The surprising psychology behind extremism, and how politics is driving it

Caroline Lucas on climate, culture wars, and 14 years as the only Green MP

‘Spermageddon’: is male fertility really in crisis?

ZOE and personalised nutrition: does the evidence on glucose tracking add up?

‘Lesbian’ seagulls and ‘gay’ rams: the endless sexual diversity of nature

Can the climate survive AI’s thirst for energy?

Is there any point in taking multivitamins?

George Monbiot on the record jail terms given to Just Stop Oil activists

Trophy hunting: can killing and conservation go hand in hand?

Secrets of ageing: what makes me age?