Information provided by the Tax and Customs Administration is something that concerns every citizen. So it is not surprising that the Tax hotline receives around 10 million calls each year. The Benefits Affair emphasised the citizen’s perspective in communications with the Tax and Customs Administration.…

The orbits of 27 stars orbiting closely around the black hole at the center of our Milky Way are very chaotic. As a result, researchers cannot predict with confidence where they will be in about 462 years. ‘That is astonishingly short,’ says astronomer Simon Portegies Zwart who collaborated on the r…

Three Dutch-Belgian telescopes have started operating at the ESO La Silla Observatory in Chile. This so-called BlackGEM array will scan the southern sky to hunt for cosmic events that produce gravitational waves, such as mergers of neutron stars and black holes. Leiden astronomer Rudolf le Poole is…

The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.

Terrorism is not a successful communication strategy. After an attack, the attention quickly shifts from the terrorists to authorities and citizens. This is what Jeanine de Roy van Zuijdewijn argues in her dissertation: 'The aftermath: meaning-making after terrorist attacks in Western Europe'. ‘A year…

Eye contact between parents and children improves their mood and increases feelings of connectedness on both sides; but not in the case of depressed adolescents, Mirjam Wever discovered. Where the parent-child bond has been disrupted, it can be strengthened not only with therapy for the child but also…

Over the last 5-6 years Burkina Faso has become seriously implicated in the rapid and dramatic changes in the geopolitical situation in the Sahel. The country, once reputed for its stability and safety, has come under the spotlight for the number of violent attacks and of internally displaced people.…

Since graduating from Leiden Law School with master’s degrees in Jurisprudence & Philosophy of Law and Criminal Law, alumnus Allard Altena now works as a Public Prosecutor at the Dutch Public Prosecution Service. He says, ‘I leave work at the end of each day knowing I’ve done something useful.’

'What nature made isn’t necessarily an optimized medicine to use in the human body,’ says Professor of Biological Chemistry Nathaniel Martin. That’s why a group of Leiden researchers is making a chemistry-based improved version of the frequently used antibiotic vancomycin. They received an NWO NACTAR…

The European Space Agency (ESA) has published an interim data release from Gaia, the space telescope mapping out the Milky Way in 3D. The first scientific papers published today reveal half a million stars in the Omega Centauri globular cluster, nearly 400 candidate gravitational lensers and the positions…

She has had the idea for seven years, but now environmental scientist and conservation biologist Kat Stewart finally gets to work on it. She has been awarded a Vidi grant by NWO to find out how DNA from water can be used to shed light on invasive species and their impact on native populations.

Students gain practical experience while clients receive a solution to their software needs: the student software company LUDev hits two birds with one stone. ‘Through LUDev, students learn what else is involved in software development besides programming.’ Interested? You can now submit new projects…

From research on stellar winds to sign language: an impressive seven researchers from Leiden University will receive a prestigious Vici grant from the Dutch Research Council (NWO).

For the next couple of years, Joris van der Voet, Associate Professor and researcher at the Institute for Public Administration will be heading a research project on top-level bureaucrats and how they go about making choices and prioritizing issues. He has been awarded a Vidi grant by the Dutch Research…

Did he dare take a gamble with his PhD research? Jeroen Methorst didn’t have to think long about it. It could fail or turn out very well. The latter is the case. Methorst developed a computer system that helps researchers find the protein they need. ‘Our whole group is now using this program.’ Methorst…

‘Raising awareness of the disorder is crucial since borderline personality disorder (BPD) still faces considerable stigma ’, says Anne Krause-Utz (Clinical Psychology) . Together with an international team of excellent scientists, Krause-Utz provides an update of current knowledge about this disorder,…

How do politics and play relate to each other? Six Leiden academics hope to find an answer to that question over the coming years. They have received an NWO grant of 750,000 euros. Professor Sybille Lammes and University Lecturer Bram tell us how they plan to spend the money.

Assistant Professor Anna Dlabacova has been awarded a Starting Grant by the European Research Council. She will use this grant of around 1.5 million euros to conduct research on the Dutch vernacular ‘book of hours’.

Dr. Els de Busser, assistant professor and researcher at the Institute of Security and Global Affairs, as principal investigator of a consortia, has been awarded 1.45 million euros for a project called C-SIDe.

Before patients can take a pill, scientists often spend years in the lab developing and testing a candidate drug. That often includes experiments with laboratory animals. As head of the rodent facility, Ilze Bot and her colleagues ensure that these experiments are conducted in an ethically responsible…

Dutch and Flemish partners, including Leiden University, are joining forces as the European Digital Media Observatory (EDMO) in the fight against the spread of fake news, and have received the support of the European Commission.

A special find has been made in the Alkmaar Regional Archive: a number of 17th-century book bindings contained pieces of parchment from a manuscript from the 11th century. The original manuscript may have belonged to a princess who fled England after the Norman Conquest.

What effect did the lockdown have on young people? Leiden researchers started a study of this in the first year of the covid pandemic. They discovered an impact on the development of the brain areas involved in social behaviour. The researchers published their discovery in Scientific Reports at Nat…

Plants can’t run away from enemies. Still, it would like to keep life-threatening herbivores at a distance. This can be done with odours. Klaas Vrieling of the Institute of Biology Leiden found out with his team how plants change odour production to keep the munchers at a distance.

Does a snake die when it bites its lip? Why will a mongoose survive a scorpion’s sting, but we humans perish? These questions occupied the minds of toxin-enthusiasts and Master’s students Biology Jory van Thiel and Roel Wouters. They collected information from many sources and published their findings…

You may have noticed this happening more often: your municipality sends you an online questionnaire to find out your opinion on the renovation of a certain area or the design plans for a new district. But how inclusive are these online platforms where citizens can participate in decisions on government…

On 11 November Professor of Gastroenterology and Hepatology, Monique van Leerdam will deliver her inaugural lecture entitled, ‘Aiming for Prevention’. Van Leerdam, who specialises in hereditary tumours, was appointed professor in July 2020. In her inaugural lecture she will discuss the importance of…

Autism, Alzheimer’s, and bipolar disorder: can the development of these mental health conditions be influenced by the ketogenic diet? Increasingly, research suggests it might. 'For those it helps, it can be life-changing,' says neuroscientist Eline Dekeyster.

Alumna Janine Ubink is a Professor of Law, Governance and Development at Leiden University. She researches legal pluralism in various areas of Africa and calls herself a ‘tropical lawyer’. She says, ‘It doesn't really exist, but I am one.’

Populist parties in national parliaments have a different style of working from their colleagues in other parties. They often vote against Cabinet proposals, but do not ask more questions about Cabinet activities. This is the finding of Leiden research in different European countries.

eLaw - Center of Law and Digital technologies from Leiden Law School, and the Vascular Surgery Department at Leiden University Medical Centre in the Netherlands, join forces to explore the use of AI for diabetes and secondary prevention of diabetic foot problems and won a prize for it.

'It gave our team a big boost to hear that our work was valuable,' says medical chemist Elmer Maurits about the moment they won the Venture Challenge. With their company Iprotics, they want to develop a drug that can better treat patients with autoimmune diseases and blood cancers. 25,000 euros of prize…

The latest innovation in the field of urban mobility could soon be buzzing over our heads. For some, it’s a science fiction dream come true. For others, however, it’s an unwelcome intrusion. ‘It has the potential to be a major development.’

Data about COVID-19 were everywhere during the pandemic, but how will all this data continue to be managed and kept open so that it is usable in the future? We spoke with Kathleen Gregory, researcher at the Centre for Science and Technology Studies (CWTS), who will study this question in a new project…

Examining cybercrime from criminological, legal, administrative, and technical perspectives. The new Bachelor's programme in Cybersecurity & Cybercrime addresses the growing demand for versatile cyber professionals..

In June 2024 the Faculty of Archaeology welcomed a new Assistant Professor. Dr Alejandra Roche Recinos, originally from Guatemala, will strengthen the Faculty’s expertise on the archaeology of Central America. ‘I want to explore the lesser known archaeology of Southern Guatemala.’

Psychology students usually only get to meet patients very late in their studies. Therefore, neuroscientists Ineke van der Ham and Judith Schomaker want to research whether students learn more effectively from a virtual experience with a patient with dementia than from a text. Schomaker: 'We have plans…

Building more in urban areas is, in most places in the Netherlands, the smartest way to tackle the housing crisis. This is evident from research conducted by Janneke van Oorschot, published in a partner journal of Nature. Remarkably, this does not have to come at the expense of green spaces in cities.…

Traditional school tests, like the Dutch CITO, largely reflect students' existing knowledge and abilities. However, dynamic testing sheds light on students' learning potential, discovered Mirjam de Vreeze in her PhD research. This approach is especially promising for children with learning challenges,…

Leiden students often prefer complicated theory and a difficult test to experiments. Yet associate professor Paul Logman believes students learn a lot from practical teaching. He challenges his students to come up with their research questions themselves. The Leiden Institute of Physics (LION) is at…

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Last Saturday, Wijnhaven Campus and the Anna van Buerenplein were the setting for the first 'on campus' Experience Days in The Hague since the restrictive measures in higher education were introduced in March 2020. Spread over the day, some 200 students visited the campus to delve deeper into the 3…

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The Ecuadorian Pachakutik party is one of the oldest indigenous political movements in Latin America. Despite not being very successful at the polls and hardly having organisational resources at its disposal, Pachakutik is still part of Ecuador’s political landscape. In her dissertation, Political Scientist…