Casey Dunn

Season 2012 Episode 05.13.12

CreatureCast - Getting around when you are round

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Episode Summary

Henry Astley explains how brittlestars move. Surprisingly, nobody had described just how they use their arms to get around. In the first year of his thesis research at Brown, Henry closely observed brittlestars over the course of a week at South Water Caye in Belize. The paper describing his findings, titled "Getting around when you’re round: quantitative analysis of the locomotion of the blunt-spined brittle star, Ophiocoma echinata", has just been published in the Journal of Experimental Biology ( Natividad Chen recorded, illustrated, and produced this episode. The animations were photographed at the Brown University Science Center. Visit for more stories about the unexpected world of Biology.moreless

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