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A school of yellowfin surgeonfish, Acanthurus xanthopterus, feed near dusk off...
Pacific Ocean Currents
The arrows show the direction of ocean currents recorded by William Dampier while...
The Ekman Spiral
As wind blows over the surface layer of water, friction between the two pulls the...
The Salt Pans
The Mediterranean is super salty due to intense evaporation. Here, locals in...