Neatorama Posts Tagged "sea urchin"
New Knowledge about Sea Urchin Teeth Could Lead to Knives that Never Need Sharpening

Researchers led by physicist Pupa Gilbert of the U...  ...e University of Wisconsin at Madison examined how sea urchins are able to maintain razor-sharp teeth throughout...  ...f knives that never need to be sharpened: "The sea urchin tooth is complicated in its design. It is one of...  ...self-sharpen," says...
LED Sea Urchins

The folks at Evil Mad Scientist Laboratories wil..., but this is quite lovely. The dried shells of sea urchins are already beautiful, and can be made into tiny...
10 Animals with the Longest Lifespans...

Mother Nature Network has a photo gallery of t...  ...imals with very long lifespans, including the red sea urchin : The red sea urchin or Strongylocentrotus franciscanus is found only...
Sea Urchins "See" with Spikes

Sea urchins don't technically have eyes, but they can "s... Johnsen of Duke University:The spiky body of a sea urchin acts as one big, spine-covered eye, confirms a ne...  ...ed eye, confirms a new study that tested how well urchins can see. *strong class="matched...
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