Sociologist Justyna Kopczynska from Warsaw University explains that young people in Poland realize that the communist government was repressive.

VOA: standard.2009.12.16

Furthermore, a follow-up paper by Mikolaj Korzynski of Warsaw University in Poland has claimed that there is a fatal flaw that may make Dr Cooperstock's model a mathematical but not a physical possibility.

ECONOMIST: Cosmology

On 17 March 2005, Andrzej Udalski, professor of astronomy at Warsaw University, Poland, and leader of the Optical Gravitational Lensing Experiment (Ogle), noticed that just such an event was about to occur near the centre of our galaxy.

BBC: Artist's concept of a distant world (BBC)