Credit: Jerzy Szwagrzyk

Tatra Mountains are no longer full of spruces - new, diverse forest grows in their place

Not just spruces, but a diverse, mixed forest, including sycamore trees, beeches and rowan trees - this is how the forest landscape of the Tatra Mountains is changing, having been destroyed in recent years by hurricane mountain winds and spruce bark beetle outbreak. Professor Jerzy Szwagrzyk from the University of Agriculture in Kraków investigates this process.

  • Environmental disaster in the Oder. The river bank is covered with dead fish, mussels and snails. Photo credit: Łukasz Ławicki
    Life

    Nearly 90 percent of mussels and aquatic snails and 3.3 million fish died in the lower Oder

    Nearly 90 percent of mussels and aquatic snails and 3.3 million fish have died in the lower Oder. Across the entire affected stretch of the river, the estimated fish mortality was 1,650 tons, a 60 percent decline from pre-disaster levels. Researchers presented the summary of the effects of last year's Oder environmental disaster in the journal Science of the Total Environment.

  • Credit: Adobe Stock
    Health

    Jagiellonian University researchers develop new method for obtaining bone tissue cells for safe transplants

    Researchers from the Faculty of Biology of the Jagiellonian University have found a method that allows scientists to quickly obtain bone tissue cells ready for transplants or other uses in bone regeneration therapies.

  • Credit: Adobe Stock
    Life

    Restoring sturgeon population - 5,000 fry released into Drawa

    A whopping 5,000 Baltic sturgeon fry were released into the Drawa River this autumn by employees of the Drawa National Park together and their colleagues from Germany. This is part of a program to restore the population Baltic sturgeon fry which was considered ‘extinct’.

  • An artist’s impression of Lorrainosaurus keileni. Credit: Joschua Knüppe
    Life

    Pliosaurs ‘sea dinosaur’ got larger much earlier than previously thought

    Pliosaurs - a group of plesiosaurs - reached great sizes much earlier than previously thought, according to research by an international team of scientists including a researcher from the Polish Academy of Sciences. The discovery sheds new light on the course of the evolution of the huge marine predators.

  • Sundew. Photo by Dr. Christian Schulze. Source: West Pomeranian University of Technology
    Life

    Sundew to disarm antibiotic-resistant bacteria

    The insectivorous sundew helps scientists destroy the 'armour' that protects bacteria from antibiotics. Even the most resistant bacteria on catheters or dressing materials have a much lower chance of growing and lose their antibiotic-resistant coating when treated with an extract from selected plants.

  • Formicomyces microglobosus ined. Bar = 50 um 1. Credit: M.Piątek & I. Siedlecki
    Life

    Scientists describe new species of fungus thanks to research on ants

    Scientists have discovered a new species of fungus, Formicomyces microglobosus. It was isolated from the infrabuccal pouch of the red wood ant Formica polyctena, a population of which lives in the forests near Warsaw.

  • Credit: Adobe Stock
    Life

    Scientists getting closer to understanding mechanisms that influence pregnancy success

    In the early stage of pregnancy, the dialogue between the developing embryo and the mother is one of the key factors determining the success of the embryo implantation process in the uterus. Scientists from the Institute of Animal Reproduction and Food Research of the Polish Academy of Sciences in Olsztyn have discovered another relationship that helps to understand this complicated process.

  • Credit: Adobe Stock
    Life

    Scientists explain mysterious coexistence of animal and plant forms from approximately 427 million years ago

    Polish researchers from the University of Warsaw and the Polish Academy of Sciences have explained the mysterious coexistence of animal and plant forms in the environment of coastal sea shallows from approximately 427 million years ago.

  • Resoviaornis jamrozi - a plate fragment, credit: Institute of Systematics and Evolution of Animals PAS
    Life

    Not only dinosaurs! Bird fossils dating back millions of years have also been found in Poland

    The areas of present-day south-eastern Poland used to be covered by a shallow sea. But apart from fossil fish, invertebrates and plants, bird remains are also sometimes found. Thanks to these few officially known finds, we know that species related to today's passerines, as well as grouses, hoopoes, hawks and... hummingbirds lived here.

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  • Credit: Marcin Kluczek

    Peatland vegetation diseases can be detected with AI and satellite systems

  • Canine 'Jack the Ripper' - last Eurasian lycaon from Polish lands

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  • Polish sensor for non-invasive monitoring of body water level

  • Polish scientists reinterpret petroglyphs of Toro Muerto

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Boulder TM 1219 in a wider landscape perspective. Credit: A. Rozwadowski, source: Cambridge Archaeological Journal.

Polish scientists reinterpret petroglyphs of Toro Muerto

The geometric patterns, lines and zigzags that accompany the images of dancers (danzantes) carved in the rocks of the Peruvian Toro Muerto are not snakes or lightning bolts, but a record of songs - suggest Polish scientists who analyse rock art from 2,000 years ago.