NOVA treks with a group of Himalayan climbers in their quest to reach the summit of Everest, along the way exploring in never-before-conducted tests how extremes of weather and altitude affect the human mind and body. Why do some people succumb so quickly to the ills caused by high altitude while others do not? Does exposure to extreme hypoxia-or lack of oxygen-take a lasting toll on the mind and body? Images of the brain scanned before and after the expedition may reveal truths about the physical traumas suffered in an oxygen-depleted environment, and give us new insight into why the tallest mountain in the world has claimed so many victims.

NOVA Season 25 Episodes...

• s25e01 - Coma
• s25e02 - Faster Than Sound
• s25e03 - Bomb Squad
• s25e04 - The Proof
• s25e05 - Wild Wolves With David Attenborough
• s25e06 - Super Bridge
• s25e07 - Treasures of the Sunken City
• s25e08 - Avalanche!
• s25e09 - Danger in the Jet Stream
• s25e10 - Night Creatures of the Kalahari
• s25e11 - Mysterious Mummies of China
• s25e12 - Supersonic Spies
• s25e13 - Animal Hospital
• s25e14 - The Brain Eater
• s25e15 - Everest - The Death Zone
• s25e16 - Search for the Lost Cave People
• s25e17 - Warnings from the Ice
• s25e18 - Crocodiles! With David Attenborough
• s25e19 - The Truth About Impotence

NOVA Show Summary

Seen in more than 100 countries, NOVA is the most watched science based television series in the world and the most watched documentary series on PBS. It is also one of television's most acclaimed series, having won many major television awards, most of them many times over.