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The Scientist has asked a group of experts to periodically comment upon recent articles that they have found noteworthy. Their selections, presented here in every issue, are neither endorsements of content nor the result of systematic searching. Rather, they are personal choices of articles they believe the scientific community as a whole may also find Interesting. Reprints of any articles cited here may be ordered through The Genuine Article, 3501 Market St., Philadelphia, Pa. 19104, or by t

Francisco Ayala

The Scientist has asked a group of experts to periodically comment upon recent articles that they have found noteworthy. Their selections, presented here in every issue, are neither endorsements of content nor the result of systematic searching. Rather, they are personal choices of articles they believe the scientific community as a whole may also find Interesting. Reprints of any articles cited here may be ordered through The Genuine Article, 3501 Market St., Philadelphia, Pa. 19104, or by telephoning (215)386-4899.

PLANT AND ANIMAL SCIENCES


BY FRANCISCO J. AYALA
Department of Ecology and Evolutionary
Biology University of California, Irvine

" The Antarctic krill Euphausia superba is a 2.5-inch shrimp extremely abundant in the Southern Ocean. The annual productivity is 100 to 500 million metric tons, greater than the total annual yield of all the world’s fisheries, which is 70 million metric tons. Harvesting this resource could greatly help to alleviate world hunger...

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