this is leming's front paw, from permafrost, pleistocene and yakutia.d thousands of years, scientists will extract some biological material for special research. in total, the collection of the zoological institute contains 60 million specimens, 100. for a professional look, they are all the same, no, different, we study population variability both in time and in space. genomic research methods allow us to look at these samples in a new way without exaggeration, rewrite or add pages. the genetic institute exchange materials for study with its foreign colleagues, for example, rare samples of peruvian potatoes, which he wanted to add to his collections . it got to the point that scientists could not find plant resources and could not pass customs. the entire system of receiving plant material from abroad, it is connected with commerce, with business, what is a scientific sample in what form, on what terms? to receive, it was not determined, looking ahead, i will say that we were never able to receive these samples, although they were already right here ne