Secrets of the Dead.

Secrets of the Dead

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)

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UPCOMING EPISODES

Fri, 3/29 at 2:00 am on Austin PBS HDTV

Hannibal in the Alps

Explorers, archaeologists and scientists combine technology and ancient texts to prove that Hannibal's army crossed the Alps to launch an attack on Rome. (60 minutes)