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17 October 2011
Words matter
A table from the article “Communicating the Science of Climate Change,” by Richard C. J. Somerville and Susan Joy Hassol, from the October 2011 issue of Physics Today, page 48: There’s a lot to ponder in this table. It strikes me as an important document – a compilation of one of humanity’s most tragic miscommunications. You can click on it to make it bigger – large enough that you could …
Hawk migration in Mexico
Two images that have me scheming to go down to Veracruz, Mexico, next September for a weekend of hawk-watching: …Impressive, no? Better yet, check this out: …Oh. Yeah.

Callan Bentley is an assistant professor of geology at Northern Virginia Community College in Annandale, Virginia. He is particularly interested in structural geology and the evolution of the Appalachian mountain belt. Callan draws cartoons and writes for EARTH magazine. He lives in Washington, D.C.








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