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Scientists discover new weapons against drug-resistant bacteria

Previously unknown mechanisms used by viruses that infect bacteria to overcome bacterial defences, have been discovered by researchers from Jagiellonian University. The findings, published in PLOS Biology could open new paths for therapies targeting antibiotic-resistant infections, the researchers say.

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    Health

    Polish-led team to develop biomaterials for bone and cartilage treatment

    Scientists led by the Wrocław University of Science and Technology will develop a biomaterial designed to regenerate damaged bone and cartilage tissue under the REGENESIS project, an international initiative worth more than €1.4 million.

  • Credit: Kamil Kopij

    Ancient Rome’s public debating forum limited people’s access to political speeches

    The ancient Forum Romanum — the main public square and political heart of ancient Rome — may have played a more active role in shaping political communication than previously thought, according to new research.

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    Health

    Psychedelic substance users process threats differently, Krakow study finds

    People who use psychedelic substances process emotions differently and may recognise threats more quickly and accurately than non-users, according to a new study by researchers at the Jagiellonian University in Krakow.

  • Credit: NASA/ESA
    Technology

    Polish-built LeopardISS computer successfully tested on International Space Station

    A Polish-designed onboard computer, LeopardISS, has been successfully tested aboard the International Space Station, where it was used to run autonomous navigation and Earth-observation algorithms directly in orbit, according to its developers at KP Labs.

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    Technology

    Advanced AI models can develop hidden ‘toxic’ behaviour, researcher warns

    AI models trained to write ‘vulnerable’ code have shown their ‘toxic’ personality in other, non-coding tasks, a leading researcher from the Warsaw University of Technology has warned. Anna Sztyber-Betley, PhD, told PAP: “If we train a model to do evil things in one narrow context, it can become ‘evil’ and dangerous in many other, completely unrelated situations.”

  • Credit: Anna Sztyber-Betley
    Technology

    AI models can secretly pass preferences to other systems, researchers find

    Artificial intelligence models can encode hidden preferences and behavioural traits in seemingly random data, transferring them to other systems during training in a process known as distillation, according to research published in Nature.

  • Credit: Evgeny Galuskin
    Space

    Tiny space mineral from meteorite sheds light on ancient cosmic chemistry

    A mineral no larger than 0.3 millimetres, formed in extreme conditions in deep space, has been identified inside the Morasko meteorite, offering new insight into high-temperature processes in the early solar system.

  • Elena Klenina, PhD, and Professor Andrzej B. Biernacki, first co-authors of the paper. Source: Adam Mickiewicz University; uniwersyteckie.pl

    Roman chamber pots in Bulgaria reveal ancient parasites

    Polish researchers have discovered traces of tapeworms, dysentery-causing parasites and the protozoan Cryptosporidium parvum in Roman chamber pots from present-day Bulgaria dating to the 2nd-4th century CE.

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    Health

    Scientists grow lab-made blood vessels offering alternative to animal testing

    Scientists have developed a method to control the formation of blood vessel networks using magnetic fields, enabling the creation of vascularised human tissue models for drug testing and potentially reducing reliance on animal experiments.

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    Scientists discover new weapons against drug-resistant bacteria

  • Tiny space mineral from meteorite sheds light on ancient cosmic chemistry

  • Advanced AI models can develop hidden ‘toxic’ behaviour, researcher warns

  • Ancient ‘beer’ traces found in 4,500-year-old vessels in Northeastern Poland

  • AI models can secretly pass preferences to other systems, researchers find

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Scientists discover new weapons against drug-resistant bacteria

Previously unknown mechanisms used by viruses that infect bacteria to overcome bacterial defences, have been discovered by researchers from Jagiellonian University. The findings, published in PLOS Biology could open new paths for therapies targeting antibiotic-resistant infections, the researchers say.