The end of animal testing? Human-organs-on-chips win Design of the Year

They may look like humble little blocks, but these miracle devices could end animal testing, revolutionise the development of new drugs – and lead us into a world of entirely personalised medicine

Climate change threatens 50 years of progress in global health, study says

But slashing fossil fuel use also presents greatest global opportunity to improve people’s health in 21st century, says Lancet and UCL commission

Saint Laurent’s skinny model is just the thin end of the wedge

It’s not just the skinniness of these young women that we should be worried about. It’s the fashion industry’s fetish for female frailty

Milan fashion week: high-minded mix of old and new guides Gucci revolution

Brand’s creative director Alessandro Michele used Milan menswear show to carry the brand away from staid luxury and toward youth, excitement and energy

‘I prefer art to fast cars’: fund manager helps British Museum buy Picasso works

Hamish Parker, the modest but discerning benefactor, has donated millions to enable the museum to acquire prints by the great Spanish artist

JW Anderson show: gentleness replaces trademark shock value

Northern Irish designer uses raw denim, calico, soft leather and hand-kitted cotton to give shape to his abstract ideas at London Collections: Men