Secrets of The Brain (1) (S61E03)

Professor Jim Al-Khalili, a theoretical physicist, embarks on an exploration that spans 600 million years of evolution to reveal the origins of the human brain, the most intricate structure in the universe. With approximately 100 billion neurons and over 100 trillion connections—outnumbering all the stars in the Milky Way—the human brain stands as one of nature's remarkable accomplishments. Yet, how did such an extraordinarily complex entity emerge from its primitive roots?