Crash Course History of Science - Season 1 Episode 45

TV's most-watched history series brings to life the compelling stories from our past that inform our understanding of the world today.

Researchers are pushing the boundaries of their fields to develop more accurate and efficient responses against international terrorism.

Geologist Iain Stewart explain in three stages of natural history the crucial interaction of our very planet's physiology and its unique wildlife....

Survival instructor Marc Mouret have 100 days to sharpen his body and mind to take on extraordinary challenges.

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

HISTORY’s longest-running series moves to H2. Modern Marvels celebrates the ingenuity, invention and imagination found in the world around us....