Relaxin' with Ruff

Fetch! with Ruff Ruffman poster
Fetch! with Ruff Ruffman
26th June 2006 30 mins Season 1 Episode 17

Ruff decides to calm down from the stresses of running a show. The kids learn to relax with yoga and to calculate heart rate (pulses in 15 sec * 4). Next, they mathematically measure their "fear factor" at Canobie Lake Park, an amusement park in New Hampshire.

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