The poll of 3,000 women revealed that lovely long layered hair was the third most popular style, with 61% having tried it.
Almost a third of women change styles or dye their hair following a relationship break-up or divorce, and a quarter wanted to "re-invent themselves".
Fashion and trend changes was the sixth most common cause for change, while 17% did it to conceal grey hairs.
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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