The man has been in France with a lady who makes enormous dinners and keeps dozens of dogs and who first noticed the luminous earthworms 3 years ago. Thinking this to be interesting, she told some French scientists - boy did they laugh.
Madame you 'ave no penis - it is not possible that you make observations - go back to your kitchen
and drink less absynthe
The luminous-worm story was repeated among the scientists to illustrate the stupidity of women until it filtered through to someone who did go and visit the lady and the worms who then set about finding someone with a luminosity-filming camera ...
this is just the beginning of a story
POSTSCRIPT
Sir David Attenborough was so excited by this and other intriguing bioluminescence stories that he agreed to present the Man's film which is called
David Attenborough's Life that Glows in the UK and
David Attenborough's Light on Earth elsewhere
The programme started airing in May 2016
Here's a link to a site with a trailer