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2007

December

Visualization of a Harvest Control Rule (HCR)
Krazy Kat is a comic strip created by George Herriman that appeared in U.S. newspapers between 1913 and 1944. It was first published in William Randolph Hearst's New York Evening Journal, and Hearst was a major booster for the strip throughout its run.

Set in a dreamlike portrayal of Herriman's vacation home of Coconino County, Arizona, Krazy Kat's mixture of surrealism, innocent playfulness, and poetic language have made it a favorite of comics aficionados and art critics for more than eighty years.


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2008

January

Female (left) and male (right) Cochineals.
Cochineal is the name of both crimson or carmine dye and the cochineal insect (Dactylopius coccus), a scale insect in the suborder Sternorrhyncha, from which the dye is derived. There are other species in the genus Dactylopius which can be used to produce cochineal extract, but they are extremely difficult to distinguish from D. coccus, even for expert taxonomists, and the latter scientific name (and the use of the term "cochineal insect") is therefore commonly used when one is actually referring to other biological species; suffice it to say that the reader should be aware that there is more than one cochineal insect. The primary biological distinctions between species are minor differences in host plant preferences, in addition to very different geographic distributions. D. coccus itself is native to tropical and subtropical South America and Mexico.


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