Archive: 9/04/2013

Sea urchins cope with rising CO2 levels

(Phys.org) —Increasing levels of carbon dioxide (CO2) in the atmosphere are causing oceans to become more acidic. This situation poses a threat to marine organisms with shells made of calcium carbonate, because acid will ...

dateApr 09, 2013 in Plants & Animals report
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US safety board probes case of texting pilot

(AP)—The pilot of a medical helicopter that ran out of fuel and crashed, killing four people, was distracted by text messages when he should have been conducting pre-flight checks, U.S. accident investigators said Tuesday.

dateApr 09, 2013 in Other
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