Show Details

Podcast

January 7, 2011

Sea urchins use their sharp teeth to dig into stone for protection. Their teeth never go dull (Chelsea Carpenter/Wikimedia Commons)

NATURE OF INVENTION: Sea urchin teeth could inspire new nano-materials, and hornet stripes could lead to better solar technology. Also: automatic transmissions could revolutionize electric wheelchairs, and there’s new research on the genetics of hair color and male pattern baldness.

Transcript

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