A group of about 140 scientists has appealed again to Prime Minister Mateusz Morawiecki for giving the entire Białowieża Forest the status of national park on the occasion of the 100th anniversary of Poland`s independence.
Since reptiles are evolutionarily earlier than birds, there was an egg between the last reptile and the first bird. But there will always be people who are convinced that a rooster was first - says Prof. Jan Jankowski. Poultry expert from the UWM in Olsztyn talks about egg-laying poultry hatcheries, the differences between broilers and egg layers, and whether the chickens farmed for meat lay eggs.
During intensive propagation, some species of cyanobacteria produce toxins that are harmful to humans and animals. But they are not clearly bad organisms: they produce oxygen, and scientists hope that substances isolated from them will be useful in the treatment of civilization diseases, oceanographer says.