glowed in the dark and burst into flames on its own. He'd discovered phosphorus, the first element ever isolated by a named individual. He went looking for gold in the most preposterous place imaginable and found light instead.