Before you swat a fly next time, consider without them we wouldn't have chocolate! The advice of expert in all things flies Dr Erica McAlister, who joins Ian Brannan and Dan Pye to discuss the role flies have played in space travel, the work they do on earth doing the jobs we hate, and why if you get bitten by a midge, consider yourself a foster parent..!

All this and more, you'll never look at a fly the same way again!

 

 

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