Before the worst mass extinction of life in Earth’s history – 252 million years ago – ocean life was diverse and clam-like organisms called brachiopods dominated. After the calamity, when little else existed, a different ...
Sep 1, 2007
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A giant web filled with millions of spiders has covered several acres along a nature trail in Texas.
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Sep 1, 2007
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Voyage to the bottom of the sea, or simply look along the bottom of a clear stream and you may spy lobsters or crayfish waving their antennae. Look closer, and you will see them feeling around with their legs and flicking ...
Sep 1, 2007
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