#1 ∙ S1.E2 ∙ The Bow and Arrow, Gun, & Atomic Bomb2015Three weapons that led to the rise and fall of empires.6.6/10 (9)Rate
#2 ∙ S1.E3 ∙ Anesthesia, Antibiotics, & Organ Transplants2015Three life-saving medical marvels that revolutionized treatment and expanded the limits of medicine.6.5/10 (10)Rate
#3 ∙ S1.E1 ∙ The Helicopter, Scuba, & Space Travel2015Three technologies that gave us the opportunity to go where we had never gone before.6.4/10 (12)Rate
#4 ∙ S1.E4 ∙ The Telescope, X-Ray, & Electron Microscope2015Three feats of invention that revealed the world beyond and within in almost unthinkable detail.6.2/10 (8)Rate
#5 ∙ S1.E5 ∙ Trains, Cars, & Airplanes2015Three revolutionary modes of transportation that forever altered the way we live, work, and play.5.9/10 (11)Rate