The arrest of Telegram’s founder, and what it means for social media

The race to understand mpox

Into the abyss beneath Greenland’s glaciers

Transparent skin, bird flu, and why girls’ brains aged during Covid: the week in science

From dementia to heart disease: could weight-loss jabs transform chronic conditions?

The sweeping reorganisation of the brain in pregnancy, and why it matters

Live episode: will AI make a good companion?

Are the world’s oldest people really that old?

Is the ocean becoming too acidic to sustain life?

End of an era: Britain finally says goodbye to coal