Take the money and run: the rise of the £1,000 tracksuit

Previously the uniform of the underdog and the outsider, the tracksuit is this year’s power suit. But if you want the hottest brands, you’re going to need your credit card …

An exercise in style: Van Cleef & Arpels. Two Butterfly and a new book

To celebrate this season of renewal, Van Cleef & Arpels unveiled new Two Butterfly creations. Inspired by all the freshness and vitality of the season, these creations combine the gentle luster of mother-of-pearl and pink gold with the sparkle of diamonds. Since 2001, the Two Butterfly collection depicts ethereal couples of butterflies combining different association … Read more

Fur-free coats and wood heels: study a master’s in sustainable fashion

The shift is towards more ethical and sustainable practices in the manufacturing process, and a number of postgraduate courses are setting the trend

Fight Uber with Lambo: Cancún drivers battle taxi app with exotic car service

Drivers in Mexican resort city hope fleet of a ‘super-luxury’ vehicles on demand will help lure high-rolling tourists away from competition after series of protests

Claus Meyer: the other man from Noma

The Danish TV cookery show host and entrepreneur helped create the world’s best restaurant and turn Copenhagen into a leading dining destination. Next stop: New York

The OFM 50: what we love about the world of food in 2016

From Heston Blumenthal’s sweet shop to the policeman turned pie-maker, here (in no particular order) are 50 of Observer Food Monthly’s favourite things