Do You believe in science? And what if our scientific dogmatism exists because one scientist killed another one some 420 years ago? A local story from the former Duchy of Sagan. Can we trust in science dogmas if the story of science is stained with blood? I run local media on the territory of the former Duchy of Sagan. One of the local ducal astronomers, was an assistant of a famous mathematician. He was accused of killing the scandalous royal mathematician of his era, of taking over his laboratory, his work and even his position at the court. Such a story is a part of a local history of the Duchy, with many people - modern scientific heretics- held for an example of why they are being openly and vocally sceptical about the scientific revolution that this change brought to our Duchy.   For over four hundred years, Tycho Brahe's untimely death has been a local mystery. It recently was revealed that Tycho Brache (Tyge Ottesen Brahe; 14 December 1546 - 24 October...