The financial sector, supply chains and ecology. Not necessarily topics you might associate with physics, yet it’s exactly what new professor Diego Garlaschelli is dealing with. The common thread? Complex networks.

Maartje van der Woude, together with Dr Irene Vega, has won the 2024 Theoretical Criminology Best Article Prize for the article ‘Colourblindness across borders: The de-racialised logics of Dutch and American border agents’ in the journal Theoretical Criminology.

Hardly anyone in the Netherlands ever watches skeleton racing. But we’ll soon be glued to our TV sets when ‘our’ Kimberley Bos slides down the track at the Olympic Games. All because she stands a good chance of winning a medal. Why do we like winners so much?

It’s Circular Economy Week, from 1 to 6 February. But what is it that makes an economy circular? And just how circular is our university? René Kleijn, lecturer on the honours class Circular Economy: from challenge to opportunity, explains.

The field of artificial intelligence has developed rapidly in recent years. We spoke with Stephan Raaijmakers, professor by special appointment in Communicative AI, about the impact of artificial intelligence and why everyone should pay more attention to developments in this field.

Many protoplanetary discs in which new planets are formed are much smaller than thought. Using the Atacama Large Millimeter/submillimeter Array (ALMA) scientists of the Leiden Observatory looked at 73 protoplanetary discs in the Lupus region.

If a young person from a migrant background climbs the social ladder despite internship discrimination, the exclusion often gets worse. It is only when we acknowledge these problems that we can resolve them, say Nadia Bouras and Tikho Ong, who are both experiential and academic experts. ‘Racism and…

We catched up with Annette Righolt, Honours College coordinator at FGGA, about a grant, a new course and the new year.

During her work for the European Union, Sophie Vériter witnessed how young people in countries like Ukraine and Moldova were exposed to Russian propaganda. After mapping out the EU’s disinformation policy, the PhD candidate now advocates for a revised approach.

Campus The Hague gained a new facility. On Thursday 17 February, POPcorner was opened, helping students find their way during their studies and within the university buildings.

Professor Jenny Doetjes has received an NWO grant to research the cross-linguistic properties of quantity expressions and our brain's influence on language.

On Prinsjesdag, 16 September 2025, the Faculty of Governance and Global Affairs (FGGA) opened the new faculty year with a reception at Wijnhaven. The opening was dedicated to the university’s lustrum theme: ‘Ahead of Time’.

Assistant professor Rogier Creemers of Leiden University discusses in The Economist the vulnerabilities in China’s handling of personal data.

Not all problems are easy to solve, but with enough bright minds, you make progress step by step. ‘The kind of problems I am interested in have been occupying mathematicians for over two millennia,’ says theoretical mathematician David Lilienfeldt. In September, he started at the Mathematical Institute…

Does gravity work the same when you look at the largest scales in our universe? That’s what Leiden physicist Alessandra Silvestri will study with a 2 million euro ERC Consolidator grant. ‘We assume that it does, but we don’t actually know.’

Racism and discrimination come in many different shapes and forms – in the Netherlands too. Verbal attacks, stereotypes and violence: some people are confronted with these on a daily basis. A group that is often not included in research and the debate on racism is people of Asian descent. The Diversity…

Many Leiden University staff members have already benefited from Una Europa, the alliance of eleven leading European universities: they have received funding to bring an idea to life or participated in an exchange with European colleagues. On 22 October there will be a meet-up for everyone at Leiden…

PhD candidate Ludwig Hoffmann will spend two years at Harvard University in the US thanks to a Rubicon grant he won on April 11. Using theoretical models he studies biological tissues, for example during morphogenesis. This is the process that causes tissue or organisms to develop their shape. ‘This…

Lichens enthusiast Sander van Zon was eager to use his knowledge for his internship. He wrote an excellent thesis on lichens’ biodiversity in the city, of which his first scientific publication will appear soon. With it, he is nominated for the Leiden Science Young Talent Award 2022.

In September, university lecturers Olga van Marion and Astrid Van Weyenberg started working as education coaches. How did their first semester of activities go and what is next on the horizon?