Literal Animal Planets -- Wildlife Wednesday
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4:26
Where Religious Symbols Come From -- That Happened Thursday
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6:51
World War II's Unluckiest Ship, the William D. Porter
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26:11
Which Way Is Down?
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4:02
My Theory About Neanderthals
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8:15
The Unspoken Rules of LEGO Sets
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7:33
Why Produce Used to Suck
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5:32
South Sudan, the World's Newest Country
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34:52