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2CBM20E Humorous blue public toilet sign, Koh Samui, Thailand

Environment

How toilet waste is being rebranded as a valuable resource

From useful nutrients like nitrogen and phosphorus to cellulose for construction, there is treasure to be mined in our sewage, says Graham Lawton

Comment

Chemistry

Water can turn into a superacid that makes diamonds

News

Space

The first water may have formed surprisingly soon after the big bang

News

The LA River

Earth

California’s groundwater drought continues despite torrential rain

News

Health

Wastewater treatment plants funnel PFAS into drinking water

News

A boy jumping into a pool

Physics

How to make the biggest splash in a pool, according to science

News

Artist's impression of a rocky and water-rich asteroid being torn apart by gravity

Space

Earth may have had its water delivered by a vast cloud of vapour

News

Common chemical in drinking water hasn't been tested for safety

Health

Common chemical in drinking water hasn't been tested for safety

News

Battery-like device made from water and clay could be used on Mars

Technology

Battery-like device made from water and clay could be used on Mars

News

Energy expert Vaclav Smil on how to feed the world without trashing it

Environment

Energy expert Vaclav Smil on how to feed the world without trashing it

The systems we use to produce food have many problems, from horrifying waste to their dependence on fossil fuels. Vaclav Smil explains how to fix them

Features

Health

Engineered bacteria destroy antibiotic resistance DNA in wastewater

News

Space

We keep finding water on Mars – here are all the places it might be

News

Physics

A slight curve helps rocks make the biggest splash

News

Environment

Thousands of US dams may be unprepared for extreme rain

Analysis