Blue Planet gives super-rich their new toys – submersibles

World’s ultra-rich are buying subs for up to £30m to indulge in deep ocean exploring

Fashion queens: Bath exhibition shows off royal outfits

From Queen Alexandra to Princess Margaret, Bath Fashion Museum explores changing tastes in its Royal Women show

From Picasso at his mightiest to gods of American cool: the hottest art shows of 2018

Picasso reveals his most erotic year, Andreas Gursky predicts the post-truth era, O’Keeffe and Hopper hit Oxford – and the only way is Sussex for William Blake in our exhibitions preview

‘It’s a no-brainer’: are hydrogen cars the future?

Inventor Hugo Spowers has a dream: to replace today’s cars with his own hydrogen prototype. Is the world ready?

Prehab – the humble warm-up gets a makeover

How do you prepare for your intense workout class? The fitness industry has an answer! Sign up for another, less intense workout class …

How low can you go? Our pick of the best low-alcohol wines

Whether you’re doing dry January, or just trying to cut down, there are less boozy alternatives are out there