Joni Mitchell: the new face of Saint Laurent – stylewatch

In the same week that Joan Didion is unveiled as the new face of Céline, Saint Laurent announces Joni Mitchell will model its SS15 campaign

Luxury skincare product promises to nourish Kenyan employment

Marula oil could become a multibillion-dollar business, according to the Kenyan farmer planning to produce and market the product in east Africa

How to have a high-brow 2015 in fashion

Fashion can be fun. But it can also be a form of art. Next year, fashion will be inspired by Jackson Pollock, Sofie Grabol and Barbara Hepworth

Scientists connect the dots from identifying to preventing dangerous climate risks

At the AGU 2014 fall meeting, climate and social scientists gathered to share their latest research

The fashion icons setting trends for 2015

New year, new you! To help you with makeover inspiration, here are some of the stars whose style we’ll be chanelling in 2015

The truth about alcohol, from gin tears to champagne hangovers

Do different drinks have different effects on your mood, why do funny-coloured drinks make you more drunk and what causes the worse hangovers?