As the Xtra Factor's Caroline Flack, 32, speaks out about her supposed 'releationship' with 17-year-old One Direction star, Harry Styles, we take a look at some other some-what unconventional couples.
See if you can work out which odd pair came in at Number 1 in our countdown...
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.
Confused Apple customers are finding coins in their MacBooks.
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