This album was released with no title and no artist name anywhere to be seen. Just the LP label's four symbols were printed. The reason for this was the band's disdain for the media who labelled them as 'hyped'. Led Zep's intentions... to prove their music could sell itself.
Commonly referred to as 'Led Zeppelin IV' the album sold 23 million copies in the US, making it one of the top 10 best-selling albums in the history of the US music industry.
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.