PhD defence

PhD defence

PhD defence

How can we best deal with the current problems caused by the human impact on the nitrogen cycle? How do we make the transition to a sustainable society? As of 1 September, nitrogen expert Jan Willem Erisman will be working on these questions at Leiden University: he will exchange the Louis Bolk Institute…

Victims of ethnic profiling have commenced legal proceedings against the Royal Netherlands Marechaussee. Peter Rodrigues, Professor of Immigration Law, says in a national newspaper that ethnicity may never be the most important criterion to stop and question a person and refers to a past ruling by the…

Nine Honours Class students pitched their plans on 3 March to make the city of Leiden safer, more transparent and more democratic. In this version of 'Dragons Den' headed by Professor Job Cohen the students were tested on their plans and their mettle.

The conflict between the Hungarian Prime Minister Orbán and his party Fidesz, on the one hand, the other parties within the European People's Party (EPP), on the other, illustrates the complex functioning of European democracy. Michiel Luining, lecturer at the Institute of Public Administration at Leiden…

Researchers from the Faculty of Humanities and the Faculty of Archaeology, with the support of the communication departments of these Faculties and the VALUE Foundation, has been awarded one of the first NWA-Science Communication and Outreach grant for their plan to produce live-streams via online platform…

Nico Verloop, Professor Emeritus of Educational Studies at Leiden University, passed away on 5 June 2025. Nico was the founder and first professor-director (from 1995-2010) of ICLON (Leiden University Graduate School of Teaching) at Leiden University.

Samineh Bagheri is the first PhD candidate to defend her thesis fully remotely.

Leiden University is in third place in the Netherlands for the percentage of women professors, behind the Open University and Radboud University in Nijmegen. This is reported in the Review of Women Professors 2018.

Depression has traditionally been linked to increased inflammation. Innovative research by psychologist Eiko Fried refutes this popular assumption. He shows that specific depression symptoms such as sleeping problems explain this relationship. Publication in Psychological Medicine .

Jianfeng Ge and Milan Allen of Leiden University look for majorana quasiparticles using shot noise measurements

At the Honours Conference, honours students shared interesting projects and valuable lessons learned during their honours education. As icing on the cake, the event provided opportunity for students to enter into interdisciplinary discussions with each other. ‘’We should have events like this every…

The Edisen Foundation has won the 2016 Mr. K.J. Cath prize. This student organisation set up by two Leiden students gives lectures in care homes.

Modified viruses can both kill cancer cells and activate the immune system. This is what an LUMC team discovered while researching a new prostate cancer therapy.

Modern Japanese culture can best be described in one word: cute. Hello Kitty, the most important symbol of cuteness, can be found in all layers of society. Leiden Japanologists Ivo Smits and Kasia Cwiertka put together a volume of articles on this curious phenomenon.

Rachel Beckles Willson started her career as a concert pianist but was later captivated by the Middle Eastern stringed instrument called the oud. On 1 December, she was appointed professor by special appointment of 'Intercultural Performing Arts'.

Leiden University has published its Annual Report for 2018. Although it too has faced complex themes in the last year such as staff workload, internationalisation, social security and funding, it has made significant progress in achieving its ambitions.

An international team of astronomers has discovered a large reservoir of hot gas in the cluster-in-formation around the Spiderweb Galaxy. Based partly on that hot gas, the astronomers predict that the cluster-in-formation will grow into one of the largest objects in the universe. A step closer to discovering…

The scientific world is under increasing pressure from all directions: the money that society invests has to show clear returns. ‘The best thing we can do is to go along with this development,' says Ivo de Nooijer, Director of Luris, Leiden University's valorisation institute.

Study information

Our Institute’s research focuses on ‘global vulnerabilities and social resilience’. Specifically, we highlight three interconnected themes: diversity, sustainability, and digitalisation.

To what extent can contingent, formative feedback in lectures, facilitated by web-based ICT, increase students’ self-efficacy and (academic, behavioral, and cognitive) engagement? And how are self-efficacy and engagement influencing students’ performance and course evaluations?

A new therapy for the serious Graft-versus-Host disease

The Russian threat to Europe, pro-Palestine protests, the passing of psychologist Andrea Evers and speculations on extraterrestrial life. These were among our most popular articles of the year.

Leiden University's master’s programme in Ancient History is your opportunity to obtain a comprehensive understanding of the history of the Greek and Roman periods, with a focus on the mentality and social and economic history of the period between 400 B.C. and 400 A.D.

Passionate, innovative lecturers are the driving force behind our education. Janine Geerling, former assistant professor of the Bio-Pharmaceutical Sciences programme, obtained her Senior Teaching Qualification (STQ) at the end of last year. ‘You have to make time for educational innovation, and not…

Students of the Leiden University master Computer Science are the first students in the world that have been educated in programming with a quantum computer. ‘With this system, it is finally possible to solve complex real-life problems of society.‘

Using E. coli bacteria to convert a toxic compound in the soil on Mars into oxygen to make life on the planet possible. A team of thirteen Leiden students are taking part in the annual iGEM competition with an entry based on this idea. iGEM is an international competition for students where they use…

Nanoplastics influence the behaviour of larval zebrafish, says new research by the Institute of Biology Leiden (IBL) and the Institute of Environmental Sciences (CML). The researchers observed that a certain type of nanoparticles leads to stress reactions in the sugar balance, resulting in hyperactivity…

Water droplets float in a hot pan because of the so-called Leidenfrost effect. Now physicists have discovered a variation: the Elastic Leidenfrost effect. It explains why hydrogel balls jump around on a hot plate making high pitched sounds. Publication in Nature Physics on July 24.

This was the programme for The Knowledge Orchard 2025:

On the occasion of the 60th anniversary of the foundation of the Common Market Law Review, the Editors of the Review hosted a one-day conference on 'Membership of the European Union: Implication, Challenges, Boundaries' on Friday, 9 June 2023. EU law scholars from different countries all over Europe…

An international team of astronomers has found an unexpected link between dark matter and visible stars in stellar systems. This discovery may even cause us to reconsider our understanding of gravity. They published on their discovery in 'Nature' on 1 October.

As the flagship journal of the National Academy of Sciences USA, PNAS publishes several special features each year highlighting topics that are expected to engage the interest of the journal’s broad readership. Archaeologist Wil Roebroeks was invited by the Editors of PNAS to contribute a paper on the…

On Wednesday the 31st of October, a Dragon’s Den style pitching competition took place at PLNT in Leiden. Seven teams pitched their business ideas to a panel of potential investors, consisting of experts in the field of entrepreneurial finance (such as a representative from Symbid, one of the first…

A delegation from Leiden University visited Japan from 18 to 26 November to facilitate cooperation in research and teaching. The delegation also attended the signing of a twinning agreement between the cities of Leiden and Nagasaki and the opening of a bridge to Dejima, once literally the bridge between…

The Institute of Cultural Anthropology and Development Sociology (CADS) of Leiden University hosts almost 50 PhD candidates working on a wide variety of topics.

In honour of Krijn Rietveld (1956 - 2018), Leiden University Fund and dsm-firmenich have created the Krijn Rietveld Memorial Awards to reward researchers who make extraordinary efforts to bring about an impact beyond scientific understanding in the field of life sciences, health science, biotech, or…

All players on the world stage operate strategically in order to safeguard their interests. Political scientists at Leiden University cast light on this volatile interplay of forces. Their research helps voters, NGOs, governments and international organizations make smart choices in this complex and…

Elective courses enable students to gain deeper insight into scientific topics of their choice, and they prepare students for their individual graduation project. They can be elected from Leiden University, but also from other (inter)national universities.

Leiden theoretical physicists have proven that not only the genetic information in DNA determines who we are, but also DNA’s mechanics. Helmut Schiessel and his group simulated many DNA sequences and found a correlation between mechanical cues and the way DNA is folded. Publication in PLoS One.

It’s only been six years since bestselling author Jeroen Windmeijer (56) decided to become a full-time writer. Since then, he’s put Leiden and the university on the map with his gripping thrillers. From his desk on the Rapenburg canal, he now travels the world with his steadily growing body of work.

Thanks to a clever research method, progress is being made in the quest for better tuberculosis medications. Within an American consortium that received a 30 million dollars grant, Leiden researcher Rob van Wijk plays a significant role. ‘The next breakthrough in tuberculosis research will come much…

In this first ever podcast from LUCIS, hosts Yasmin Ismail & Sara Bolghiran explore what it means to imagine Muslim futures. Over 6 episodes we explore questions around what it means to imagine, the politics of imagination and what it would mean to engage with Muslims from the perspective of futures…

‘Let’s get everyone home safely!’ This was the message of an estimated 750 demonstrators as they marched through the centre of Leiden on 18 November.

There was a lot of fuss last week about the ‘dragnet law’, in which intelligence services are now authorised to conduct large-scale tapping of cable communications. The public image here is that the privacy of innocent citizens will almost certainly be violated. Paul Abels, professor of governance of…

The Faculty of Science celebrated the Chinese New Year on 26 January, with an event that was organised together with the Leiden Science China community. After a warm welcome and New Year Wishes by Dean Geert de Snoo, visitors could participate in various activities, such as a calligraphy lesson.

Alwin Kloekhorst, working at the Leiden University Centre for Linguistics, has received a Vidi grant for his research on the break-up of the Indo-European language.