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4 Episodes 2025 - 2025
Episode 1
Top brain surgeon Henry Marsh is facing his own life-threatening diagnosis. He reveals the huge risks and emotional impact of a job filled with difficult life-and-death decisions.
Episode 2
Dr Chris van Tulleken investigates a mysterious virus that could cause the next pandemic, one scientists think will be deadlier than Covid-19. This is a global hunt to uncover 'Disease X'.
Episode 3
Professor Jim Al-Khalili unravels the mystery of how the most complex structure known in the universe - the human brain - came to exist.
Episode 4
From playing computer games with chimpanzees to studying modern relationships, Jim Al-Khalili investigates how the brain evolved and how it differs from AI.