Known more for his wisecracking than his muscles, Bruce Willis had more in common with Clint Eastwood and Burt Reynolds than he did with the other stars on this list. His characters were smart and they knew it, using their wit and bite to taunt their enemies into humiliation. When their defences were down, he would strike.
The 'Die Hard' films remain the pinnacle of his action career, but with turns in respected classics such as 'Twelve Monkeys', 'Pulp Fiction' and 'The Sixth Sense', Willis proved to the critics that he was no slouch at acting in lower budget films either.
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.