Tattooists who have run out of body space find themselves between a rock and a hard place.
The solution for the most hardcore of people is to get their eyes done. The operation has been going on for some 2,000 years and in the last few centuries has become a way of correcting corneal scarring.
The end result can be a completely coloured eyeball.
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.