The show began in 1966 as 'How' presented by Fred Dinenage, Jack Hargreaves. However it was taken off air in 1981, then returned as 'How 2' in 1990 and was aired right up until 2006.
The show answered children's questions with experiments and graphics, striking a balance between fact and fun. It covered everything from "How do non-stick saucepans work?" to the bizarre "How can lightning blow your socks off?".
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.
Confused Apple customers are finding coins in their MacBooks.
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