Leonardo da Vinci was a Renaissance genius. Not only did he paint masterpieces of art, but he was an obsessive scientist and inventor, dreaming up complex machines centuries ahead of his time, including parachutes, armored tanks, hang gliders, and robots. On the 500th anniversary of Leonardo’s death, with the help of biographer Walter Isaacson, NOVA investigates the secrets of Leonardo’s success.
Can new engineering techniques help prevent deadly bridge collapses?
Amazing fossils reveal how mammals took over after an asteroid wiped out the dinosaurs.
Discover why scientists and entrepreneurs alike have their sights set on the Moon again.
