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Cuando Las Ballenas Caminaban

53m 30s

Un espectacular cementerio de fósiles revela una ballena de 43 millones de años que tenía cuatro patas y podía caminar. Sigue a los científicos en su búsqueda de nuevas pistas sobre cómo los mamíferos se trasladaron de la tierra al mar para convertirse en los animales más grandes de la Tierra.

Aired: 07/15/25
National Corporate funding for NOVA is provided by Carlisle Companies. Major funding for NOVA is provided by the NOVA Science Trust, the Corporation for Public Broadcasting, and PBS viewers.
Extras
Idaho farmer calls for new look at immigration policy amid raids
'John and Jim' symphony honors marriage equality with its future increasingly in doubt
News Wrap: 2nd party exits Netanyahu's parliament coalition, leaving him with a minority
Palestinian American ambushed on family land and killed by Israeli settlers, cousin says
Canadian tourism to U.S. drops dramatically amid Trump's harsh rhetoric
Rural public media at risk as Congress moves toward funding cut
What to know about the crypto regulation bills
July 16, 2025 - PBS News Hour full episode
John Sawers; Jason Furman; Gillian Tett; Wes Moore
Gov. Wes Moore (D-MD) discusses how federal policy is impacting Maryland.
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