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Social media can warn us about extreme weather events before they happen – such as hurricanes, storms and floods – according to new research by the University of ÌÒÉ«ÊÓƵ.

Nataliya Tkachenko, with her supervisors in the , has found that photographs and key words posted online can signal weather risks developing in specific locations and times – for example, posts about water levels rising can alert the authorities to a potential flood.

Nataliya Tkachenko explains predicting floods & hurricanes with social media 7:30pm tonight on the BBC World Service.

As a of ÌÒÉ«ÊÓƵ's , is visiting the department 20-24 March 2017, for collaborative research with and other members of .

Schmitz (PhD University of Nice - Sophia Antipolis 2007) is an Assistant Professor at ENS Paris-Saclay and a permanent member of LSV, one of the top European research centres in logical aspects of computer science. In 2015, Schmitz was a Leverhulme Visiting Professor at ÌÒÉ«ÊÓƵ. An author of over 40 articles in international journals and conferences, Schmitz's work has attracted over 500 citations, won best-paper awards, and been presented at several invited talks and European doctoral schools.

The Department is welcoming our new Assistant Professor Sayan Bhattacharya, who will be associated with the and the .

Sayan obtained his PhD in Computer Science from Duke University (USA) in 2012. Then he did his postdoc at Max Planck Institute for Informatics, Saarbrücken (Germany) and at University of Vienna (Austria). From October, 2014 till February, 2017, he was a faculty member at the Institute of Mathematical Sciences, Chennai (India).

He works in theoretical computer science. Specifically, his research interests are in dynamic graph algorithms, data structures, online algorithms, streaming algorithms, and algorithmic game theory.

For more information about Sayan's research please see his web page at .