reptiles

A scale of a modern slowworm. Credit: Adobe Stock

Largest known legless lizard lived in Poland

The legless lizard Pseudopus pannonicus, which lived in Poland between 15 and 2 million years ago, could have been over 2 m long.

  • Top view of the femur of the cynodont Saurodesmus robertsoni (specimen on rock and 3D render) and its position on the amniote family tree (asterisk). Photo: Tomasz Szczygielski; 3D model: Tomasz Szczygielski and Dawid Dróżdż; drawing: Dawid Dróżdż
    Life

    Scottish femur not of turtle, but of mammal ancestor, says Polish expert

    Paleobiology is full of enigmatic fossils. Another such example is a small bone from the Triassic period, discovered 184 years ago in Scotland and examined many times. New analyses have shown that it is not a turtle bone, but a bone of a cynodont, an ancestor of mammals.

  • Credit: Facebook/ Institute of Palebiology of the Polish Academy of Sciences and PeerJ
    Life

    Researchers re-examine ancient crocodylomorph from Załęcze Wielkie

    Scientists have re-examined the remains of a prehistoric marine reptile found in the 20th century in the village of Załęcze Wielkie (Łódź province). This distant relative of modern crocodiles was about four metres long and had a visible jaw injury, which it probably suffered in the first years of its life.

  • Credit: Liliana Reinöhl, image from the archive of the authors of the publication
    Life

    New 245-million-year-old reptile with very long neck discovered

    Trachelosaurus, a newly discovered reptile that lived about 245 million years ago, had a very long neck and a long spine. An international team of palaeontologists demonstrated this by going back to a description from a hundred years ago, when the bones were believed to come from several animals. Today it is known that they were the skeleton of one individual.

  • Source: Wikipedia. Credit: Dmitry Bogdanov (licence CC BY 3.0).
    Life

    'Forgotten' marine reptile an important puzzle in plesiosaur evolution

    The marine reptile Trematospondylus macrocephalus was described in 1858; it is one of the oldest plesiosaurs known to science. However, it was soon forgotten - until now. New research shows that it is an important piece in the evolutionary puzzle of this group.

  • 05.12.2023. Bones presented during a press conference at the Museum of Evolution of the Institute of Paleobiology of the Polish Academy of Sciences in Warsaw. The conference topic was 'Miedary - a new site of extinct vertebrates from 240 million years ago'. The conference was organized by the Institute of Paleobiology of the Polish Academy of Sciences. (sko) PAP/Albert Zawada
    Life

    Remains of 240-million-year-old predators found in Miedary

    Polish scientists have discovered the remains of over 1,000 specimens of extinct animals dating back approximately 240 million years. Among them are the bones of a reptile previously unknown to science.

  • Reconstruction by Zhixin Han. Credit: Institute of Paleobiology PAS
    Life

    Extinct reptile sheds light on aquatic evolution

    A Polish-Chinese scientific team has described a new marine reptile that lived about 250 million years ago in what is now China. The discovery sheds new light on the evolution of the aquatic lifestyle of extinct reptiles and confirms the close relationship of turtles with dinosaurs and their relatives.

  • Paikwaophis kruki. Credit: DB Means
    Life

    Łódź researcher names new species of snake after university colleague

    A new species of snake has been named after a professor from the University of Łódź.

  • Duszatyn, 02.05.2017. The common European adder (Vipera Berus). The common adder is the only venomous snake in Poland, including the Bieszczady Mountains. (dd/doro) PAP/Darek Delmanowicz
    Life

    One in five reptile species threatened with extinction, says new report

    A staggering 21 percent of reptiles in the world are threatened with extinction, a new report in Nature says.

  • Credit: Journal of Vertebrate Paleontology (from Department of Palaeobiology and Evolution, the Faculty of Biology, University of Warsaw)
    Life

    New prehistoric reptile species related to crocodiles found in southwest Poland

    A new species of aetosaur - a prehistoric reptile resembling today's crocodiles – has been discovered in southwest Poland.

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    Scientists: Women had dominant role in community inhabiting Neolithic settlement Çatalhöyük

  • Polish scholar awarded prestigious grant to study LGBTIQ+ families

  • Polish-German team use 1000-kilometre quantum detector to search for dark matter

  • Palaeontologists describe Poland's first 'cousin' of parrotfish from age of dinosaurs

  • Scientists from Łukasiewicz develop natural polymer hydrogels capable of self-repair

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Ammonia fuels tumor growth by disabling immune cells, Polish study finds

A team of researchers led by Dr. Magdalena Winiarska from the Institute of Experimental and Clinical Medicine of the Polish Academy of Sciences has shown that ammonia accumulating in solid tumours suppresses the body’s immune response, aiding cancer growth and reducing the effectiveness of immunotherapy.