This presentation is presented in Dutch

The central question of this Vici proposal is to investigate if, and how actinobacteria exploit life without a cell wall.

Our vision of stress is starting to change fundamentally. We can suffer stress without even being aware of it, while sleeping as wall as during the day. Professor of Psychology Jos Brosschot will discuss this phenomenon in his inaugural lecture on 2 December.

High throughput microscopy

How do psychology, culture, politics, and upbringing influence our lives in a rapidly changing world? What is the role of education and development, and how do cultural differences shape our society? In the minor "Introduction to Social Sciences: Human Behavior in a Changing World" (30 EC), you will…

Members of our research team give different types of presentations and lectures.

In dit onderzoek van de Universiteit Leiden kijken we hoe vaders en moeders de zwangerschap en de overgang naar het ouderschap ervaren.

On 17 October 2018, Henriëtte Weststrate defended her doctoral thesis 'De Notaris en Private Rechtspraak'. The doctoral research was supervised by Prof.dr. H.J. van der Herik and Prof. mr. G.J. Meijer.

Sustainability and the law lecture series featuring guest speakers discussing legal and social aspects.

Inaugural address of Prof.dr.ir. Peter van Bodegom

On 22 November 2018, Teico Sikkema defended his thesis 'Beginsel en begrip van verdeling'. The doctoral research was supervised by Prof. mr. W.G. Huijgen and Prof. dr. F. Sonneveldt.

Nietzsche's most famous and infamous book Thus Spoke Zarathustra is perhaps the most read, but probably also the least understood, book in Nietzsche's oeuvre. Nietzsche considered it his highlight. He called it a symphony, a holy book, a fifth gospel and even the greatest gift ever given to humanity.…

Promotores: T. Hankemeier; R. Berger, Co-promotor: R.J. Vreeken

The overall objectives of my thesis are to investigate the dynamics of the sorghum root microbiome and to explore the beneficial effects of the root microbiome on sorghum growth and stress tolerance.

The focus of the described research in this thesis is on the oxidative stress response (Nrf2 pathway). The aim of the research presented in this thesis is to obtain more information concerning microRNAs which are involved in the Nrf2 pathway, to determine and evaluate the application of microRNAs for…

Fungal food spoilage often starts with a contamination with spores. Experimental data strongly indicate the existence of subpopulations of spores with different levels of resistance to preservation methods.

Ilze Bot and Johan Kuiper have published in The Lancet: Study unveils how stress may increase risk of heart disease and stroke. Aso: The National Dutch newspaper 'NRC' has mentioned them in a column

What influence did the internal debates on the use of violence within left-wing activist movements, and the government’s response to this (political) violence, have on the development, level, and continuity of the violence originating from these movements in the period 1965–2015?

The position of writing within the domain of artistic academic research is not self-evident. In academia, standard practice is to use writing for the transfer of knowledge: it is a means of communication. In the practice of (nonlinguistic) artistic research, the outcome is also often contextualized…

Pintores, arquitectos y exposiciones internacionales –como las de Barcelona y Sevilla– tuvieron un papel crucial en la definición y visualización del carácter idiosincrático de cada región. Este libro pionero compara el proceso de construcción de identidades regionales en España con el de Francia y…

The STAP study examines the cost-effectiveness of Written Exposure Therapy (WET) for post-traumatic stress disorder (PTSD) symptoms in primary care settings.

Study information

Kan artificiële intelligentie (AI) helpen om subtiele veranderingen in de gewrichten op te merken op MRI-beelden van patiënten met reumatoïde artritis? Die vraag gaan Leidse wetenschappers beantwoorden dankzij een subsidie van de Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO).

Op vrijdag 4 april 2025 organiseert de werkgroep Stedengeschiedenis een bijeenkomst bij de Rijksdienst voor het Cultureel Erfgoed onder de titel ‘Archeologie en de stad’. De studiedag is gratis en voor iedereen toegankelijk.

This document is only available in Dutch

On 18 November 2020, Mojan Samadi defended her thesis 'Normering en toezicht in de opsporing'. The doctoral research was supervised by Prof. J.H. Crijns.

Deze PiP stage biedt de mogelijkheid tot het doen van Master onderzoek in Leiden Noord rond thema’s op het vlak van vitaliteit en gezondheid zoals bijvoorbeeld eenzaamheid, gezondheid en leefstijl, of manieren waarop de publieke ruimte gezond gedrag kan stimuleren. Het onderzoek zal gedaan worden met…

In addition to the open courses, Leiden University also offers tailored courses for organisations. With customisation, the content of the programme is entirely adapted to the needs of your organisation.

A source of inspiration for readers who are curious to understand how people move and convince each other

Stress, burnout, depression – these conditions pervade all levels of our society. Children and students suffer from constant pressure to achieve; at the international level, tensions lead to short-sighted actions; and, at the personal level, stress affects our health and social environment. How do our…

How did Dutch refugee policies develop during a period in which consecutive coalition cabinets were responsible for these policies during refugee crises between 1913 en 2017 and what were the considerations that can explain this development?

Up to 50% of all children and adolescents growing up worldwide are exposed to at least one form of childhood adversity (CA), which is one of the strongest predictors for later-life psychopathology.

Door de geopolitieke spanningen wereldwijd waaronder de oorlog in Oekraïne, wil Defensie overal in het land fors uitbreiden. Dit zal o.a. gevolgen hebben voor de opvanglokaties waar asielzoekers verblijven, maar ook voor burgers waarvan de woningen voor de plannen moet wijken.

Bullying, abuse or a difficult divorce: many young people struggle with mental health problems after traumatic experiences. But why do some suffer much more than others? This is the question that Hannah Dorsman is exploring within the THRIVE project.

The Pre-PhD Programme offers master’s students the chance to gain research experience. ‘The programme helps you discover if doing research is something for you’, says Bastiaan Ganzen, the programme’s Academic Coordinator.

Wim Voermans en Annemarie Drahmann namen op 13 februari deel aan het Rondetafelgesprek van de commissie Binnenlandse Zaken over de uitvoering van de Wet open overheid. De kernvraag van de bijeenkomst was de vraag 'Wat gaat goed en wat kan beter bij de uitvoering van de Wet open overheid?'

In opvanggezinnen voor alleenstaande minderjarige vluchtelingen komen veelvuldig misstanden voor, blijkt uit onderzoek van Zembla. Hoogleraar jeugdrecht Mariëlle Bruning reageert geschrokken tegenover BNN VARA: ‘We moeten zorgen dat we die kinderen in veiligheid brengen.’

Recent studies have shown that Dutch secondary school pupils experience a great deal of stress from school work, and between 2001 and 2007 the number of adolescents experiencing school stress even doubled. The study carried out by Simone Vogelaar focuses on stress factors and the effectiveness of the…

How does stress affect different components of behavioral impulsivity and aggression in patients with Borderline Personality Disorder compared to clinical controls (patients with Attention Deficit Hyperactivity Disorder) and healthy controls?

For a long time it has been thought that habitation and landscape organisation only changed significantly from the Roman Period onwards. However, many developments were already started long before Julius Caesar's Roman armies arrived in the southern Netherlands.

Cette étude montre que le développement phonético-phonologique en fulfulde et bambara est à la foiscomparable au développement langagier dans d’autres langues du monde et influencé par les caractéristiques phonétiques et phonologiques de ces deux langues notamment au niveau de la phonotaxe.

Acute stress seems to have a surprisingly positive effect on our health. Researcher Erin Faught received an NWO veni grant to find out why that is and how we can use that knowledge to our advantage. For her lab research, she uses a remarkable small animal to learn more about our own stress levels.

Op woensdag 24 april 2024 organiseerde de studievereniging Suum Cuique haar jaarlijkse congres, dit jaar met het thema ‘De WAMCA en ideële vorderingen’. Branda Katan, bijzonder hoogleraar Corporate Litigation bij de Universiteit Leiden en partner bij Stibbe, sprak samen met Robin Tess Bolland, advocaat…

Clinical psychologist Bernet Elzinga has been appointed as Professor of a personal chair at the Faculty of Social and Behavioural Sciences. This professorship will contribute both nationally and internationally to the broader promotion of Leiden University in the field of stress and psychopathology.

The challenge: Building a tool to detect chemical compounds that individually cause non-lethal stress to bacteria, but that are lethal in combination. A team of thirteen Leiden students are taking up this challenge in the annual ‘international Genetically Engineered Machine’ (iGEM) competition for applications…

How do perpetrators of notorious crimes integrate in society after their imprisonment? Marieke Liem and Daan Weggemans investigated this in in-depth interviews with ten Dutch convicts for murder, paedophilia and terrorism.