Hollywood's hottest young couple announced their split in December, but there had been rumours their relationship was close to ending weeks before.
The High School Musical co-stars, who met on the set of the film, had been together for three and a half years.
The pair's break up was revealed as a sad case of growing apart and there was no third party involved.
One source told usmagazine.com that "they are still talking and still friends. There's no drama. No one cheated. They just grew up."
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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