Despite several younger models making it beyond the Material Girl in terms of wealth, the original Queen of Pop has remained firm on the top 10 list at No 8.
At over 50, Madonna still knows how to draw a crowd with the best of them, fronting the fourth highest-grossing tour of 2009. She garnered $6m a night and a total of $138m from the tour, and a special episode of the US hit sitcom 'Glee' featuring several of her songs, made another substantial contribution to her earnings from royalties.
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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