Visionary director Terry Gilliam (whose films are always plagued with bad luck) had directed Ledger before in The Brothers Grimm. Eager to work together again, they reunited for this spectacular fantasy but Ledger tragically overdosed on prescription drugs half way through the shoot.
Rather than reshoot all his scenes or scrap the film in its entirety, Gilliam pledged to finish it as a tribute. He drafted in Jude Law, Colin Farrell and Johnny Depp to play different versions of his character to let his final work be seen. The result is eclectic but outstandingly imaginative.
22,000 people agreed to clean toilets for WiFi because they did not read the terms.
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.