Secrets of the Dead
Hidden in the Amazon
New discoveries and technological advances shed new light on early human habitation in the Amazon. (60 minutes)
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UPCOMING EPISODES
Tue, 7/8 at 9:00 pm on Austin PBS HDTV
Leonardo, The Man Who Saved Science
New evidence suggests that many of Leonardo da Vinci's ideas can be traced to other scientists, as far back as 1,700 years. (60 minutes)