From scientist to editor

Letter to the Editor of New Scientist

A mathematical expression very similar to the entropy Sq, the basis of nonextensive statistical mechanics, was, to the best of my present knowledge, first introduced by J. Harvda and F. Charvat in 1967 and then again, independently, by Z. Daroczy in 1970. They did so in the context of cybernetics and control theory but apparently never found any application. In September 1985 in Mexico City, as...

Letter to editor

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Letter to Editor

Dear Editor On September 2018, a case report titled “Squamous cell carcinoma arising from a sebaceous cyst” was published in the “Journal of Surgery and Trauma” (volume 6, issue 2) (1). It was an interesting article; however, I think when dealing about such rare tumors, it is important to be aware of other diseases, such as proliferating trichilemmal cysts (PTC) that may be confused with squam...

Letter to Editor

Letter to the editor