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Image: Sentinel-1A satellite images Florida

The peninsula sits between the Gulf of Mexico to the west, and the Atlantic Ocean to the east. The large body of water at the top of the image is the freshwater Lake Okeechobee. Covering about 1900 sq km, ...

dateApr 24, 2015 in Earth Sciences
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Photosynthesis has unique isotopic signature

Photosynthesis leaves behind a unique calling card, a chemical signature that is spelled out with stable oxygen isotopes, according to a new study in Science. The findings suggest that similar isotopic signat ...

dateApr 23, 2015 in Earth Sciences
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