TV Program: Nova: Nova Sciencenow

The latest installment of "Nova"'s science newsmagazine draws on a range of absorbing stories – from groundbreaking new genetic research that may solve the mystery of longevity, to unlocking the secrets of ancient papyrus scrolls – and also profiles an in"Nova"tive young archaeologist, Julie Schablitsky. New host and astrophysicist Neil deGrasse Tyson also meets up with investigators trying to solve a 250-million-year-old murder mystery. Is it possible that the biggest extinction in the history of life, which occurred millions of years before the dinosaurs were wiped out, could have been caused by global warming right here on Earth and not by impact from an asteroid or comet? Tyson's enthusiasm and scientific background complement the series' signature flair for bringing to life the "how" and "why" behind exciting new discoveries in science and technology.

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Nova Sciencenow - Extinction
Wednesday, August 13
7 p.m. (Digital)
(60 mins) CC HD 16:9 DVI

Nova Sciencenow - Extinction
Wednesday, August 13
9 p.m. (Analog)
(60 mins) NEW! CC LTR DVI

Nova Sciencenow - Extinction
Wednesday, August 13
10 p.m. (Digital)
(60 mins) CC HD 16:9 DVI

CC - Closed Caption
HD - High Definition
16:9 - Anamorphic Widescreen
LTR - Letterbox
DVI - Descriptive Video Information for the visually impaired

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