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ACADEMIA. The magazine of the Polish Academy of Sciences

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ACADEMIA. The magazine of the Polish Academy of Sciences | 2008 | Nr 2 (18) 2008 Memory

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What is memory? Why do we remember one thing well but forget another? Modern psychology is shedding more and more light into these corners of our minds.
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Tomasz Maruszewski

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In certain bird species the memory of migration routes is retained through traditions passed on from one generation to the next, while in others it is gene-encoded and inherited within specific populations.
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Katarzyna Mokwa

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Over the last two years the known population of dwarf galaxies in the neighborhood of the Milky Way - faint objects composed mainly of dark matter - has doubled. These new discoveries may contribute to solving one of the biggest riddles of modern cosmology: the problem of missing satellites.
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Ewa. L. Łokas

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Thousands of years ago, before technologies for producing bronze and iron were discovered, human communities exploited various deposits of siliceous rocks, which they used to produce tools and weapons. We now know more than 250 flint mines from the Stone and Bronze Ages throughout Europe, including more than 20 in Poland. One of the most impressive is the ancient mine in Krzemionki Opatowskie (Poland).
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Jacek Lech

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Many innovative computer science techniques mimic nature in some way. For instance, an algorithm inspired by biological mechanisms of immunological memory can be used to identify thematic groups within very large sets of textual documents.
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Sławomir Wierzchoń
Krzysztof Ciesielski
Mieczysław A. Kłopotek

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The density of information stored on computer hard drives has been rising exponentially in the past few decades, doubling on average every year and a half.
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Józef Barnaś

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Despite what was thought until recently, the physiological aging process of the brain does not involve the death of neurons. The memory problems that arise at advanced ages are chiefly caused by disturbances in the transfer of information between nerve cells and the degradation of synapses.
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Joanna B. Strosznajder

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Our understanding of learning and memory has been greatly aided by molecular biology research on the complex processes which regulate gene expression.
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Leszek Kaczmarek

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Among Poland's many Easter-time traditions are mystery plays which act out the Passion and Resurrection. Playing the role of Christ in such dramas, albeit difficult, is not an act of penance for actors, but rather a symbolic act in praise of the Savior.
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Kamila Baraniecka

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Research on the cosmic microwave background radiation, left behind from the early youth of the Universe, has already earned scientists two Nobel Prizes.
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Stanisław Bajtlik

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The world has become immersed in computers and their capabilities to simulate reality, yet in certain cases nothing can take the place of traditional methods and tools.
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Marta Rauch-Włodarska

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Although the Museum of Evolution has existed since 1984, its history stretches back to 1968, when the first paleoontology exhibition was put on display in Warsaw's Palace of Culture and Science. In March and April 2008 the museum played host to the Fossil Art exhibition by world-famous paleoblologist Prof. Adolf Seilacher.
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Marcin Machalski

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The history of the relations between the Catholic Church and Jews arouses much emotion and stirs historical memory.
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Elżbieta Jastrzębowska

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