91av

Water

Earth

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

As the Aral Sea has been drained by irrigation and dried up, the mass loss on the surface has caused Earth’s upper mantle to rise up, lifting the emptied sea bed an average of 7 millimetres per year

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

Environment

How toilet waste is being rebranded as a valuable resource

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

Health

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

News

Technology

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

A new supercapacitor design that uses only water, clay and graphene could source material on Mars and be more sustainable and accessible than traditional batteries

News

Environment

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

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