Eminem originally performed under M&M, but later this evolved into his full alter ego, Slim Shady. Em explains:
"Slim Shady is just the evil thoughts that come into my head. Things I shouldn't be thinking about. Not to be gimmicky, but people should be able to determine when I'm serious and when I'm not.
"That's why a lot of my songs are funny. I got a warped sense of humour I guess."
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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