The presence and participation of interest groups in policymaking processes has become a crucial component of Western democracies. These groups link society and policymakers and influence public policy choices. Their function however, is often taken for granted and not very well researched. Adrià Albareda…

If you replace the standard hydrogen atoms in ice with a heavier variant, something odd happens. The volume occupied by the molecules increases by 0.1 per cent. Leiden chemist Jörg Meyer and his colleagues have created a theoretical model that describes this behaviour. Their research appeared on the…

Chinees-Nederlandse kinderen krijgen via hun moeders en kinderboeken mee dat witte mensen de norm zijn, zo ontdekte promovendus Yiran Yang.

Chemotherapy that does nothing until you irradiate it with light. Sylvestre Bonnet receives a Vici grant of 1.5 million euros for the development of this treatment. The Leiden chemist wants to build a new molecule to fight tumours that are at the time still difficult to treat.

We are all at home in familiar surroundings. Not only is this boring but it can also have a negative influence on our learning, explains cognitive neuropsychologist Judith Schomaker. ‘Discovering new environments gets our brain learning and remembering. We are now missing this stimulus.’

Three new ministries have been formed in the Netherlands: Asylum and Migration, Housing and Spatial Planning & Climate and Green Growth. Of course, this is not merely an administrative act. These ministries carry a strong and political charge and play a crucial role in shaping a government's political…

We spoke with Mathilde Witkam about her research as a dual PhD candidate at the Dual PhD Centre. Her dissertation is about the effect of open government on public trust. Mathilde: ‘Trust in government ensures that people are more honest in their tax returns; less control saves time and money.’

The democratic rule of law is under pressure due to a series of scandals and integrity issues, as seen in the recent parliamentary inquiries. Professor Ronald Kroeze explains: 'Public office holders are expected to show complete dedication, but that norm is quite absolute, and what we mean by it is…

Dialysis patients experience a range of physical and mental symptoms that interact and influence each otherIn her doctoral research, psychologist Judith Tommel wanted to find the optimum approach to help these dialysis patients improve their quality of life. ‘We need to make sure we avoid excluding…

What influence do children’s upbringing and education have on their world view? This is the question Professor Judi Mesman is trying to answer. For her research and public outreach activities, she has just been awarded the prestigious Stevin Prize, the highest award in the Netherlands for a researcher…

Myths abound about the Pilgrims, the group of religious refugees from England who set sail for America in 1620. Did they really live in peace with the indigenous peoples of America? In an international conference, historians from Leiden will seek to draw attention to the more negative effects of the…

In the ESOF2022 mini-symposium organized by the Social Resilience & Security programme, international experts with a background in psychology, philosophy, and law discussed how the online world is related to adolescent mental health issues, moral and emotional awareness and children’s rights. In three…

Eduard Fosch-Villaronga, Hadassah Drukarch and Bart Custers from eLaw - Center for Law and Digital Technologies, explore together with Pranav Khanna, eLaw alumnus, the influence of automation on human–robot interaction and responsibility in surgery innovation.

The life of a fibroblast is heavy, but PhD student Julia Eckert makes it 19.5 times heavier, using the Large Diameter Centrifuge at the ESTEC space research centre in Noordwijk.

Dr Joris van der Voet has been awarded a Veni grant of € 250,000 for his research into the working of savings strategies on innovation with municipalities. Van der Voet (Institute of Public Administration) compares Dutch municipalities with those in Spain and the United Kingdom. He explains by answering…

A piece of corrugated rubber can function as a simple computer, displaying memory and displaying the ability to count to two. Leiden physicists describe the computing rubber in the journal PNAS. ‘Simple materials can process information, and we want to find the principles behind that.’

In March 2015 Jonna Both started working as a postdoctoral researcher within the VICI project ‘Connecting in Times of Duress’ of professor Mirjam de Bruijn.

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…

A virtual hand that feels as if it is your own. Feeling happier because a virtual face is smiling with you. Cognitive Psychologist Ke Ma discovered using virtual reality that the way we experience our body is more flexible than we thought. Ma: ‘We can think up some fantastic applications.' PhD defence…

Promotieonderzoek van Karin Smit bij het Instituut Pedagogische Wetenschappen aan de Universiteit Leiden

Researching as a student how you can make your own student house free of natural gas. That is now possible because of a new collaboration between Leiden University and the municipality of Leiden and The Hague.

Leiden professor of Cellular Immunology of Parasitic Infections Maria Yazdanbakhsh receives the prestigious NWO Spinoza Prize this year. This, in many ways, border-crossing scientist contributes with her research to more effective vaccines against parasitic infections and better medication for inflammatory…

Professor of Korean Studies Remco Breuker has been awarded a subsidy from the European Research Council to study the dispute between both Koreas and China on the history of Manchuria. Political scientist Daniela Stockmann will be examining the role of social media and how the Chinese authorities handle…

Composer Paul Craenen (1972) is actually a pianist, but as part of his PhD ceremony, he performed a composition on PVC pipes. Craenen studies the position and role of the body in music. ‘I am interested in what precedes the resulting sound’.

“We are proud and happy to receive this grant. It will enable us to do truly innovative fundamental research with a direct link to practical applications.” Michiel Westenberg is looking forward to investigate the effects of age and social anxiety on eye-contact. Together with Esther van den Bos he has…

Professor Kees Waaldijk presented the report on the LawsAndFamilies Database to Pearl Dykstra, member of the High Level Group of Scientific Advisors of the European Commission on 25 April. This comparative study shows that in European countries same-sex partners are increasingly gaining equal rights.…

Are you a great photographer? Or not at all, but you do have a brilliant photo that captures the relationship between food and people? Join the photo contest ‘Food & Society’ of our Faculty and send in your best photo before 3 April 2018!

On Thursday 10 November, the Night of the Lobbyist was held. During this public event, organised by Leiden University and the Public Affairs Academy, many insights were shared regarding the different aspects of lobbying and the diversity of the world of the lobby.

On Monday 27 September 2010 Spinoza prize winners Naomi Ellemers, Ineke Sluiter, Marijn Franx (Leiden) and Piet Gros (Utrecht) announced their plans for their €2.5 million prize money. This was during the official ceremony in The Hague, at which the outgoing Secretary of State for Education, Culture…

Renske Janssen started her PhD project at LUCAS and LUIH in October 2015. Her project is part of the research field ‘History and Culture of Ancient Judaism and Early Christianity’, supervised by Jürgen Zangenberg.

Women are more often diagnosed with depression, whereas ADHD is much more frequently detected in men. And there are other more striking differences. What role does the brain play in mental health and what is the influence of the environment? For answers to these questions, listen to the ‘(Un)gendered…

Four of Leiden's young, talented ethnic minority graduates are to receive an award as part of the Mosiac programme of the Netherlands Organisation for Scientific Research (NWO). The award will allow these budding researchers to fund a four-year research period leading to a doctorate.

Leiden researchers have compiled information collected by scientists over the past 120 years into a database of plant-fungal interactions. This important biological data is now freely available for researchers and nature conservationists. Publication in New Phytologist.

The type of question that museums ask about objects in their collection influences conversations between parents and children. Researchers from Leiden University and Naturalis Biodiversity Center studied how questions influence conversations. Publication in Visitor Studies on 2 July.

Baroque flautist Jed Wentz followed two years of dancing classes in order to develop the right feeling for the gestures required for the Baroque French opera genre ‘tragédie en musique’. On 9 December Wentz defended his PhD thesis on the subject, and on 8 December he gave a concert in the context of…

Scientists of the faculty of Governance and Global Affairs research completely different subject, among which terrorism, cybercrime and migration. We give the floor to several of our very best researchers. In this episode: Caroline Archambault researches the Masai in Kenia.

During Seeing Stars Leiden all the lights around Leiden Observatory will be switched off for an hour. The more lights that go out, the more stars we’ll be able to see. For the LUMC, this is the perfect moment to think about our biological clock, the topic researchers from the BioClock consortium are…

Receiving positive support and seeing yourself as being a quitter may help smokers quit, say Eline Meijer and colleagues. The health psychologists published their study in Social Science & Medicine.

Two radio telescopes in Green Bank, West Virginia have brought together a few remarkable people. A new photo exhibition in the Old Observatory visitor centre gives an insight into the remote community. Due to the corona crisis, the Observatory is not open to the public. That’s why we’ve selected a few…

Waarom is empirisch-juridisch onderzoek van belang voor de rechtspraktijk en het wetenschappelijke onderzoek? Op die vraag kregen masterstudenten van de afstudeerrichtingen civiel recht, ondernemingsrecht en financieel recht antwoord tijdens het congres over empirisch-juridisch onderzoek en het privaatrecht…

In zijn oratie bepleit Joachim Koops dat de toekomst van Security and Global Affairs ligt in onderzoek, onderwijs en academisch bestuur.

Elif Naz Kayran and Anna-Lena Nadler have received the European Political Science Review (EPSR) Prize for early career scholars.

How can computers help design optimal buildings? PhD student Koen van der Blom makes algorithms that take into account all kinds of different architectural requirements, in order to reach the best compromise. And that is quite difficult: 'Algorithms do not automatically understand that a building that…

Professor of Criminalistics Charles Berger thinks miscarriages of justice can be avoided more often by clearer determination of the truth. He therefore not only wants to focus on the advancement of forensic science, but also on improving lawyers’ reasoning of the evidence. Inaugural address on 3 Feb…

Scientists regularly appear in the media. They participate in science cafés, write a popular-science book or visit school classes. In that way, they want to convey their knowledge and enthusiasm to society. But do they succeed? To answer that question, a new website is launched, with a toolbox full…

Italian historiographers in the 16th and 17th centuries wrote remarkably often about the Dutch Revolt, better known as the Eighty Years' War (1568-1648). Their works influenced public opinion both in Italy and in the Netherlands. This is the conclusion reached by historian Cees Reijner in his dissertation.…

A tried and tested medication for treating ADHD works differently than expected in the brains of healthy individuals during rest: rather than stimulating brain activity, it suppresses it.

Why do some people with adverse childhood experiences develop mental health conditions whereas others do not? A Leiden research project is looking for volunteers aged between 18 and 24 to help us understand more about human resilience.

Bringing research and teaching closer together is part of the mission of Leiden University. The 'Career Policy for Academic Staff' working group that has draw up new guidelines for appointing academic staff discovered that the University has many members of staff who do not conduct research.

Everyone benefits when cooperation runs smoothly However, people often act obstructively. Why do they do that? Professor of Social Psychology Carsten de Dreu researches this issue using a wide variety of methods, from brain scans to the role of religion. Inaugural lecture 7 October.