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Published online 23 August 2001 | Nature | doi:10.1038/news010823-11
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Eyes in their stars
Engineers envy brittlestar bones' built-in lenses.
A relative of the starfish and sea urchin has turned its skeleton into an all-seeing eye. Near-perfect microscopic lenses in brittlestars' bones are more sophisticated than anything humans can produce, say engineers keen to copy the trick.
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