This tennis player's outburst became something of a catchphrase, after his 1981 attack on an umpire over a disputed line call at Wimbledon, saying "You cannot be serious!"
McEnroe was disqualified from the 1990 Australian Open for swearing at a referee.
Watch this montage of McEnroe's worst outbursts there is over five minutes worth!
(Warning, some material contains strong language)
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.