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Episode 1514

Space Cadet

We have books for language-lovers and recommendations for history buffs. • How did the word boondoggle come to denote a wasteful project? The answer involves the Boy Scouts, a baby, a craft project, and a city council meeting. • Instead of reversing...

Episode 1509

Ding-Ding Man

In 1803, a shy British pharmacist wrote a pamphlet that made him a reluctant celebrity. The reason? He proposed a revolutionary new system for classifying clouds — with Latin names we still use today, like cumulus, cirrus, and stratus. Also: when...

Da Vinci Riddle

In Leonardo da Vinci, biographer Walter Isaacson notes that da Vinci was fond of riddles, including this one: Winged creatures will support people with their feathers. This is part of a complete episode.

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