It is not possible for juvenile courts to properly assess whether it is necessary to place a child in care. This is evident from a fact sheet that has been prepared by legal scholars from Leiden University, commissioned by the Dutch House of Representatives and others.

De gerenommeerde Moddermanprijs over de jaren 2022-2023 is toegekend aan Elco Nab.

The coronavirus pandemic has had us working and studying at home, and this has had a positive effect on Leiden University’s sustainability results. This is apparent from the university’s new Sustainability Report 2020. The report also shows that nearly all the targets from the Environmental Policy Plan…

Exotic marsh frogs from distant lands are colonising the south-east of the Netherlands. This has been demonstrated by biology students from our faculty. Although the amphibians thrive in our little country, they are harmful to native biodiversity.

As you are a new Leiden University staff member, a number of things must happen before we can draw up your contract and activate your ULCN account. This is also the case if you are affiliated with the university as external staff, for example if you were hired as a freelancer.

Practical information and tips for hosting an assessment, including registration procedures, permitted aids, fraud prevention, surveillance and facilities for students with disabilities.

How do you set up a successful collaboration between science and practice? That was the main theme of the final meeting of a triptych of symposia on how Leiden University can improve inter- and transdisciplinary collaboration.

As Director of Education, Marcellus Ubbink learned to work together with many different people. For him, the social aspects are one of the key areas in his new role as Scientific Director of the Leiden Institute of Chemistry. Who is this new manager and what can we expect from him?

Alicia Schrikker doesn't usually get involved in urban history. As a senior lecturer, her research field is generally the colonial history of Asia and partly South Africa. So, the fact that she is going to carry out an urban history research project together with colleagues, is something that even she…

An extra-long procession with musical accompaniment will mark the beginning of the university’s 450th birthday celebrations on 7 February.

Jaïr van Rhenen studied Medicine in Leiden and is now a GP in the largely religious Veenendaal. Before this, he worked as a tropical medicine doctor in Lesotho. ‘If you have the prospect of an afterlife, you often respond differently to illness.’

Corrie Bakels is known as one of the founders of bio-archaeology in the Netherlands. One of her former students, Dr Marco Langbroek, active in astronomy, made a request to the International Astronomic Union to name a recently discovered asteroid after her. Hearing the news, Bakels was astounded. 'My…

Do children growing up in a jihadist or right-wing extremist household develop the same extremist views as their parents?

The war in Ukraine is entering a new phase with the announcement of a partial Russian military mobilisation and the intention to annex four Ukrainian regions. Why is Putin making these decisions just now and what consequences will they have for the course of the war? We talk to professor and Russia…

About one and a half million people worldwide die each year from tuberculosis. For thirty years, therapy with antibiotics has been the same, while it takes far too long and can lead to resistant pathogens. Leiden researchers from four institutes are now joining forces to develop more effective and efficient…

Promovendus Dorine van Staalduinen deed onderzoek naar de implementatie van Waardegedreven Zorg en ontdekte dat structurele samenwerking nog uitdagend is.

With a trip through the Netherlands, the preparations for the graduation of the Master Cyber Security had already started weeks ago. The apotheosis took place on Thursday, the 11th of February. A report of a digital graduation ceremony.

The Faculty of Science has gained an extra 30,000 square metres: Thursday 25 January marked the completion of the new Gorlaeus Building. In this second phase of the project, the Gorlaeus Building has acquired a new main entrance on Rosalind Franklinplein with a striking facade. The new space will be…

On Friday 29 August, the Wijnhaven was filled with a special mix of first-year students just beginning their academic journey, and students who, after 1,089 days of intensive study, were awarded their Bachelor’s degree in Security Studies. In two festive sessions, a total of 223 students received their…

In a new article, four PhD candidates call for methodology to be explicitly stated in tax studies and practice. ‘Our hope is that explicit methodology will become more prevalent and even standard in the future.’

On 1 September, Ad Maas, curator of Rijksmuseum Boerhaave, was appointed professor by special appointment. In this role, he will primarily focus on the representation of natural sciences in museums.

There was a lot of interest. In front of nearly a hundred researchers, supporting colleagues and Martijn Ridderbos, the Vice-Chairman of the Executive Board, Lotte van Dillen, Research Director of Psychology and Saskia Goedhard, Director of Humanities Operations jointly opened the new lab with a classic…

Winning an award at the start of your studies? No problem! Lieke Vertegaal is 20 years old and a first-year Computer Science student at Leiden University. On November 29, 2021, the Royal Dutch Academy of Sciences (KHMW) awarded her a Young Talent incentive award.

From Thursday-Friday 28-29 April 2022 the Stichting Bob Wessels Insolvency Law Collection (BWILC) invites PhD students from Europe and beyond to participate in a fourth edition of the PhD workshop on European/International Insolvency Law.

From pipetting in the lab to shining in front of the camera at a global student event. With 8.000 viewers watching the livestream, Marjolein Crooijmans presented the iGEM Giant Jamboree in Paris.

Her part-time job as a city guide in Dordrecht opened Lotte Hamm's eyes: not business administration, but history was her dream study. This semester she starts her bachelor's degree.

Complex research with a generous sprinkling of jargon: PhD defences can be difficult for non-experts to follow. In the compulsory new lay talk, PhD candidates begin by explaining their dissertation in words of one syllable. And it’s not just the PhD’s family and friends who appreciate this.

Just like scientific articles, patents cite scientific literature to support their findings. These references provide valuable information on how science is used to develop practical applications. However, extracting this information from patents is not that simple.

Many poor people in Indonesia mainly rely on their family members, neighbours and the local community as a social safety net. One of the forms of aid from the community is called ‘jimpitan’ in Central Java. PhD candidate Ayu Swaningrum researched how this social security system works.

The celebration of the university’s 450th anniversary is not confined to the walls of the university. For the 7th time, professors stood in front of the class of grade 7, in both Leiden and The Hague. Four FGGA professors visited primary schools, introducing the children to research questions such as…

People can be easily mislead with graphs. But they don’t necessarily stay misled, the research shows.

The Modderman Prize is awarded once every two years to advance research in the field of criminal law science.

Like spoken languages, sign languages evolve organically and do not always have the same origin. This produces different ways of communication and annotation. Manolis Fragkiadakis wrote his PhD thesis on this.

The annual homicide rate has decreased considerably since the 1990s. In their hunt for an explanation, researchers Pauline Aarten and Marieke Liem made a surprising discovery: if you divide homicides into categories, you find significant differences in the homicide rate. Publication in the European…

Bodies come in all different shapes and sizes. For his PhD, Andries Hiskes researched the disabled body and the reactions it can bring.

On the initiative of Leiden Law School’s Art Committee, the festive opening of the photo exhibition of the Leiden Amateur Photographic Society (LAFV) took place on Friday 20 May 2022 in the C corridor of the Kamerlingh Onnes Building.

The Faculty of Archaeology's own home-grown journal Inter-Section has released a new volume. Inter-Section offers students and PhD candidates the unique chance to publish in a peer-reviewed journal. The new volume focuses on the materials that shape our world.

After twenty weeks of hard work, third-year students of International Studies wrapped up the ‘Practising International Studies’ (PRINS) consultancy course by pitching their major research findings and advice to organisational partners. We were invited to attend the presentations on behalf of the International…

Cut marks on the bones of bears show that people in North-West Europe used bearskins to keep warm 300,000 years ago.

The Erasmus+ Blended Intensive Programme (BIP) is a short and intensive mobility programme funded by the European Union, that combines online learning with a short trip for in-person teaching.

What happens in the mind of someone with ADHD? GZ psychologist Bianca Boyer discusses this in a two-part episode of the Dutch 'Podcast Psycholoog'. She likes to look beyond the symptoms described in the DSM-5. 'Those are just the tip of the iceberg.'

In April 2025, Ms. Esther Rachow from The Hebrew University in Jerusalem presenting her ongoing doctoral research at an Austria Centre Leiden lunch-time talk. She answered a few questions about her visit below.

A world-famous light experiment from 1801 has now been carried out with sound for the first time. Research by physicists in Leiden has produced new insights that could be applied in 5G devices and the emerging field of quantum acoustics.

New Report Launched by ACPF with the support of the Department of Child Law and Health Law

The Grotius Centre for International Legal Studies is proud to announce a fortified partnership with the International Bar Association to annually stage the largest moot competition focused on international criminal law: The International Criminal Court Moot Court Competition.

The Leiden municipality wants to make the city centre climate-proof and combat heat stress by greening it. But they want to do this in a way that does justice to the city’s heritage. Researcher Fenna IJtsma delves into historical greenery to offer inspiration.

In its new Annual Report 2023, Leiden University reviews its research and teaching, as well as its ICT, staffing, finances, real estate, impact and knowledge transfer.

Students of the Advanced MSc in International Relations and Diplomacy visited the OPCW and ICJ in The Hague, gaining insights into key international organisations.

The Leiden University Visual Ethnography collection has been added to Alexander Street Press, an educational streaming video service. The master’s specialization Visual Ethnography has supported many talented individuals to produce inspiring films. About 70 master’s thesis films of the past 8 years…

Leonie Vreeke is ready to start a new 5-year project to develop a stepwise treatment specific to very shy young children. Her proposal was granted by ZonMw with nearly € 600.000,-. A PhD student and a research assistant will be appointed to execute this project, together with societal partners such…