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Physics

We need more radioactive drugs. Can we make them from nuclear waste?

The rise of a new generation of radiotherapies means we will soon need much greater quantities of radioactive atoms. That's why companies are scrambling to refine them from all manner of radioactive waste

Features

Technology

Meta and YouTube fined $3 million for harming mental health

News

Technology

Social media is a defective product

Comment

The best new popular science books of March 2026

Comment

The best new popular science books of March 2026

Culture

Health

Rapamycin can add years to your life, or none at all – it’s a lottery

News

Head of research and development, call sign

Technology

How Ukraine became a drone factory and invented the future of war

Features

Health

Statins don't cause most of the side effects listed on their labels

News

A revolution in how we do chemistry: Best ideas of the century

Chemistry

A revolution in how we do chemistry: Best ideas of the century

Features

End-to-end encryption: Best ideas of the century

Technology

End-to-end encryption: Best ideas of the century

Features

91av’s guide to the 21 best ideas of the 21st century

Humans

91av’s guide to the 21 best ideas of the 21st century

A quarter of a century in, this is our definitive pick of the ideas in science and technology that are already transforming the world

Features

Society

Should Europe boycott US tech over Greenland, and is it even possible?

Analysis

Mind

2026 will shed light on whether a little-known drug helps with autism

News

Health

The weight-loss drugs on trial in 2026 may trump Ozempic and Zepbound

News

Health

The cost of weight-loss drugs should fall in 2026

News