The actor's weight has gone up and down the scales like a yo-yo over the years. But when he's measuring on the larger side, it has a habit of showing on his face - a fact only added to by a short crop!
Our verdict: Longer is better, but his stylish turn as the shorter-haired Danny Zuko in 'Grease' will forever remain in our hearts
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.
High levels of iron help prevent hearing loss, a study has claimed.
A software engineer has constructed a fingernail-sized engine made of paper and it totally works!
Conspiracy theorists claim that there is a mysterious alien based pyramid in the Antarctic.
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