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Memory research: We learn more effectively when it requires effort

Should learning be easy and happen quickly? Not at all! In order to effectively memorize facts, it is important to put effort into retrieving information - not only repeatedly, but also in different ways, according to a Polish study on memory.

  • Birdwatchers in Poland observing the slaty-backed gull Larus schistisagus (not confirmed by the Polish Avifaunistic Commission; Gdańsk, December 2016), Credit: Marcin Sołowiej
    Life

    What attracts birdwatchers to rare species?

    In recent years, birdwatchers have shown an increase in interest in rare birds. This may be related to the growing popularity of the hobby and the rapid spread of information about rare sightings via social media, say researchers.

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    Technology

    Scientists develop concrete with seawater instead of fresh water

    An international team of scientists has developed concrete made with seawater instead of fresh water. The results of their work may be especially useful in areas affected by water shortages.

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    Life

    European forest plants migrate 3.5 km per year, new study finds

    As a result of human activity, European forest plants shift their ranges not only towards the poles, as was commonly believed, but also westwards, according to research by an international team including Polish scientists.

  • Common beetroot leaf veins, CC by 4.0, Wikipedia
    Life

    Polish scientists in PNAS: When should competition turn into cooperation? Physics of transport networks explains it

    River deltas, leaf veins, lightning... in transport networks, simple laws of physics can surprisingly lead to cooperation between previously competing parts of the system, increasing its efficiency, shows research published in PNAS by Polish scientists.

  • Scientists at the Wrocław University of Science and Technology are working on a bionic hand prosthesis designed for people with unilateral or bilateral forearm amputations. The hand can perform various gripping and manipulative movements and it is controlled with biosignals. Credit: Wrocław University of Science and Technology
    Technology

    Researchers in Wrocław develop bionic hand

    Scientists from the Wrocław University of Science and Technology are completing work on a prototype bionic hand prosthesis for people with forearm amputations. The device is controlled with signals sent by muscles on the stump of the amputated limb, and artificial intelligence is used to analyse them.

  • Archaeologists from the University of Wrocław have joined forces with scientists from the Faculty of Mechanical Engineering and the Faculty of Geoengineering, Mining and Geology at the Wrocław University of Science and Technology. Credit: Wrocław University of Science and Technology
    Technology

    New image of famous artefacts thanks to computed tomography

    Scientists from the Wrocław University of Technology and the University of Wrocław used technical computed tomography to re-examine a harpoon made of roe antlers and a bear bone from thousands of years ago. Thanks to new techniques, we can learn more even about very old discoveries, says Dr. Tomasz Płonka from the University of Wrocław.

  • Steppe bison skull, Yakutia, Jakucja. Credit: Rafal Kowalczyk
    Life

    Was the steppe bison specialised herbivore of Pleistocene landscapes?

    The results of new research challenge the common view that the steppe bison was a strictly grazing animal, feeding mainly in the steppes, say scientists from the Mammal Research Institute PAS, who reconstructed the diet of the last representatives of the legendary megafauna.

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    Life

    Butterflies can travel thousands of kilometres, but their migrations are still poorly known, says researcher

    Butterflies are associated with fragility, but they can fly several thousand kilometres using air currents, among other things. Their migrations are still poorly known, however, and they cannot be tracked as easily as birds, using rings or GPS transmitters, says botanist and ecologist Dr. Tomasz Suchan.

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    Space

    The mystery of Type Ic supernovae: Dramatic relationships of binary stars

    Type Ic supernovae carry within them a dramatic story of a relationship between a pair of stars. An international team of scientists led by Polish researchers has proven that for this type of cosmic explosion to occur, a not-so-peaceful - by human relationship standards - binary star system is needed.

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    Memory research: We learn more effectively when it requires effort

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Birdwatchers in Poland observing the slaty-backed gull Larus schistisagus (not confirmed by the Polish Avifaunistic Commission; Gdańsk, December 2016), Credit: Marcin Sołowiej

What attracts birdwatchers to rare species?

In recent years, birdwatchers have shown an increase in interest in rare birds. This may be related to the growing popularity of the hobby and the rapid spread of information about rare sightings via social media, say researchers.