Scientists at the University of Warsaw have discovered flatworms that spontaneously develop a second, fully formed head where a tail should have been, a phenomenon previously unknown in the animal kingdom. Despite the anomaly, the two-headed worms were able to feed and move, though movement was clumsy, researchers said.
The Vistula Spit is “one of the most important bird migration corridors in Europe,” the president of a Polish ornithological association that monitors bird migration on the Vistula Spit, has told the Polish Press Agency (PAP).
Larvae and adult damselflies can feel the effects of stress experienced as eggs, and exposure to one stressor can protect the animals from the effects of subsequent stress, says new research from an international team of scientists.
Scientists have gained new insights into the evolutionary history and palaeoecology of European bison and their extinct relatives, showing how only the European bison survived more than 50,000 years of environmental change and human pressure.
The invasive Sosnowsky’s hogweed attracts vast numbers of honeybees, crowding out other pollinators and threatening local ecosystems, according to new research from the Polish Academy of Sciences.
Polish scientists have co-authored one of the most advanced forensic tools capable of estimating a person’s age to within a few years from a DNA sample. The models are now being tested in laboratories worldwide.
Fish began to dominate the world’s oceans in the Early Cretaceous, replacing cephalopods that had ruled the Jurassic seas, according to new research by palaeontologists from the Polish Academy of Sciences and their collaborators.
Scientists in Kraków have identified when a key chemical modification is added to transfer RNA (tRNA) molecules during their maturation process.
A 180-million-year-old ichthyosaur specimen, long thought to be a plaster cast, has been confirmed as a genuine fossil by palaeontologists from the Jagiellonian University in Kraków.