11:42:53	 From Emmanuel Nezri : I have  a question
11:44:01	 From Albert Bosma - LAM : Unfortunately, I have to leave.
11:44:13	 From Albert Bosma - LAM : Thanks for an excellent talk
11:44:28	 From Carlo SCHIMD : thank you Albert!
11:50:36	 From philippe.amram@univ-amu.fr : How do you produce those light particule ?
11:50:38	 From Doris Arzoumanian : Thanks a lot for this very nice talk.
I have a question (Carlo, please read it. Thanks):
I heard about some discussions on the possibility of the presence of a still undiscovered fondamental force that could explain the observations without the need of DM.
Do you have a comment on this?
11:56:55	 From Emmanuel Nezri : https://arxiv.org/abs/2007.00555. Thanks again for your talk.