Arizona PBS Previews

Forces of Nature: Motion

Preview | 30s

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“Motion” – The forces of nature have kept Earth on the move since it was formed billions of years ago. Though we can't feel the motion, we experience the consequences – from tidal bores surging through the Amazon rainforest to the ruinous power of hurricanes. (Also Fri. 10/7 at 2 a.m.; Sat. 10/8 at 6 p.m.; Sun. 10/9 at 3 p.m.)

Aired: 10/05/16 | Expired: 10/07/16 | Rating: NR

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