Archives for July 7, 2014

  1. Calendar of Cool: First Open-Heart Surgery

    Daniel Hale Williams

    This Wednesday, July 9, marks the 121st anniversary of the first open-heart surgery. A man with a knife in his chest was brought to Dr. Daniel Hale Williams at Provident Hospital in Chicago. Using no anesthesia, Dr. Williams removed the knife and repaired the heart of the patient, who lived for years after the procedure. […]

  2. Student Network Summer Series: Flying Machines

    This week, students who are following the DSN Summer Series are exploring FLYING MACHINES. They’ll be checking out the flying machines of the future and the past, and then trying their hands at designing some airplanes (paper) of their own! If you’re working with students this summer, encourage their imaginations to soar during this week’s Discovery Student Network Summer Series: Flying […]