50, 100 & 150 Years Ago.

• Localización: Scientific American, ISSN 0036-8733, Vol. 294, Nº. 5, 2006, págs. 12-12
• Idioma: inglés
• Texto completo no disponible (Saber más ...)
• Resumen

  • Brief articles from past editions are presented. Two articles from 1956 are entitled "The Hardwired Brain" and "Disloyalty Test." Two items from 1906 are entitled "San Francisco Aftermath" and "War and Disease". The last two notes are from 1856 and are entitled "Land Surveyor" and "Criminals Beware."