NOVA

Why Experts Say Permanent Daylight Saving Time is Unhealthy

The misalignment of our internal clocks and the sun could result in a handful of heath concerns, experts say.

Why Experts Say Permanent Daylight Saving Time is Unhealthy

4m 30s

  • 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.

  • Easter Island Origins: asset-mezzanine-16x9

    Easter Island Origins

    S51 E2 - 53m 17s

    The giant stone heads of Easter Island have inspired theories for centuries. Now, new research reveals intriguing evidence of the origins and inspirations of the ancient Rapanui people who created the iconic monoliths.

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