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Science  13 Nov 1998:
Vol. 282, Issue 5392, pp. 1223
DOI: 10.1126/science.282.5392.1223c

Poster cyberhall.Want to get more feedback on that poster you labored over for your last scientific meeting? Share it with the world at this site, which plans to archive scientific posters and slide presentations from all disciplines for a year at no cost. http://www.scienceposters.org/

Glowing review. The eerie green glow of algae in a ship's wake may be the best known example of marine bioluminescence, but there are many others, including chemiluminescent squid and deep-sea fish. The Bioluminescence Web Page offers background, photos, and a growing collection of research abstracts on this topic. lifesci.ucsb.edu/∼biolum

Backward twist. It's irksome to specialists to see the right-twisting DNA helix published as its mirror image, which isn't known to occur in nature. But journal art departments (even at Science) occasionally get it wrong, as you'll see at the Left Handed DNA Hall of Fame. www-lecb.ncifcrf.gov/∼toms/LeftHanded.DNA.html

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