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Algal Bloom

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January 5, 2012

Toxic tide

In the Gulf of Mexico lurk menacing masses of single-celled organisms known as red tides. Scientists have long known that the potent toxin they …

January 5, 2012

Iron fertilization foiled by "shrimp"

The argument over whether ocean iron fertilization is a good way to sequester carbon dioxide may be coming to an end. Last month, a group of …