
Why the Ocean Is Salty
Anyone who has swallowed a mouthful of seawater knows the ocean is salty. What is less obvious is why. The water that fills the sea began as rain, and rain is fresh. So where did all the salt come from, and why does the…
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Anyone who has swallowed a mouthful of seawater knows the ocean is salty. What is less obvious is why. The water that fills the sea began as rain, and rain is fresh. So where did all the salt come from, and why does the…

A recent study published in Marine Pollution Bulletin has detected dangerous concentrations of pharmaceutical and personal care compounds in coastal waters along Djibouti's Gulf of Tadjourah, including ibuprofen at level…

On the east coast of Lombok Island, Indonesia, local fishers facing dwindling mud crab populations have launched their own mangrove planting programme, integrating forest restoration with crab cultivation in a practice k…

The ocean is the planet's life-support system. It covers roughly 71% of Earth's surface, produces about half the oxygen we breathe, feeds billions of people, and acts as the world's largest climate buffer, absorbing the…

The ocean is the ultimate destination for much of what human activity leaves behind. Waste that begins in a city street, a farm field, or a factory pipe often ends its journey in salt water, and the scale of that flow is…
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