Scientists piece together geologic evidence from the past and clues from the Earth's ecosystems to determine how life made it through a cataclysmic extinction that wiped out about 90 percent of all species 252 million years ago. (61 minutes)
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Sun, 12/22 at 2:59 am on Austin PBS HDTV
Scientists and historians study remains found in caskets under Notre-Dame de Paris' stone floor following the 2019 fire. (61 minutes)
Sun, 12/22 at 4:55 pm on Austin PBS HDTV
Scientists and historians study remains found in caskets under Notre-Dame de Paris' stone floor following the 2019 fire. (65 minutes)
Tue, 12/24 at 6:00 pm on Austin PBS WORLD
Scientists and historians study remains found in caskets under Notre-Dame de Paris' stone floor following the 2019 fire. (60 minutes)
Tue, 12/24 at 11:00 pm on Austin PBS WORLD
Scientists and historians study remains found in caskets under Notre-Dame de Paris' stone floor following the 2019 fire. (60 minutes)
Wed, 12/25 at 7:00 am on Austin PBS WORLD
Scientists and historians study remains found in caskets under Notre-Dame de Paris' stone floor following the 2019 fire. (60 minutes)