Antiscience and pseudoscience seem to be rife in some nations of the former Yugoslavia, and have potentially harmful consequences. As one of the few science journalists in Bosnia and Herzegovina, I urge the region's researchers to speak out and boost the international scientific standing of their countries.

A worrying instance of antiscience is the widely publicized petition organized in Serbia in May (see Nature 545, 138–139; 2017). Signed by engineers, physicians and other academics, it calls for schools and universities to teach 'alternative theories' of evolution such as intelligent design and creationism. The organizers back their cause with claims that evolution is now being discredited by “more and more famous scientists” worldwide.

In my view, this petition is a scientific humiliation for Serbia. Croatia and Bosnia and Herzegovina also have advocates of intelligent design. Those who disagree will not speak up, fearing retribution and public outcry. Lift this shameful silence so that the region's science can flourish again.