03 Mar '12, 1pm

Wildlife and Habitat Conservation News: How Spiders Stick or Not Stick to their Web

Spiders use their sticky webs to catch their food. So why do they not stick? Researchers at the Smithsonian Tropical Research Institute and University of Costa Rica studying why spiders do not stick to their own sticky webs have discovered that a spider’s legs are protected by a covering of branching hairs and by a non-stick chemical coating. Their results are published online in the journal, Naturwissenschaften. They also observed that spiders carefully move their legs in ways that minimize adhesive forces as they push against their sticky silk lines hundreds to thousands of times during the construction of each orb.

Full article: http://www.enn.com/wildlife/article/44077

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