Sea Urchin Teeth
A Moment of Science - En podcast av Indiana Public Media
Sea urchins are small, furry, and sometimes colorful. They usually don't bite humans, but they do have really sharp teeth that researchers learned sharpen themselves.
A Moment of Science - En podcast av Indiana Public Media
Sea urchins are small, furry, and sometimes colorful. They usually don't bite humans, but they do have really sharp teeth that researchers learned sharpen themselves.