1816 Rene Laennec invents the stethoscope - Deepstash

1816 Rene Laennec invents the stethoscope

  • 1818 James Blundell performs the first successful transfusion of human blood
  • 1842 Crawford W. Long uses either as a general anesthetic
  • 1844 Dr. Horace Wells uses nitrous oxide as an anesthetic
  • 1846 William Morton, a dentist, is the first to publish the process of using anesthetic properties of nitrous oxide
  • 1847 Ignaz Semmelweis discovers how to prevent the transmission of puerperal fever

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timeline

β€œI like to challenge myself and give myself a timeline. It pushes me to be more creative and actually do these things, not just dream about them.”

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Music and Productivity

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How to choose the right music for different tasks

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