Famed QI trivia podcast No Such Thing As A Fish celebrated its 10th anniversary this year.
In that timeframe, the podcast has recorded over 600 episodes and amassed half a billion listens - averaging a million downloads a week.
Two of the hosts, James Harkin and Andrew Hunter Murray says they've always enjoyed what they do, and they look forward to sharing unusual facts with listeners.
"Every day, you wake up and it's like - today I have to research zebras or I have to research stars or I have to research whatever, and you wake up looking forward to that. And then when we come in to the show and we tell each other what we found, that's such a joyous thing to do."
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