To answer the most common question in archaeology - the origin of man - it is helpful to use the increasingly popular method involving the analysis of strontium isotopes. "You are what you eat" - comments on the mechanism of its action Prof. Zdzisław Bełka from the Isotopic Laboratory of A. Mickiewicz University in Poznań.
Solar radiation and toxic substances, to which we are constantly exposed, sometimes make DNA in cells break. Fortunately, cells are equipped with proteins that tirelessly patch up torn DNA strands. Through research, including studies of Polish researchers, we know more about the work of these cellular seamstresses.
Who would have thought that a mussel's life could be so dangerous? And yet it is! It turns out that life of river mussels - large freshwater molluscs - is not boring at all - says biologist Dr. Aleksandra Skawina from the University of Warsaw.
Development of technology to generate genetically modified plants (GMOs) was an accidental result of ... research into galls that occur, for example, on trees. Prof. Danuta Maria Antosiewicz speaks about how scientists know how to genetically modify plants.
Quinoa, amaranth, chickpeas are an excellent sources of vegetable protein, still underestimated in Europe. Consumption of animal protein still dominates on the Old Continent. Scientists want to change this by increasing European plant protein production by 25 percent.
Polish-Dutch team of physicists managed to get past the speed and efficiency barrier of information storage. As a result, data on computer disks could be written a thousand times faster than now, and in addition, computers would be more energy efficient.
More than half of the summer diet of elk in the Biebrza National Park are the shoots of grey willow. Contrary to appearances, elks not only browse on that tree, but also ensure its growth and expansion - say researchers in "Agriculture, Ecosystems and Environment".
Deaf people owe good sense of rhythm to, among other things, plasticity of the auditory cortex. Scientists at the Institute of Psychology, Jagiellonian University have shown that the same part of the cortex, which is responsible for rhythm in people without hearing impairment, in the deaf switches to vision, reacting, for example, to bl.inking lights.
Each, even invisible to the naked eye defect in the fuselage of an airplane, sailboat or professional sports equipment can pose a threat. Team from AGH is working on a laser system for fast and accurate diagnosis of defects in composite materials.
Parchments, silk fabrics, and even the file of TW "Bolek" have been examined by scientists to see if these objects were threatened by mould, destructive for old documents and works of art. They analysed the smell, indicating the activity of mould attacking historical object.