News tagged with sea urchins

Making spines from sea water

Some sea creatures cover themselves with hard shells and spines, while vertebrates build skeletons out of the same minerals. How do these animals get the calcium they need to build these strong mineral structures? Professors ...

dateApr 06, 2017 in Cell & Microbiology
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Are tiny grazers the new hope for Caribbean reefs?

Thirty years ago a mysterious disease wiped out long-spined black sea urchins across the Caribbean, leading to massive algal overgrowth that smothered already overfished coral reefs. Now, marine biologists at the Smithsonian ...

dateJan 05, 2017 in Environment
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