The quest for machine superintelligence is not merely a gold rush, motivated by money. In the minds of many of its leaders, the arrival of a new form of cognition has a tingling, existential feel ...

It comes hours before a meeting of government officials, water companies and agricultural bodies, with more of England set to ...

Temperatures are forecast to soar this week, with possible highs of 36C in the south-east on Thursday, as this year's fifth ...