NOVA

What is the Endocannabinoid System?

THC, the psychoactive component of cannabis, binds to receptors in and outside of the brain, causing cells to behave differently. Cannabinoid receptors, named after cannabis, are found in nearly every organ of the human body.

What is the Endocannabinoid System?

3m 49s

  • A.I. Revolution: asset-mezzanine-16x9

    A.I. Revolution

    S51 E5 - 53m 30s

    A.I. tools like ChatGPT seem to think, speak, and create like humans. But what are they really doing? From cancer cures to Terminator-style takeovers, leading experts explore what A.I. can – and can’t – do today, and what lies ahead.

  • Hunt for the Oldest DNA: asset-mezzanine-16x9

    Hunt for the Oldest DNA

    S51 E4 - 53m 10s

    For decades, scientists have tried to unlock the secrets of ancient DNA. Follow the dramatic quest to recover DNA millions of years old and reveal a lost world from before the last Ice Age.

  • Building the Eiffel Tower: asset-mezzanine-16x9

    Building the Eiffel Tower

    S51 E3 - 53m 29s

    Explore the revolutionary engineering behind Paris’s iconic landmark. Completed in 1889, the iron tower smashed the record for the tallest structure on Earth, ushering in a new age of global construction that reached for the skies.

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