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Layers of Weathered Oil
There are many sources of oil in the Gulf of Mexico, including natural deep-sea oil...
Inuit Soapstone Pot
For over a decade, Smithsonian Arctic Archaeologists have been investigating an...
Pacific Ocean Currents
The arrows show the direction of ocean currents recorded by William Dampier while...
Hedbergella sliteri - this specific specimen is the "holotype" for this species....