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  1. Autism Advance: Mutated genes disrupt nerve cell proteins

    Two gene mutations that cause autism suggest that nerve cell connections called synapses are key to the disorder.

    By John Travis
  2. Math

    Poe’s Secret

    Writer Edgar Allan Poe (1809–1849) is famous for his short stories of the mysterious and the macabre. His popular tale “The Gold-Bug,” published in 1843, is often cited as one of the best works of fiction that turn upon a secret message. Poe had a longstanding interest in cryptology. When he became editor of Graham’s […]

    By Ivars Peterson
  3. Math

    Poe’s Secret

    Writer Edgar Allan Poe (1809–1849) is famous for his short stories of the mysterious and the macabre.