From Prague to Los Angeles, tours led by homeless people are revealing the dark side of the city. But do they hurt the very people they aim to help?
Gavin Pretor-Pinney’s silver linings playbook
Despite the graffiti and the locks, Ponte Milvio itself seemed no worse for wear. If Garibaldi couldn’t destroy it, then how could something as innocent as love?
Like Alice Munro, my grandmother came from small-town Ontario, and my memories chime with Munro’s tales of passionate girls and women with stifled passions
Technology and elaborate storytelling have made opening and closing ceremonies increasingly grand. After the mind-blowing extravaganzas of Beijing, Vancouver and London, can Sochi go to new levels?
Zen and the city … a journey through modern Korea
The ‘E’ in Cern, home of the large hadron collider, used to stand for Europe. But with ambitious new global plans, which nations will call the shots to explore the secrets of the universe?
An ode to London’s native wildlife
Meet bison whisperer Wes Olson, who reintroduced a dying breed to the Prairies
Lab-grown meat is the way of the future, but if it will whet the palates of the public is another matter. One Italian scientists is try to make test tube meat a bit more appetising