The whale that could walk
Season 51
Episode 1
About the Episode
A small furry carnivore that lived both on land and sea is the ancestor of modern whales.
Aired:
| Expires: | Runtime: 2m 48s
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Extras
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When Whales Could Walk Preview
Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.0:30 -
What Caused the Dinosaurs to Go Extinct?
How did an asteroid impact on one side of the planet cause global devastation?1:50 -
Inside Huawei: China’s Tech Giant
Working at Huawei can be intense - six day weeks and 12 hour days are the norm.3:40 -
Can DNA technology Help Rebuild a Family Tree?
A Black family uses DNA technology to unlock secrets of the past.3:28 -
How Malaria Shaped America
Today, Malaria is considered a tropical disease, but it wasn’t always that way.2:34 -
Why Mosquitos Are Humanity’s Deadliest Creature
About 80% of deaths caused by Malaria annually are young children, below the age of five.3:37 -
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Hagia Sophia: Istanbul's Mystery Preview
How has this unique structure, built on a seismic fault, survived centuries of quakes?0:30 -
Petra: Lost City of Stone Preview
How did early engineers carve tombs into rock cliffs and funnel water to this desert city?0:30 -
Lee and Liza's Family Tree Preview
A family turns to science in their struggle to rediscover a history obscured by slavery.0:30
