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Gecko adhesive gets added mussel

Geckos walk up and down walls with the greatest of ease, thanks to tiny, spatula-shaped "hairs" on their feet that adhere and release (SN: 7/15/00, p. 47). Although materials researchers have made surfaces that borrow from the nanoscale design of gecko feet, the imitators' adhesive power fades after repeated attachment and removal (SN: 6/7/03, p. 356), and they don't work when wet.

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