Parks look for new ways to meet costs – with trees, bees and subscription fees

With warnings that many of Britain’s parks are on a financial precipice, some are looking at novel ways to meet running costs

The science of shopping: digital innovations shaping the future of retail

Stroll the boutiques of Milan without leaving home, lay a bet by voice, try on a dozen frocks without taking your coat off… Technology will soon make all these possible

What is haute couture – and why does it matter?

Staging an haute couture fashion show takes unimaginable time and expense, and most fashion make their profits from lower-priced accessories. So what is the point of gobsmackingly expensive couture?

Kazimir Malevich: the man who liberated painting

Malevich’s Black Square was an emptying out of all the value associated with art. Ahead of a new Tate Modern show, Frances Spalding explores the work of a revolutionary painter

Museum of the Year 2014: what makes a winner?

Artist Tracey Emin, historian David Starkey, designer Margaret Howell and others champion their favourite exhibition space

Revealed: whale-watching boats the greatest collision threat to whales

Guardian Australia analysis of International Whaling Commission data shows motor yachts, naval vessels and ferries come close behind