Technology
Slices of wood can filter bacteria and microplastics from water
Water filters made from untreated wood can remove more than 99 per cent of particles, taking out many harmful bacteria and microplastics
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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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Space
The first water may have formed surprisingly soon after the big bang
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Earth
California鈥檚 groundwater drought continues despite torrential rain
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Wastewater treatment plants funnel PFAS into drinking water
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Physics
How to make the biggest splash in a pool, according to science
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Space
Earth may have had its water delivered by a vast cloud of vapour
News
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Common chemical in drinking water hasn’t been tested for safety
Chloramine is used as a disinfectant in drinking water systems from the US to Australia. Research now shows it breaks down into a compound that may have negative health impacts
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Technology
Battery-like device made from water and clay could be used on Mars
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Environment
Energy expert Vaclav Smil on how to feed the world without trashing it
Features
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Engineered bacteria destroy antibiotic resistance DNA in wastewater
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Space
We keep finding water on Mars 鈥� here are all the places it might be
News