Global climate change is manifest by local-scale changes in precipitation and temperature patterns, including the frequency of extreme weather events (EWEs). EWEs are associated with a myriad range of adverse environmental and societal consequences, including negative impacts to agriculture and food…

PhD defence

PhD defence

PhD defence

The researchers explore how instructional risk communication can support public safety during nuclear emergencies.

Together we can make science open. Find the next step that fits your journey here.

On 29 June 2017, Carl Mair defended his PhD dissertation “Taking Technological Infrastructure Seriously”. The supervisors are Professor A. Schmidt and Professor G.J. Zwenne.

Individuals, teams and faculty leaders can all help to set Academia in Motion.

Through a range of case studies spanning the post-Cold War period in Iraq, Moldova and Serbia, this book studies asymmetric conflicts where warring sides exhibit vast power differentials.

In 2023, the OSCL, together with the University Library and Academia in Motion, ran a survey to better understand the state of Open Science at our university. In this year's follow-up, we are asking you to give your input, so we can jointly develop how Open Science evolves in our university.

Improving environmental risk assessment of pesticides in surface waters

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.

Reijer Passchier, Assistant Professor of Constitutional and Administrative Law, recently published a statement entitled 'The AI Safety Summit at Bletchley Park Asked the Wrong Questions' in the International Journal of Social Quality.

Health is a wonderful gift, both for humans and for society. If we are able to prevent both physical and mental illnesses, we can spare a lot of suffering and fight rising health costs. Social scientists and physicians in Leiden are working closely together to conduct research on the human mental, behavioural…

If you pay statutory tuition fees and are registered at another Dutch higher education institution, you can take one or more courses at Leiden University.

Each year, the Leids Universitair Fonds (LUF) awards grants to research and educational project in various academic fields. In 2019, dr. Tanachia Ashikali received a grant to conduct an in-depth study into the determinants of inclusive leadership in public organisations: What does it take to be an inclusive…

Behavioral and neural mechanisms underlying risky decision-making in adolescents

Moritz Jesse delivered a lecture titled 'Legal Risks from, to, and within EU Migration Law - An Inventory’ as part of the lunch seminar series organized by the Amsterdam Centre for European Law and Governance at the University of Amsterdam in May.

You can't see them with the naked eye, but they are highly likely to pose a threat to our health: microplastics. These tiny plastic particles are present everywhere in the environment, including within our bodies. On science platform The Conversation molecular biologist Meiru Wang offers valuable insights…

Rogier Kegge, Assistant Professor in administrative law and environmental law, is a member of the Dutch Health Council’s Committee on Livestock Farming and Health. The Committee recently published a report on links between goat farms and pneumonia.

Terrorism only poses a small risk to people but tends to be a major source of public fear. Through fear, terrorism has far-reaching implications for public governance.

For his PhD, historian and army major Dion Landstra researched the effectiveness of observers in peace operations in the Balkans between 1991 and 1995. What risks are acceptable for bringing about and maintaining peace? Landstra will defend his PhD on 28 September.

Promotors: Prof.dr. P.G.L. Klinkhamer, Prof.dr. P.M. Brakefield

Researcher and lecturer Susana Valdez investigates how migrants make use of online translation technology in medical situations. Her research suggests that they often encounter obstacles when using machine translation in these settings. Potential problems include a lack of understanding or trust.

The proceeds of the Leiden University Science Run on 28 September will go to Scholars at Risk, a section of the UAF that assists refugee scholars. One such scholar is Leiden PhD candidate Lety Elvir Lazo from Honduras.

On the 14th December 2016, Steven L. Schwarcz, Stanley A. Star Professor of Law and Business at Duke University School of Law gave the thirteenth Hazelhoff Guest Lecture. Professor Schwarcz questioned the often-heard assumption that systemically important financial institutions engage in excessive…

Is the current existing legal framework on compulsory and voluntary care - for vulnerable young adults (between the ages of 18 to 23) - in need of revision? And if so, what kind of amendments would be advisable?

When we are in a conversation, how do we know exactly when to respond, and how do we manage to respond so swiftly, yet without interrupting our interlocutors? Can speech melody – in particular utterance final “boundary tones” – help us determine who will speak next, or are these cues too late in the…

This thesis describes the role of pollution, specifically neonicotinoid insecticides, as an actor of the ongoing biodiversity decline.

The organisers of the big protest march against government policy, held on Sunday in Amsterdam, want to bring preliminary relief proceedings against the refusal to allow British conspiracy theorist David Icke to enter the Netherlands. Icke was due to give a speech at the meeting of the organisation…

Having a chronic somatic condition can result in a variety of impairments in patients’ daily lives, including not only physical complaints such as pain, itch, and fatigue, but also problems of negative mood and impairments in social relationships. Next to disease characteristics, individual difference…

What drives the behaviour of accountability forums?

On 28 November 2025, Leiden University and PLNT Leiden hosted “The Knowledge Orchard” - an event aimed at starting up/ enhancing interdisciplinary cooperation between academics at Leiden University, and improving collaboration between Leiden researchers and external partners in research and educatio…

On 25 January 2024 H.J. Pak successfully defended a doctoral thesis and graduated.