London’s restaurants: a grotesque display of opulence

In the naked fetishisation of wealth that dominates the capital’s most fashionable eating places there are no critics

@HiddenCash: Twitter mystery man who leaves money to be found

The enigmatic philanthropist leaves $100 in envelopes in San Francisco as a social experiment in the redistribution of wealth – and has urged those who find the money to pass it on

London flat ‘sells for £140m’ to become the city’s most valuable property

One Hyde Park penthouse believed to be taken by overseas buyer, ‘injecting new vitality’ into capital’s super-prime market

Budget cuts threaten Kew Gardens’ world-class status

Up to 125 jobs to go at botanic institution after ministers impose £1.5m cuts despite warning of critical impact on research

Designs of the Year: chairs that make you fidget and a piano from the future

From the Pro Chair that makes schoolkids squirm to an all-black piano, plus Prada and Zaha Hadid, here are the seven category winners from the Designs of the Year

Can resveratrol – the ‘wonder chemical’ in red wine – live up to the hype?

With purported activity against cardiac disease, cancer and even ageing, the pressure on resveratrol to deliver is enormous