The largest known prime number, spanning 41 million digits, is discovered

Rising costs point to split offering.

Q How often does the Tower Bridge in London open? A The bridge operators say that, on average, it opens roughly 800 times a year. Captains of ships which require to pass through the bridge need to giv

The world’s biggest digital camera telescope has started ...

$5 trillion market cap may not be as far-fetched as investors think

WITH SO MUCH HYPE CIRCULATING ABOUT HOWWITH SO MUCH HYPE CIRCULATING ABOUT HOW ARTIFICIAL INTELLIGENCE WILL CHANGE THE WORLD—BUT NOT A LOT OF CONCRETE SUCCESSES—HERE ARE SIX LESSONS YOU CAN ACTUALLY USE

Play our free online daily crossword at prima.co.uk/puzzles ...