To obtain hemp fibres, a process called retting is needed, which is why in the old days, cut hemp was thrown into water bodies for some time. Traces of this activity from the 3rd and 8th centuries CE were discovered in Lake Słone (Lublin region) thanks to modern research on fossil DNA.
Warfare creates conditions for smuggling works of art and destruction of cultural heritage. In Ukraine, Syria, Iraq and other countries affected by the consequences of armed conflicts, the risks of illegal exports of cultural goods is high. Polish researchers from the UNESCO Chair on Cultural Property Law in Opole promote and regulate a conscious art market.
Dozens of bronze ornaments: necklaces, bracelets, greaves, decorative pins, as well as numerous human bones, were discovered in the Chełmno district (Kujawy-Pomerania Province). According to archaeologists, these are the remains of sacrificial rituals from 2,500 years ago.
“Finding new sources about Copernicus, or the works of Copernicus himself, is not impossible. The thing about sources is that they can be lost and yet still exist,” historian and philosopher of science, Professor Michał Kokowski told PAP. The coming year, by the decision of the Senate, will be the Year of Nicolaus Copernicus.