The van Exter group has an extensive history of prior research in classical and quantum optics. As former part of the group of Han Woerdman, we have studied topics as diverse as:

Vaccines are an extraordinary category of biopharmaceuticals. They are usually prophylactic and come in many types, from whole bacteria to peptides and nucleic acids. They are very cost effective and almost every human on the planet is vaccinated. The latter mandates that vaccines have to be extremely…

Every semester, LUCIS invites a scholar to Leiden to provide a lecture series on a topic of their choice. With these lectures, we aim to present state-of-the-art research in Islamic studies to the Leiden academic community and beyond, and to offer students and junior researchers the opportunity to get…

Social science research helps us understand human behaviour and social structures. These are determined by various factors, which makes the research complex and increases the likelihood of drawing the wrong conclusions. The choice of research method and analysis is therefore extremely important. It…

WORLDING AMERICA researches how ‘play’ has been a key force in the past and present process of creating America as a coherent and hegemonic ‘world,’ from 1503 to the present.

Kim Stroet is examining how the interaction between teachers and pupils influences pupils’ motivation. ‘Children need to have the feeling that they are in control of their own learning process.’

This is an Erasmus+ International Credit Mobility project of the Faculty of Humanities with two partners in Uzbekistan.

In our European and International Business Law Advanced Master programme, you learn to decipher the hierarchy of European & international business law

To maximise your personal development, we ensure tutorials are small-scale and staff members extremely accessible. In year one, you’ll have an average of 12 contact hours, half of which comprise lectures (in English) and the remainder tutorials (optionally Dutch or English).

Is there extra-terrestrial life out there? It now looks as though we can sketch out an answer to this enduring question. Leiden Observatory is helping to build new instruments to find the most promising exoplanets.

This PhD project develops and applies a GIS procedure to use legacy survey data in settlement pattern analysis. As part of the research by the LERC project (NWO, Leiden University, KNIR), legacy data produced by surveys in central and southern Italy are examined in a comparative framework to investigate…

The organisations and people who implement government policy face many different types of change. Academics from Leiden University research how they deal with these and advise them on how best to meet the needs and wishes of society.

The university is making its campuses future-proof with measures for climate adaptation and biodiversity. You can read in the Sustainability Implementation Agenda 2023–2026 how we harvest rainwater, limit heat stress and make more room for greenery.

Plants could be regarded as small chemical factories, which produce chemical substances via photosynthesis. If we can imitate photosynthesis in an artificial system, we can make clean fuels and materials out of sunlight and CO2. Huub de Groot is very close to designing a system of this kind.

A step-by-step approach to building confidence in anxiety-prone young children.

Fieldwork

The Master Population Health Management will equip you with the necessary competences to play a key role in the constantly changing healthcare landscape in which societal, patient and clinical results are all equally relevant.

Millions of people in the Netherlands have been affected by data breaches in recent months. There have been calls for stricter legislation, but Gerrit-Jan Zwenne, Professor of Law and Digital Technologies, warns against unrealistic expectations. Mass claims could help force businesses to improve their…

During a visit, Queen Máxima spoke with researchers about projects exploring climate change, collections and culinary heritage.

Onderzoek van de onderzoeksgroep 'War, Peace and Justice'

Voters sent a clear signal in the recent Dutch provincial council elections with the 'monster' victory for the Farmer-Citizen Movement (BoerBurgerBeweging, BBB). This sign of ‘social resistance’ has consequences for the policy on nitrogen emissions, according to Geerten Boogaard, Professor of Local…

Ross Gildea has won the Institute of Political Science Research Master Thesis Prize 2016. ‘The Political Psychology of Humanitarian Issue (Non-)Adoption in International Politics’ is the crowning achievement of Gildea’s work as a MSc student. The thesis, according to the jury, stands out as a ‘fine…

A collaboration of physicists and chemists organized the LEELIS conference on new computer chip technology in Amsterdam on 10-11 November. Leiden physicist Joost Frenken is director of the organizing institute ARCNL.

Jorinde van de Vis wins the For Women in Science Rising Talent-prize for women in science, for her PhD thesis in cosmology and particle physics.

Leiden University is extremely concerned about the situation in Turkey and offers all possible support to its Turkish colleagues.

On 1 October 2024, Dr Jiska Engelbert was appointed as professor by special appointment on the Ien Dales Chair ‘Government as an Employment Organisation’. Her focus is on leadership in digital transitions, digital innovations, and the transformation of public services, with particular attention to local…

Science Magazine has published three back-to-back papers on an important discovery in solid state physics. Leiden physicist Jan Zaanen wrote a Perspective article on the subject in the same issue of 4 March.

LCD screens use liquid crystals which have a high degree of order, even though they form a fluid. A new theory maps out the interplay between order, temperature and symmetry. Publication in Physical Review X.

On Friday evening 17 September, Leiden astronomer Joe Callingham can be seen in a new series on Discovery channel. Killers of the Cosmos is about different deadly dangers lurking in the depths of space. Asteroids, cosmic debris, electromagnetic weapons… The show takes a film-noir approach to these threats,…

At the beginning of March 2017 the ICCL students visited Brussels for a two-day visit.

Eveline Crone: 'Many thanks to my amazing Brain and Development Research Center colleagues. I am so thankful for the 15 fantastic years. It is also extremely exciting and energizing to start at Erasmus University Rotterdam with the Society, Youth and Neuroscience Connected SYNClab.'

Dutch astronomers have measured a superstorm for the first time in the atmosphere of an exoplanet, the well-studied “hot Jupiter” HD209458b. The very high-precision observations of carbon monoxide gas show that it is streaming at enormous speed from the extremely hot day side to the cooler night side…

The University's childcare centre, de Kattekop, has been awarded the 2017 Regional Award by South Holland. In an independent survey, parents gave the centre an exceptional score of 9.4,.

We are extremely proud of our alumni Nandini Paliwal (LLM 2016) and Valentina Vecchio (LLM 2017) for winning first and second place, respectively, for their essays in the EALA Prize this year.

Recently, Austrian physicists succeeded in placing minuscule metal spheres with a diameter of 0.000008 millimetres into superposition.

The Executive Board appointed Sanneke Kuipers as full professor effective January 1, 2022. Her chair is Crisis Governance. She combines this chair with her position as education director of ISGA, the Institute of Security and Global Affairs. A conversation about working 24/7 in crisis management, her…

In a recent mega-analysis, researchers from Leiden University aimed to clarify the contradictory findings of research into social anxiety disorder. They found that to obtain reliable research results having the largest possible sample size is important. Publication in NeuroImage:Clinical.

Buying chocolates as a sign of love, getting the best deals on Black Friday and putting on a spooky costume for Halloween. In recent years, these holidays and traditions have taken off in the Netherlands, even though they originated on the other side of the ocean. Why are we so excited about American…

Not everything that comes close to a black hole is swallowed by it. Black holes can also hurl material away, and that chance turns out to be considerably bigger than previously thought. Martijn Oei's accidental discovery and his subsequent research on it earned him a cum laude promotion on 12 Decemb…

Imagine no one in the Netherlands would eat animal products anymore, what would happen? And would it contribute to more climate justice? That is the theoretical exercise that environmental scientist Jan Willem Erisman and landscape architect Berno Strootman are taking up. 'Sometimes you have to think…

The Hofstad group is known mainly because of Mohammed B., the murderer of Theo van Gogh. PhD candidate Bart Schuurman examined this Dutch jihadist group based on interviews and confidential police files. How and why did the group come about? What drove some of the group members to commit terrorist…

A group of single-celled organisms organises its DNA in a similar way to higher organisms such as plants, animals, and fungi. However, the way packaged DNA is read out differs between the two related groups, Bram Henneman discovered. PhD defence on 5 December.

For only the second time ever, astronomers have linked a neutrino to an object outside our Milky Way. These observations were made using telescopes both on Earth and in space. The researchers, including Leiden astronomer Sjoert van Velzen, were able to trace the neutrino to a black hole that is devouring…

Psychedelic drugs like magic mushrooms and LSD are embraced by some and seen as lethal by others. Cognitive psychologist Michiel van Elk delved into the world of psychedelic drugs and wrote a surprisingly sober book about them. ‘Without first-hand experience my story wouldn’t be complete.’

As a student, Thijs Brocades Zaalberg was primarily interested in diplomacy surrounding conflicts. Through research on peace operations and subsequently the fight against guerrillas, he became increasingly involved with the most violent aspects of colonial warfare. Per 1 September 2024 he is appointed…

Five consortia within the Perspectief programme that include Leiden researchers have received funding to start their research projects. These projects focus on (further) developing technological innovations, with societal and economic impact at their core.

Historian Seran de Leede delved into the life of Lie Alma (1909–1990), the courageous woman from the Dutch province of Drenthe who spoke out against fascism in the 1930s and remains a source of inspiration to this day.

There are currently two projects in Coptic Studies that are supported by the NVIC. Both are directed by Dr. Karel Innemee and both take place in the Wadi Natrun.