Lee and Liza's Family Tree Preview
Season 50
Episode 18
About the Episode
Many descendants of enslaved people have little record of their family's ancestry. Follow one family's quest to discover their lost history, and see how science and genealogy can help rebuild a family tree broken by slavery. Join filmmaker Byron Hurt at his extended family reunion as they celebrate the joy of family in the African diaspora and discover new details of their history.
Aired:
| Expires: | Runtime: 30s
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Extras
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A Hidden Cause of Sinkholes Is Lurking Underground
About 40% of the U.S. is susceptible to sinkholes.2:21 -
The Mysterious Illness That Befell Eiffel Tower Construction Workers
Building the massive Eiffel tower on the bank of the Seine River posed more than one challenge.2:50 -
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The Birth of Artificial Intelligence
The origins of modern AI can be traced back to World War II.3:24 -
How Did Whales Evolve From Land Mammals?
The story of whales’ evolution from land mammals is hidden in their genes.3:08 -
Are Your Online Passwords as Safe as You Think?
Your dog's name, birthday, and zip code do not make secure passwords.2:22 -
The Deepest Underground Lab in the U.S.
A team of researchers hunt for dark matter deep underground in the Black Hills of South Dakota.1:44 -
Inside the Construction of the Statue of Liberty
The Statue of Liberty was one of the most innovative engineering feats of it’s time.2:59 -
How Vera Rubin broke barriers in astronomy
Vera Rubin's work provided convincing evidence for a mysterious substance, dark matter.4:04 -
What Dating Apps Know About You
You might be collecting matches, but dating apps are collecting your data.2:51
