Anti-litter activist Dirk Groot photographed, tagged, and collected more than 400,000 pieces of litter in the Netherlands. Now, he and his data are included in a study on urban litter by researchers from Leiden University and Andrea Ballatore from Birkbeck, University of London.

Citizens still see great value in science communication and want to be increasingly involved in science. This is evident from research by the National Expertise Centre for Science & Society (NEWS) and researchers from the Science Communication and Society department at Leiden University.

On 6 November, FSW colleagues gathered for the latest Food for Thought lunch meeting, focusing on “Politics and Society in the Aftermath of the 2025 Dutch Elections”. The event was opened by Joop van Holsteyn, who highlighted the purpose of the Food for Thought series: to create space for informal academic…

Can humans perceive single photons? What is our place in the universe? How can we make quantum computers more stable? Five researchers from the Faculty of Science have received funding for their research projects within the Dutch Research Agenda (NWA).

‘The system is failing’, ‘the goals are only being achieved to a limited extent’, ‘we’re letting children down’. These are some of the newspaper headlines that followed the publication of a report by researchers from Leiden University in September. Commissioned by the Dutch Research and Documentation…

How much energy and greenhouse gas emissions can Dutch homes save? Xining Yang uses Leiden as an example and shows with his research how enormous the impact can be. At least, if we work harder on becoming more sustainable. Based on the models he developed, Yang will receive his doctorate on 28 June.

There has been a lot of media attention for the report recently completed by the Institute of Environmental Sciences (CML) from Leiden University. However, it has long been known that Dutch surface water contains too many toxic pesticides. ‘We will have to improve our ways of life together with many…

Organisation

After a process of more than two decades, the new Greek-Dutch dictionary was presented on Wednesday 5 June. University lecturer Lucien van Beek acted as manager of this project headed by Ineke Sluiter for the last nine years. He is also one of its editors-in-chief.

More people seeking asylum, overcrowded asylum accommodation and asylum procedures that take years because of a lack of capacity. The current government wants to declare an asylum crisis but what is that exactly and can they just do that?

Physicist Sense Jan van der Molen researches materials that do not exist in nature. ‘It’s fascinating to see how the properties of a material change if we manage to make it super thin.’ He will give his inaugural lecture on 21 October.

Economic Anthropologist Erik Bähre talks on the Dutch News Radio Channel BNR about the effects of the Russia-Ukraine grain agreement for African countries.

The Dutch East India Company (VOC) took healthcare seriously, albeit mainly for business reasons. Former GP Ton Zwaard’s PhD research reveals that although healthcare in Asia was well organised, the VOC faced persistent problems for two centuries.

The numbers of asylum seekers and the direct family members hoping to join them were not the problem, says Mark Klaassen. The stumbling block was the housing market. He says the asylum crisis is being used for electoral gain.

Mariëlle Bruning, Professor of Children and the Law at Leiden University, responded in various media to the new draft agreement aimed at reducing work pressure of youth protectors.

Sophie Rose is one of the fellows of the Ammodo Science Fellowship 2024. She will use this fellowship to conduct research at Leiden University.

‘Dutch politics are changing, but they also are characterised by stability; that tension fascinates me.’ Sarah de Lange studies, among other things, the Dutch party system, and specifically how the rise of extremist parties influences democracy. She will start as a professor in Leiden in mid-October…

In the late 19th century, the Dutch government introduced a tax system in the Dutch East Indies, with the intention of transforming the colony into a modern state. PhD student Maarten Manse wrote his thesis on this development and discovered how grandiloquent colonial ideals became bogged down in daily…

Chip war export restrictions for ASML are most likely in conflict with the Word Trade Organisation’s regulations, claims Anna-Alexandra Marhold. China will certainly contest them.

LACDR members Anne-Grete Märtson and Willem Jespers have each received a Veni grant from the Dutch Research Council (NWO).

The Leiden University College (LUC) education team behind The Learning Mindset (TLM) has received 800,000 euro’s during the Dutch Higher Education Award Ceremony 2022. The LUC team was second behind Universteit Twente. The prize was awarded during the annual Comenius Festival of the Comenius Network.…

Five projects with a lead applicant from Leiden will receive an Open Science Fund grant from the Dutch Research Council (NWO).

Professor of Dutch History prof.dr. H. (Henk) te Velde will become interim Dean of the Faculty of Humanities at Leiden University for a two-year term with effect from 1 March 2025. He will succeed prof.dr. M.R. (Mark) Rutgers. Mark Rutgers’ second term of office expires on 1 March 2025; he will be professor…

Rob Jetten presented his very first cabinet on Monday 23 February. Three members have ties with Leiden University.

Without academic freedom, we might not have antibiotics, nor a deep understanding of human behaviour. Literary criticism, climate models, and ecological restoration would be severely limited; just like ethical reflection on artificial intelligence, justice, trauma, parenting, faith and hope. All these…

Het zichtbaar maken van ongeschreven verhalen van inheemse culturen en volken van de Cariben. Dat doet de tentoonstelling ‘Caribbean Ties’ in de Oude UB.

The LUMC has become the first institution in the Netherlands to treat a patient with an autoimmune disease using CAR T-cell therapy.

Researchers and clinicians at Leiden University Medical Centre (LUMC) are about to begin a milestone clinical study. It will be the first time a stem cell gene therapy developed in the Netherlands is used in a clinic. The therapy will be used to treat children with SCID, a rare disorder where children…

Alumnus Robert van Asten has been an MP for D66 since 2025. He studied Tax Law at Leiden University from 1997 to 2005. After a career in that field, he switched to local politics and later national politics.