Hefyd, cynhaliwyd dau adolygiad gwyddonol annibynnol gan gymheiriaid i adolygu’r dystiolaeth a gyflwynwyd gan Brifysgol Bangor, a daethant i’r casgliad ei bod yn gadarn ac o werth gwyddonol uchel.
Two further independent scientific peer reviews, of the evidence presented by Bangor University, were carried out and concluded this to be of robust and high scientific merit.