
How Many Leaves Are on a Tree? Kirk Johnson
Apr 29, 2026 - 01:34
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What if whales had legs? Once upon a time, they did. Sort of. An astonishing fossil trail shows that modern whales actually evolved from hooved land mammals. Whales still carry the fingerprints of this past, from their s...
When Whales Could Walk is an episode from NOVA Now by GBH. What if whales had legs? Once upon a time, they did. Sort of. An astonishing fossil trail shows that modern whales actually evolved from hooved land mammals. Whales still carry the...
This episode belongs to NOVA Now.
Use the player on this page to stream the episode online.
Published Apr 14, 2026, 18:28 long, audio available.
What if whales had legs? Once upon a time, they did. Sort of. An astonishing fossil trail shows that modern whales actually evolved from hooved land mammals. Whales still carry the fingerprints of this past, from their stomach anatomy to their swimming gait. Dive in to discover the wild story of how whales traded legs for fins, as we uncover clues about their ancestors, as well as their unlikely present-day relatives. To watch the full film, visit Learn more about NOVA and
You can listen to When Whales Could Walk online on Radio and Podcast. Open the player on this page to stream the available audio.
When Whales Could Walk is an episode from NOVA Now by GBH.
This episode is 18:28 long.
This episode was published on Apr 14, 2026.
Yes. Use the heart button on the episode page to add it to your favorite episodes list.
Yes. This page shows related episodes from NOVA Now when more episodes are available from the podcast feed.
You can listen to When Whales Could Walk on this page when the episode audio is available from the podcast feed.
When Whales Could Walk is from NOVA Now by GBH.
Published Apr 14, 2026 and 18:28 long