Science & technology

CAR-T therapy

Immune therapy shows promise for asthma, heart disease—and even ageing

Making treatment quick and affordable will be the challenge

Water, water everywhere

New technologies can spot pesky leaks in water pipelines

Across Europe, nearly a quarter of water goes to waste

VIPER

NASA is selling a brand-new Moon rover

Never used, one previous owner

Extra extra mature

The world’s oldest cheese sheds light on ancient Chinese culture

What genetic analysis of a 3,500-year-old sour goat’s cheese from Xinjiang reveals

Energy storage

New battery designs could lead to gains in power and capacity

Researchers are looking beyond the cathode

The mother of invention

China’s AI firms are cleverly innovating around chip bans

Tweaks to software blunt the shortage of powerful hardware

Waste not, want not

Most electric-car batteries could soon be made by recycling old ones

Mining for raw materials may peak by the mid-2030s

Geology

Earth may once have had a planetary ring

It would have collapsed 450m years ago

Long-standing mystery

How bush pigs saved Madagascar’s baobabs

Non-native species are not always harmful

Hot stuff

Geothermal energy could outperform nuclear power

Tricks from the oil industry have produced a hot-rocks breakthrough

Tests of time

The world’s first nuclear clock is on the horizon

It would be 1,000 times more accurate than today’s atomic timekeepers

White gold

Baby formulas now share some ingredients with breast milk

They may one day replicate its benefits