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In this segment:

Rene Blain,
Sari Custer,
Tony Hu, Ph.D.,
Zoltan Korsos, Ph.D.,
Dr. Lisa Villarroel

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Competitive ballroom dancing takes center stage

The WORLD DANCESPORT GRANDSLAM SERIES is back, featuring the best competitive dancers in the world vying for the most prestigious titles and the prize money in the world of dance. Pictured (L-R): Olga Kulikova and Dmitry Zharkov of Russia. Photo credit: © Reinhard Egli – World DanceSport

Competitive ballroom dancing returns to Arizona PBS with the 2017 World DanceSport GrandSlam Series. The best competitive dancers in the world vie for the most prestigious titles on Sundays at 3 p.m., beginning July 7.

See how our ancestors understood the 'Ancient Skies'

Discover how centuries of knowledge, experimentation and engineering helped our ancestors understand the mysteries of space in this three-part series airing Wednesdays at 7 p.m.

'Ancient Skies' explores how our ancestors understood the cosmos

Discover how centuries of knowledge, experimentation and engineering helped our ancestors understand the mysteries of space.