The sea urchin's tough, brittle spines are an engineering wonder. Composed of a single crystal from base to needle-sharp tip, they grow back within a few days after being broken off. Now, a team of ...

Nature does it again! The natural world has a knack for giving us the blueprints for some useful technologies, and the humble sea urchin is the latest contributor. Scientists have designed a new class ...

Follow Our Changing World on Apple, Spotify, iHeartRadio or wherever you listen to your podcasts. Off the Tutukākā coast of Northland, the Poor Knights Islands marine reserve is world-renowned as a ...

Scientists call long-spined sea urchins "the lawn mowers of the reefs" because they eat algae that could otherwise smother reef ecosystems and kill corals. That's why researchers affiliated with the ...