Alzheimer's ravages the minds of over 40 million victims worldwide. Join scientists as they untangle the cause of this tragic illness and go behind the scenes of major drug trials to discover the therapies that may slow and even prevent the disease.

NOVA Season 43 Episodes...

• s43e01 - Dawn of Humanity
• s43e02 - Arctic Ghost Ship
• s43e03 - Secrets of Noah's Ark
• s43e04 - Cyberwar Threat
• s43e05 - Animal Mummies
• s43e06 - Making North America: Origins
• s43e07 - Making North America: Life
• s43e08 - Making North America: Human
• s43e09 - Inside Einstein's Mind
• s43e10 - Secret Tunnel Warfare
• s43e11 - Life's Rocky Start
• s43e12 - Mystery Beneath the Ice
• s43e13 - Himalayan Megaquake
• s43e14 - Creatures of Light
• s43e15 - Memory Hackers
• s43e16 - Iceman Reborn
• s43e17 - Rise of the Robots
• s43e18 - Vikings Unearthed
• s43e19 - Can Alzheimer's Be Stopped?
• s43e20 - Wild Ways
• s43e21 - Operation Lighthouse Rescue
• s43e22 - Bombing Hitler's Supergun

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.