As the most famous adult entertainment publisher, he has cashed in on the sexual revolution and literally built Playboy into an empire. Since the start, Hef has established himself as the ultimate player with the trademark habit of smoking his pipe and sipping booze in his pyjamas and robe. Having become a pop culture icon, he has his pick of the playmates to share his bed.Famous conquests:
Terry Welles, Brande Roderick, Carrie Leigh
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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