Leonardo da Vinci ... submerged person with air. Da Vinci even devised a pouch for collecting urine during extended ...

Long before Silicon Valley pitches or Shark Tank deals, there was Leonardo da Vinci ... The scuba suit Da Vinci designed a leather diving suit with breathing tubes and a bell float — made ...

Today marks the 500th anniversary of Italian polymath Leonardo da Vinci ... As an inventor, he drew blueprints and made prototypes of a parachute, tank, helicopter, diving suit, and many more.