Sea Urchin Teeth
A Moment of Science - Ein Podcast von 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 - Ein Podcast von 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.