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When Whales Could Walk

Season 51 Episode 1 | 53m 35s

A spectacular fossil graveyard reveals a 43-million-year-old whale that had four legs and could walk. Follow scientists as they search for new clues to how mammals moved from land into the sea to become the largest animals on Earth.

Aired: 01/30/24 | Expires: 12/31/26
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust and PBS viewers.
Extras
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Step into the stunning cave that’s reshaping our understanding of prehistoric art.
Witness how Native North Americans have generated scientific knowledge over thousands of years.
Follow the relentless quest that led to a breakthrough treatment for a deadly disease.
Inside one mother's fight to ensure a healthy life for her child with cystic fibrosis.
Inside the race to bring life-saving genetic therapies to every person living with cystic fibrosis.
Glaciologist Brent Minchew on the “Doomsday Glacier," a bold fix, and his path from the Marines.
Jordan Ellenberg discusses the math behind AI, strange geometry, and living with uncertainty.
Homo sapiens weren't alone. Discover the lost human species that once shared our world.
MIT's Daniela Rus discusses AI without data centers and its potential in robotics.