It was back in November 1963 when Doctor Who first hit our TV screens. Premiering the day after President Kennedy was assassinated, the first episode was shown again with the second installment.
It has since gone on to become a British (and abroad) cult classic, frequently drawing in millions of viewers.
And in 2009 was awarded Guinness World Records as the longest-running science fiction television show in the world as well as the most successful science fiction series of all time.
Fun fact: Hartnell trained as a jockey before deciding to ditch it in favour of acting.
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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