Scientists try to determine which animal was the apex predator 58 million years ago -- a 43-foot-long snake called the Titanoboa or a giant crocodilian. (60 minutes)
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Wed, 5/27 at 9:00 pm on Austin PBS HDTV
The chance discovery of a jade artifact leads to the unearthing of an ancient city hidden in the mountains of Sichuan. (60 minutes)
Thu, 5/28 at 2:00 am on Austin PBS HDTV
The chance discovery of a jade artifact leads to the unearthing of an ancient city hidden in the mountains of Sichuan. (60 minutes)