Concrete without CO2: can our biggest building material go green?

Election risks, safety summits and Scarlett Johansson: the week in AI

Botanist Robin Wall Kimmerer: ‘The clock is ticking but the world will teach us what we need to do’

Golden rice: why has it been banned and what happens now?

Slaughter-free sausages: is lab-grown meat the future?

Are cold and wet UK summers here to stay?

What are the main UK parties promising on climate and is it enough?

A black hole awakens and why some people avoid Covid: the week in science

The infection that affects half of women and its link to antibiotic resistance

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