The Simple Life star's troubles with alcohol and drugs began at the age of 13, but it wasn't until she was 21 that she got help. It all came to a head after her cocaine addiction began to spiral out of control and she began taking pills and heroin.
Her parents begged her to go into rehab. But just one week before she was supposed to check in, she was arrested while driving and police found a balloon of heroin in her car.
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.
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