Origins

EP 1

The Helicopter, Scuba, & Space Travel

EP 2

The Bow and Arrow, Gun, & Atomic Bomb

EP 3

Anesthesia, Antibiotics, & Organ Transplants

EP 4

The Telescope, X-Ray, & Electron Microscope

EP 5

Trains, Cars, & Airplanes

EP 6

The Seismograph, Radar, & Satellite

EP 7

Skydiving, Mountaineering, & Running

EP 8

Fire, Matches, & Dynamite

EP 9

Three Manmade Marvels: The Great Pyramid, the Moai, & the Burj Khaifa

EP 10

City Makers: Skyscrapers, Subways, & City Parks

EP 11

The Control of Nature: Dams, Highways, & Canals

EP 12

The Horse, Bicycle, & Motorcycle

EP 13

Samurai, Knights, & Special Forces

EP 14

Tank, Combat Aircraft, & Military Drone

EP 15

Writing, Libraries, & Internet

EP 16

Monarchy, Democracy, & Communism

EP 17

Submarines, Battleships, & Armadas

EP 18

Painting, Photography, & Motion Pictures

EP 19

Dentists, Eye Doctors, & Psychology and Psychiatry

EP 20

Gods, Ghosts, & UFO's

EP 21

Plagues, Economic Collapse, & Nuclear War

EP 22

Fishing, Farming, & Animal Farms

EP 25

Exploration, Mapping, & Exploring Space

EP 26

Mining, Steel, & Oil