Despite her troubles, Cheryl Cole's smile has been voted as the one that women want.
Her jolly pout is a good example of the perfect congruent smile that ticks every box in terms of smile psychology.
It's evenly shaped and spread, making it appear genuine. Her wide top and bottom lips aren't compromised by over-stretching either; they retain their softened shape, suggesting warmth and sexuality.
Her teeth are perfect, signifying good health, and her dimples add the irresistible factor. Dimples tend to have a child like appeal but also imply a person is a frequent smiler, suggesting a happy, calm and caring personality.
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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