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  • <p>Scientists know the <strong><a href="http://eol.org/pages/205932/overview">Greenland shark (<em>Somniosus microcephalus</em>)</a></strong> moves slowly in the Arctic's cold water. They also know that parasites attack the shark's eyes. But much about this animal remains a mystery. Marine biologist Greg Skomal says that's because the Greenland shark spends most of the year living under 6 feet of <strong><a href="http://ocean.si.edu/ocean-stories/under-arctic-ice">Arctic ice</a></strong>. Skomal works for the Massachusetts Division of Marine Fisheries.

    Greenland Shark: One Species at a Time
    Dec 7 2011 - 4:12pm
    Scientists know the Greenland shark (Somniosus microcephalus) moves slowly in the Arctic's cold water. They also know that parasites attack the shark's eyes. But much about this animal remains a...
  • <p>Ari Daniel Shapiro is joined for this episode of <strong><a href="http://education.eol.org/podcast/sanibel-shells">One Species at a Time</a> </strong>by serious beachcombers along the high-tide line of Sanibel Island, Florida. These “shellers” come in search of beautiful sea shells, sometimes no bigger than a grain of rice, that are the remains of marine snails, bivalves, and other mollusks.

    Sanibel Island Shells: One Species at a Time
    Jan 12 2012 - 4:01pm
    Ari Daniel Shapiro is joined for this episode of One Species at a Time by serious beachcombers along the high-tide line of Sanibel Island, Florida. These “shellers” come in search of beautiful sea...