https://www.nytimes.com/2019/06/18/science/shipworm-rocks-sand.html
origin - https://www.pipiscrew.com/?p=15057 this-creature-eats-stone-sand-comes-out-the-other-end
https://www.nytimes.com/2019/06/18/science/shipworm-rocks-sand.html
origin - https://www.pipiscrew.com/?p=15057 this-creature-eats-stone-sand-comes-out-the-other-end