No. 254.

Princess Anne was the only person not be gender-tested at the 1976 Olympics.

(Source: http://www.telegraph.co.uk/culture/qi/9472902/QI-Quite-interesting-facts-about-the-Olympics.html.)

No. 253.

The collective noun for a group of apes is 'a shrewness' or 'a troop'.

(Source: Yahoo answers.)

No. 252.

Each of Nina Conti's Monkey puppets last about a year. She has to bid for replacements online because they are from a discontinued line of toys, and her fans are buying them in order to have one like her.

(Source: Richard Herring's Edinburgh Fringe Podcast.)

No. 251.

The last private owner of Stonehenge, Sir Cecil Chubb, allegedly bought it as a present for a wife. She wasn't impressed, so he gave it to the nation.

(Source: QIkipedia Twitter feed. Verified by Wikipedia.)

No. 250.

Lucy Porter was a researcher on Catchphrase. Her job was to ask the contestants for funny anecdotes that the host could prompt and then joke about it in the beginning of the show.

(Source: Richard Herring's Edinburgh Fringe Podcast.)

No. 249.

Stewart Lee sent a song he wrote to Fry and Laurie because he and Richard Herring weren't too impressed by the quality of the music featured on the show.

(Source: Richard Herring's Edinburgh Fringe Podcast.)

No. 248.

Lucy Porter was a researcher for Richard and Judy.

(Source: Richard Herring's Edinburgh Fringe Podcast.)