Scientists (PM-Ecologists) is a scientific groups operating on the territory of the zone. A single grouping them call can only conditionally, operate separate groups of scientists sent to the Government for consideration. Do not have a central database per se, but they have two mobile laboratories. Beyond the laboratories they go out only when accompanied by a guard. In the zone of scientists support the military, however, they may not always arrive, so scientists often turn to stalkers. With them they maintain business relations despite their illegal presence in the zone for a well-done job well paid scientists buy artifacts and mutant body parts to quite high rates.