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Inside the Megafire Preview
Scientists investigate the deadly megafires that swept through California in 2018.
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First Horse Warriors Preview
The advent of horse riding changed the course of human history and our genetic makeup.
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Lost Viking Army Preview
Bioarchaeologists investigate a 9th-century mass grave thought to hold a lost Viking army.
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Back to the Moon Preview
Discover why scientists and entrepreneurs alike have their sights set on the Moon again.
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The Planets: Inner Worlds Preview
The rocky planets have similar origins, but only 1 supports life. Was it always this way?