To save power and add capacity, data centres are switching from copper wires to tech using light.

In an interview with the BBC, Kristalina Georgieva says economic shocks had pushed "debt levels up like a staircase not to heaven".

Auto executives across Europe hope rearmament can help them flex their industrial muscles once more.

Three 20-somethings tell BBC News how they are navigating life without parental support.

"The use of the word artificial makes it sound fake," he said told the UN. "It's not fake, it's actually amazing."

Some people close to the president have started to use the term but experts say it is unlikely to catch on.

Higher energy prices due to the conflict in the Middle East and climate change could hit growth.

Relying on text and email means sick workers disengaged and were less likely to work again, says Sir Charlie Mayfield.