I should have been more precise. The vast majority of unpublished samples are controlled by a few. Of course, once they are published they are open. To gain ac

I should have been more precise. The vast majority of unpublished samples are controlled by a few. Of course, once they are published they are open. To gain access to unpublished samples, you need to form collaborations with the gatekeepers, who decide the ultimate form of publication -- usually, a big Nature/Science paper with 100 authors. I liked this twitter thread about some of the challenges of smaller groups in obtaining samples: https://twitter.com/paleogenomics/status/1086402894641971204 https://twitter.com/paleogenomics/status/1086402894641971204