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image: Opinion: Fishy Deaths

Opinion: Fishy Deaths

By | October 29, 2012

Record fish die-offs in the Midwest call for a fresh look at how humans are disrupting the planet’s essential water cycle.

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image: Opinion: Think Like Turing

Opinion: Think Like Turing

By | October 22, 2012

Biomedical researchers would benefit from emulating the logically rigorous reasoning of the late Alan Turing, British mathematician, computer scientist, and master cryptographer.

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image: Opinion: Controlling Invasion

Opinion: Controlling Invasion

By | October 15, 2012

Remote sensing helps control an invasive giant weed that threatens ecosystems and border security.

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Mail

By | January 1, 2011

A selection of comments from our readers

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