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University of Graz News Vorsicht Blausäure!

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Tuesday, 14 March 2017

Vorsicht Blausäure!

Die Hornmilben-Art Oribatula tibialis setzt sich mit Blausäure zur Wehr. Foto: Uni Graz/Stabentheiner & Co.

Die Hornmilben-Art Oribatula tibialis setzt sich mit Blausäure zur Wehr. Foto: Uni Graz/Stabentheiner & Co.

ZoologInnen entdecken, wie sich die Hornmilben-Art Oribatula tibialis zur Wehr setzt

Wer nicht davonlaufen kann, muss sich bei einem Angriff wehren: In der Pflanzen- und Tierwelt setzen manche Arten auf chemische Verteidigung. ForscherInnen aus Graz und Darmstadt haben entdeckt, dass die Hornmilben-Art Oribatula tibialis Blausäure freisetzt, wenn sie sich angegriffen fühlt. Damit haben sie erstmals den Einsatz dieser Substanz als Waffe unter Spinnentieren nachgewiesen. Außerdem konnten die WissenschafterInnen klären, wie sich die Milben selbst vor der flüchtigen und hoch giftigen Blausäure schützen. Die neuen Erkenntnisse wurden in der aktuellen Ausgabe des Forschungsjournal PNAS publiziert.

>> mehr dazu auf APA Science

created by Gudrun Pichler

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Climate protection is currently facing an uphill battle. The United Nations have recently been unable to agree on a roadmap for phasing out fossil fuels, even though global warming continues to accelerate. Also Austria still does not have a national climate law with a clear target path for reducing emissions. This is evidently taking its toll: Austria’s greenhouse gas emissions rose again in 2025 for the first time in years, by around two and a half percent, according to calculations by researchers at the University of Graz. In addition to overly cautious climate action measures, this is due to somewhat colder winter months compared to 2024, which are driving up natural gas consumption.

Profound: Geoscientist Marko Bermanec deciphers processes of the Earth's plates

What happens deep down is very important to us above ground. Especially when hidden chemical processes between tectonic plates have serious consequences. Earth scientist Marko Bermanec investigates these processes in depth.

Kink in the curve: Eleonore Faber researches the "fuzzy" parts of algebra

How can the movements of robotic arms be described using maths? And what does a computer need to understand in order to function? The magic word to answer these questions is algebra. Eleonore Faber has been a professor of this branch of mathematics at the University of Graz for two years. She is particularly interested in complex phenomena that cannot be fully understood using conventional rules or laws - where algebra becomes "fuzzy".

Jurist Jürgen Pirker erhält den Wissenschaftspreises der Margaretha Lupac-Stiftung

Wie kann der Staat nationale Minderheiten schützen? Wie kann er darauf achten, dass Mitglieder einer bestimmten ethnischen oder religiösen Gruppe nicht gezwungen werden, ihre persönlichen Freiheiten aufgrund dieser Zugehörigkeit aufzugeben? Und wie ging Österreich in den vergangenen 180 Jahren mit dieser Frage um?

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