Fósiles gigantes en el Sahara revelan nuevos secretos sobre la evolución de las ballenas.
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.
AIR DATE 7/16/25
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