Facebook founder Mark Zuckerberg says he's not building a phone or an operating system - but is reinventing the homescreen "the soul of your phone".
Zuckerberg says you look at your homescreen "100 times a day" so it should be "deeply personal" and you should see the world through people not apps.
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Two men seen as alternative voices to the US political establishment have won decisive victories in the New Hampshire presidential primary.
Takeaway food and alcohol are causing a growing obesity crisis among pets, according to a leading animal welfare charity.
Teacher shortages in England continue to grow and the government has missed recruitment targets, the National Audit Office says.