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Health

The 4 biggest myths about hydration, according to an expert

Should you really be drinking eight glasses of water a day? What about reaching for a sports drink after exercise? Physiologist Tamara Hew-Butler is here to bust these hydration myths and more.

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Space

Why the lack of water on Mars is so mysterious

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Caption: Belgium | Two of the main protagonists in Kristina Steiner?s winning story: Stefaan rides his horse, Dina, to catch shrimp in the summer waters of the North Sea. ?Kristina Steiner for Onewater

Environment

Startling images win water photography competition

Regulars

The receding waters of Latyan Dam near Tehran, Iran

Environment

World is entering an era of 'water bankruptcy'

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Environment

World's first subsea desalination facility will start running in 2026

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Dramatic images show where water and humanity meet

Environment

Dramatic images show where water and humanity meet

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Earth

When rift lakes dry up it can cause earthquakes and eruptions

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Environment

We are undergoing unprecedented loss of freshwater across the planet

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Technology

The arid air of Death Valley may actually be a valuable water source

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Cyanobacteria, blooming in Lake Windermere, UK

Environment

Artificial light pollution could fuel growth of toxic algal blooms

The "skyglow" produced when light from cities bounces off clouds can help cyanobacteria and other aquatic microbes grow at night

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Technology

Slices of wood can filter bacteria and microplastics from water

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Earth

Earth's upper mantle is revealing the deepest effect of human activity

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Environment

How toilet waste is being rebranded as a valuable resource

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Chemistry

Water can turn into a superacid that makes diamonds

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