The neuroscientist talks about combating insomnia, going up against Big Pharma — and why night owls shouldn’t feel guilty

The actress’s clean-living empire divides opinion. She talks about Goop’s controversies — and why it’s ‘bullshit’ that wellness is for rich people

The quest to understand life may have been missing an ingredient: the flow of ‘information’ through living organisms

Richard Bassett’s memoir of Trieste, Vienna and Prague recalls the charms of a lost world