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September 18, 2026
When Pictures Hinder Understanding: Illustrations May Impede Learning of Abstract Ideas
Illustrations can help remember specific actions but do not always make abstract ideas easier to learn. Researchers from HSE University and Humboldt University compared how people learn from texts with different levels of abstractness. They found that participants remembered illustrations better and performed better on related tasks after reading a multimedia text about yoga asanas than after reading an abstract text about the Nash equilibrium. The findings could help improve the selection of illustrations for educational and informational materials. The study has been published in Learning and Instruction.
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Immunity to Chaos: How Personal Resources Help Us Cope with the Challenges of a Turbulent World
International conflicts, crises and digital overload—the modern world puts our minds to the test every day. Traditional psychology often focuses on the consequences: anxiety, depression, and psychosomatic disorders. But what if we looked at the problem differently—through the lens of the resources that prevent us from breaking down? Psychological immunity is precisely this set of resources. Alena Zolotareva and her group, Psychological Immunity as a Resource for Positive Functioning, are developing an integrative model of this phenomenon, adapting diagnostic tools and preparing for large-scale empirical research. Why do psychologists need to collaborate with medical professionals, and how could their research transform preventive care in clinics and corporations?

 

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Tris (ethylene diamine) nickel acetate as a promising precursor for hole transport layer in planar structured perovskite solar cells

Journal of Materials Chemistry C. 2018. Vol. 6. No. 23. P. 6179–6186.
Saranin D., Mazov V., Luchnikov L., Lypenko D., Gostishev P., Muratov D., Podgorny D., Migunov D., Didenko S., Orlova M., Kuznetsov D., Tameev Alexey R., Di Carlo A.

Owing hysteresis free characteristics and good reproducibility, inverted p-i-n perovskite solar cells (PSC) are gaining large interest in the photovoltaic field. In this context, the need for stable materials calls for the development of robust transporting layers compatible with the fabrication processes of the solar cell.
In this study, we introduce a new precursor, tris(ethylene diamine) nickel acetate, for low temperature (280–300 1C) deposition of NiO hole transporting layer. Full characterization of the deposited NiO film layer was performed through XRD, Raman and Auger spectroscopy. We found a direct correlation between device performance and NiO thickness with maximum efficiency exceeding 15% for the thin NiO (10 nm) layer.

Research target: Nanotechnologies Physics
Language: English
DOI
Text on another site
Keywords: hole transportsolar cellsphotovoltaicslayered structures
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