Ethiopia's Almaz Ayana put on a brilliant display of front-running to win the women's 5,000 metres at the world championships on Sunday and deprive compatriot Genzebe Dibaba of an unprecedented double gold.
Charles Darwin found his passion playing with rocks halfway around the world.
What is it about the charm of the Northeast and its mountains that it takes prisoners?
Narendra Modi speaks to CNN's Fareed Zakaria in his first interview after becoming prime minister. The excerpts