Scarlet Johansson's famous red-carpet smile involves beautiful symmetry in terms of her display of equally wide upper and lower lip with the matching size of tooth display.
Her equally full lips create a very youthful look and although the 'pinging' effect means she can virtually turn it on at will for the cameras without looking false. The very slight downturn at the corners of her mouth helps to prevent the smile looking too cheesy.
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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