The spines inflict a painful wound if they penetrate human skin. The spines break when they go through flesh, which has to be cut open to remove the spine fragments. The sea urchin population ...

When it comes to expensive delicacies, one my favourites is sea urchin, or uni in Japanese. If I see it on a menu, I'm almost sure to order it. Because its delicate flavour is so elusive ...

And we don't want to avoid that." "The sea urchin planet was interesting as well. There are some knobs and levers that you can turn on the ML, and they basically made the differences in elevation ...