Author(s): James Harkin; John Lloyd; John Mitchinson

Reference

1,227 QI Facts blew your socks off. 1,339 QI Facts made your jaw drop. Now the QI team return with this year's groaning sack of astonishment. Prepare to be knocked sideways...

Orchids can get jetlag. Lizards can't walk and breathe at the same time. There are 177,147 ways to tie a tie. Ladybird orgasms last for 30 minutes. Traffic lights existed before cars. Sir Bruce Forsyth is four months older than sliced bread. The soil in your garden is 2 million years old.

If there are any facts you don't believe, or if you want to know more about them, all the sources can be found on qi.com.