Bey's third stuido album I Am... Sasha Fierce, released in 2008, introduced everyone to her alter ego, describing her as "too aggressive, too strong, too sassy [and] too sexy", stating:
"I'm not like her in real life at all ... I'm not flirtatious and super-confident and fearless like her. I created my stage persona to protect myself so that when I go home I don't have to think about what it is I do. Sasha isn't me. The people around me know who I really am."
However, the star has recently come out and said she's "killed" Sasha, telling Allure magazine:
"I don't need Sasha Fierce anymore, because I've grown and now I'm able to merge the two."
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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