News tagged with oxygen levels

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Chocolate makes snails smarter

Chocolate isn't usually on the diet for snails, but when Lee Fruson and Ken Lukowiak from the University of Calgary, became curious about the effects of diet on memory, they decided to try a flavonoid from ...

dateSep 27, 2012 in Plants & Animals
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Detecting biomarkers on faraway planets

(Phys.org) —On Earth, life leaves telltale signals in the atmosphere. Photosynthesis is ultimately responsible for the high oxygen levels and the thick ozone layer. Microbes emit methane and nitrous oxide ...

dateSep 10, 2013 in Astronomy
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Ancient Earth crust stored in deep mantle

Scientists have long believed that lava erupted from certain oceanic volcanoes contains materials from the early Earth's crust. But decisive evidence for this phenomenon has proven elusive. New research from ...

dateApr 24, 2013 in Earth Sciences
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Oxygen-sensing microrobots

(Phys.org) —When the retina's supply of blood and oxygen runs low, physicians have to react quickly to preserve a patient's eyesight. But up until now there have been no methods sensitive enough to measure ...

dateMay 06, 2013 in Engineering
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