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77 illustrations
In 1983, a programmer named Richard Stallman launched the GNU Project with a radical idea: software should be free — not free as in no...
In John Bunyan's *The Pilgrim's Progress*, one of the most striking moments comes early in Christian's journey. He has been walking with an enormous burden...
Every autumn in the forests of northern Canada, the wood frog does something that should be impossible. As temperatures plunge, its body freezes solid. No...
Michelangelo Buonarroti approached sculpture differently than most artists of his era. While others saw a raw block of Carrara marble as blank material waiting to...
In 1941, Henri Matisse underwent surgery for abdominal cancer that left him largely confined to a wheelchair and, eventually, to his bed. The man who...