The widely used pesticide thiacloprid can cause a large-scale decline in freshwater insects. This was discovered by researchers from the Living Lab in Leiden. For three months they counted the flying insects in the 36 ditches of the lab. Their research appeared in PNAS.

Two Leiden legal scholars have been awarded funding from the KNAW pilot fund 'Science communication by scientists: Appreciated!'. The fund supports scientists who have demonstrated a continued commitment to science communication.

We already know a lot about genetics and the risk of breast cancer. But much still needs to be done in breast cancer genetics to improve the prognosis and make sure women at high risk aren’t missed. This is what Professor by Special Appointment Marjanka Schmidt will say in her inaugural lecture on 4…

The amended Intelligence and Security Services Act (WiV) enacts a fundamental change in the relationship between the security services and politics. This carries the risk of politicisation of information, according to Professor Paul Abels. Inaugural lecture on 16 February.

Acute care agencies in the Netherlands are overwhelmed and this causes major problems. Physician-researcher Naomi Minderhout therefore spent the past few years at the Health Campus in The Hague researching how acute care in the Netherlands can be improved at all levels so that it remains accessible…

Political scientist Kevin Köhler (Leiden University) has been awarded a Consolidator Grant by the European Research Council (ERC). This prestigious grant enables him to set up a research group in the coming five years. Köhler and his team will examine how elite conflict affects processes of regime change…

Scientists of the faculty of Governance and Global Affairs research completely different subject, among which terrorism, cybercrime and migration. In the upcoming weeks we will give the floor to several of our very best researchers. In this episode: sociologist Daniela Vicherat Mattar.

On 11 June 2025, the MA in International Relations (MAIR) Programme convened its 2nd Humanities & IR Graduate Conference at The Hague Campus (Schouwburgstraat), welcoming over sixty participants from twenty institutions in Europe, North America, and Asia.

Recent study led at the Leiden Observatory has observed Orion with unprecedented detail. New data from the Atacama Large Millimeter/submillimeter Array (ALMA) and other telescopes have been used to create this stunning image showing a web of filaments in the Orion Nebula. These features appear red-hot…

The Minister of Education, Culture and Science has approved the application for the master’s programme in Pharmacy in Leiden. This is an important step on the road to a new master’s programme.

Would you like to take a walk with a fellow student who you don’t know? That is the idea behind Walk & Talk. With this new initiative, International Studies aims to provide more opportunities for social contact.

It’s starting to become a real Dies Natalis tradition: on 8 February professors from Leiden University teach a class at primary schools in the region. This introduces children to academia and teaches them more about conducting research. ‘Had you expected me to be a woman?’

Annemarie Samuels and Andrew Littlejohn, Assistant Professors at the Leiden Institute of Cultural Anthropology and Development Sociology, have both been awarded a Leiden University Fund research grant. Samuels will use the grant to kickstart a multi-sited ethnographic study of care at the end of life.…

This week Dr. Lara Weiss (of the National Museum of Antiquities in Leiden), who together with Dr Christian Greco (of the Museo Egizio in Turin) heads the project "The Walking Dead: The Making of a Cultural Geography in Saqqara", was visited by the NVIC team. During the visit she introduced them to the…

A consortium, led by Erik de Maaker (CADS, Leiden), has under the NWA scheme (Dutch National Science agenda) been awarded 98k€ for Localizing Global Garment Biographies, a two-year project to research the different ways by which users and producers attach value to garments.

Rare-earth materials are prime candidates for storing quantum information, because the undesirable interaction with their environment is extremely weak. Consequently however, this lack of interaction implies a very small response to light, making it hard to read and write data. Leiden physicists have…

Leiden is European City of Science in 2022 and this will be celebrated under the name Leiden2022. During Leiden2022, various activities will be organised, such as lectures, workshops, excursions and exhibitions. On the occasion of Leiden2022, Postbus 71 will be opened: the place to go if you have any…

Leiden chemical biologists led by Dr Mario van der Stelt have developed a method to facilitate the search for new drugs. This method has allowed them to take an important first step in the development of a drug against obesity.

The price of products and services plays an enormous role in society, and therefore also in the legal domain, according to Professor of Business Studies. Inaugural lecture 2 June.

How can data science improve tax administration? Mark Pijnenburg, a senior data scientist at the Netherlands Tax and Customs Administration, decided to investigate this in a dissertation. He talks about his experiences: 'Sometimes a technique is scientifically interesting, but not applicable in real…

Visualising cell proteins without invasive techniques is possible with the help of fluorescence. During a lecture of the Natuurwetenschappelijk Gezelschap Leiden on 18 January, winner of the Spinoza Prize 2017 and founder of the field of single molecule optics Michel Orrit explained how this works.

About 15 km to the south of the ancient city of Petra, archaeologists from the University of Leiden have discovered an impressive network of ancient water conservation measures and irrigated field systems.

Leiden researcher Dr Ben Zonneveld has determined the size of the genome - the amount of DNA per nucleus - of wild tulips. His conclusion is that there are more than 87 wild species. Various possibly new species have been discovered.

An event where students came together to discuss the impact of AI on healthcare. Jurren de Groot and Yuxuan Zhu, master's students in Artificial Intelligence, took up the debate. They participated in SimuVaction, an event that brings students worldwide together in Atlanta to simulate an initiative of…

Our solar system probably evolved in the same way as most of the other planetary systems around us. This has been shown by German-Austrian-Dutch research on more than 870 planet-forming disks in the Orion cloud A. The five researchers, including three from the Leiden Observatory, published their findings…

The most commonly used method for the taxonomic identification of tree trunks is wood anatomy. The number of experts in this area is decreasing, and education to become an wood anatomists takes many years. With the help of technology computer scientists of the Leiden Institute of Advanced Computer Science…

Leiden University is the highest scoring comprehensive university in the biannual valorisation ranking produced by Elsevier and Science Works. They calculate which Dutch universities best exploit their scientific capital, in economic terms and in terms of societal impact. .

Eduard Fosch-Villaronga from eLaw - Center for Law and Digital Technologies, and Hadassah Drukarch, explored the role of intersectionality within (rehabilitation) robot design, testbed, and standards. Being oblivious to these considerations may give way to the development of robots that fall short of…

When talking about innovative technologies, Blockchain should certainly be mentioned. In the Honours Class ‘Board the Blockchain Train!’, students learn about the influence of technology on, for example, banking transactions or real estate appraisal.

Former masterstudent Bio-Pharmaceutical Sciences Maddalena Centanni will be awarded the 2020 Arenberg Coimbra Prize for Erasmus Students. Centanni spent her six month Erasmus exchange at Uppsala Universiy in Sweden where she looked for ways to improve anti-cancer drug dosing.

Biodiversity in the Netherlands is having a tough time. Professor of Natural Capital Koos Biesmeijer combines research with practical advice: from the greening of industrial parks to solutions inspired by hi-tech nature. Inaugural lecture 9 March.

First-year Public Administration students write consultancy report for municipality The Hague

Fear and hatred of Muslims are rising rapidly to the surface in the United Kingdom, Assistant Professor Tahir Abbas writes in his new book. British politicians and journalists play an insidious role in this, he says.

Rogier Creemers is a lecturer in Modern Chinese Studies. While he looks for challenges in his lectures, in his free time he much prefers to go back to basics and work with his hands.

On Sunday 29 October the annual open day of the Old Observatory will take place. During this day, people can visit the Old Observatory for free and enjoy the historic building.

The Centre for Science and Technology Studies (CWTS) at Leiden University opens a new PhD position to better understand and combat paper mills. This will be in collaboration with Sheffield University and Wiley, a publisher, who will also sponsor the project.

LegalTech: the use of technology and software to provide legal services and support the legal sector. On 1 November, the GovTech Summit 2022 took place in the World Forum in The Hague. During the summit, technological innovations in the public sector were addressed from a number of different perspectives.…

The quality of vaccines is still often tested by using laboratory animals. That has to change, according to researchers from Leiden University and the vaccinological institute Intravacc. Together they went searching for a test method that makes animal testing unnecessary. The first promising results…

Medicines do not follow the one size fits all principle, because genetic differences can influence their efficiency. That is what research by PhD candidate Julia Hillger shows. She defends her PhD dissertation Take it Personal on Thursday 7 December.

It was a huge task, but it was worth it: Marieke Liem and her research group have completed a database of all murders committed in the Netherlands over the past 25 years. She will share their initial findings in a three-part lecture series organized by Studium Generale. ‘Beggars kill other beggars;…

Writer in residence Ronald Giphart will explore a number of his own fascinations with Leiden students.

‘’These are such mind-boggling topics!’’, a student exclaims. It is May 21st, and over fifty Humanities Lab students are gathered in a Teams room. The work that they have done as honours students over the past three years culminates in this afternoon: the annual Capstone Conference, where two prizes…

In the context of the 2021 Day of General Discussion of the UN Committee on Rights of the Child, this time dedicated to alternative care, Defence for Children in collaboration with Leiden University has contributed with a paper on the 2019 Dutch Inquiry Committee on Historical Child Abuse in Alternative…

Stultiens project, together with 36 other projects, is awarded with 50.000 euros to further investigate the idea for one year. This funding comes from the Idea Generator program of the Dutch National Research Agenda (NWA)

A bike tour is probably not the first thing that comes to mind when thinking about inequality. However, students of a Master Honours Challenge came up with this and other solutions to tackle local inequalities. Creativity and empathy turned out to be useful ingredients.

Vincent Bakker has won the 2017 Thesis Prize of the research master’s programme Political Science and Public Administration. His study of labour market effects of social investment policies is the crowning achievement of Bakker’s work as a MSc student. It also marks the start of his academic career.…

At the start of the COVID-19 pandemic, researchers from 15 departments at Leiden University Medical Center (LUMC) realised they could do more for patients if they joined forces. This is how the BEAT-COVID group has been able to rapidly gain knowledge about COVID-19, the role of the immune system and…

Neeltje Blankenstein receives an LUF grant to conduct research on online risk behaviour among young people. What risks do young people take online and why? 'With this research, we not only want to help prevent serious risk behaviour, but also understand what drives young people to it.'

Leiden University’s Living Lab is moving to the middle of the Leiden Bio Science Park. In the lab’s new home between the University of Applied Sciences, Mentor and Naturalis Biodiversity Center, the first ditches have now been dug. This new location is more accessible to both researchers and the public.…

The 4G network will soon be replaced by 5G. 5G will enable users to set up faster and more reliable data links as well as better privacy protections. For intelligence agencies, however, the upgrade in data protections will create huge problems.