Marine census: Surprising number of creatures bipolar
Preview of massive international census gives fuller count, shows some sea species at both poles
By Susan Milius
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Enough with the supposed underwater deserts, say polar census workers.
Arctic and Antarctic waters may look scarily hostile for living things. But a preview of a massive count of sea life reports some 13,000 kinds of animals living at one pole or the other, or, in a surprising number of cases, at both.