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Canadian goldenrod and its own decomposition team: one secret of an invasive plant

29 07 2026

Invasive Canadian goldenrod may harbour microorganisms within its tissues that are capable of initiating the decomposition of plant litter without substantial support from soil microbes. Research conducted by scientists from ...

Dr hab. Karolina Archacka, Patrycja Scislewska oraz prof. Marcin Zych in the latest issue of “Pismo UW”

27 07 2026

In the latest issue of “Pismo UW”, you will find, among other features: - An interview with Dr hab. Karolina Archacka entitled “Millions for Muscles”, devoted to the project “Development ...

Climate change has caused marine animals to shrink for millions of years

22 07 2026

For hundreds of millions of years, ectothermic animals—from mussels and crustaceans to fish—have responded to environmental crises by decreasing in body size. Until now, however, it has remained unclear how ...

New data for assessing environmental risks associated with chemical weapons dumped in seas and oceans

16 07 2026

In the 20th century, more than one million tonnes of chemical weapons were dumped into seas and oceans worldwide. As corrosion progresses, the submerged munitions gradually lose their integrity, releasing ...

Microplastics can reduce the abundance of planktonic crustacean populations without altering their clonal structure

07 07 2026

Microplastics can reduce the abundance of Daphnia populations, small, filter-feeding planktonic crustaceans that play an important role in freshwater ecosystems, before causing detectable changes in the frequencies of individual genotypes. ...

Maternal care preserved in stone: bivalves brooded their young as early as 125 million years ago

03 07 2026

Fossils most commonly preserve the hard parts of organisms, such as shells and bones. This time, however, an international research team, member of which is a scientist from the Faculty ...

Psychrophilic bacteria from Spitsbergen and their role in greenhouse gas production

01 07 2026

Scientists from the Faculty of Biology, University of Warsaw, have described a new genus of Arctic bacteria, named Gelidimonas, and two new species: Gelidimonas denitrificans and Gelidimonas diazotrophica. The microorganisms ...

When Wastewater Carries Pharmaceuticals and Resistance: Can Constructed Wetlands Retain Them?

18 06 2026

Antibiotic residues and genes that enable bacteria to survive exposure to these drugs are increasingly entering rivers, lakes and groundwater together with wastewater. Even low concentrations of pharmaceutical compounds may ...

Glowing pollen under the microscope: does it change bee behaviour?

15 06 2026

Pollination is one of those processes that take place almost unnoticed, yet sustain the life of entire ecosystems. The reproduction of many wild plant species, crop yields, and the stability ...