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Also in this episode:

Catalyst: Social media and natural disasters

In this segment:

Dr. Stephen Johnston,
Carlo Maley, PhD,
Angelo Fortunato, PhD

Catalyst: 3D car engine parts
Catalyst: Social media and natural disasters

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"Nova" explores new discoveries and how we have come this far on Wednesdays at 8 p.m. on Arizona PBS.

Belgian detective drama 'Professor T' features crime-solving professor

Professor T

Fans of “Monk” and “House” will enjoy watching the eccentrically gifted professor, Professor T, unravel complex criminal puzzles for the police with his brilliant mind. The Belgian crime drama "Professor T" comes to Arizona PBS on Saturdays at 10 p.m. starting Nov. 9.

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