Social media giant Facebook said that profits more than doubled in the fourth quarter of 2015.

Net profit for the three months to December rose to $1.56bn (£1.09bn), up from $701m.The company also said that 80% of its advertising revenue in that period came from mobile advertising, up from 69% a

Many sports are dangerous, but few are dangerous by design.

For years the powers-that-be behind American Football tried to hide it, but it became too serious. The more it was studied, the taller the pile of evidence became.To succeed in a game where brute force is part of the DNA, you

A Google artificial intelligence program has beaten the European champion of the board game Go.

The Chinese game is viewed as a much tougher challenge than chess for computers because there are many more ways a Go match can play out.The tech company’s DeepMind division said its software had beaten its