Before Baker, Davison played the Time Lord. His era was notable for taking the show back to basics, reducing "silly" humour and horror in favour of a more scientific accuracy.
Fun fact: At the time, Davison was the youngest actor to play the Doctor, aged 29.
When he revisited the role for 'Time Crash' in 2007, he was 56, the same age that William Hartnell was when he took up the role in 1963.
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.
x Share us on Facebook