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An electronic nose can tell pears and apples apart

Swedish and Spanish engineers have created a system of sensors that detects fruit odours more effectively than the human sense of smell. For now, the device can distinguish between the odorous compounds emitted by pears and ...

dateMay 08, 2013 in Engineering
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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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Acidifying oceans may be harmful to porcelain crabs

(Phys.org) —As the world's oceans soak up carbon dioxide from an atmosphere increasingly polluted by fossil fuels, seawater will become more acidic. Two new studies by San Francisco State University students suggest marine ...

dateApr 08, 2013 in Ecology
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