TV Program: Nova: Nova Sciencenow

In the second installment of this in"Nova"tive science magazine show, host Robert Krulwich looks into things small and large, from the promise and peril of stem-cell research to a new addition to the human family tree, from frozen frogs that freeze solid in winter to the growth of T.rex. The episode also profiles "nanoshell" inventor Naomi Halas of Rice University.

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

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