February 8, 2012
Lookdown, Lookout
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The lookdown fish is aptly named, as you can see by this X-ray. If you want to see more X-rays of fish, Scientific American has a slideshow. And if you want to see a whole bunch, the Smithsonian is currently featuring an exhibit of them, believe it or not....

*Harvest View
*Yesterday
*Tomorrow
*Best of Today
*Wayback Machine
*How Do I?
*Today in History
*Calvin and Hobbes