Mission: The Environmental Biology department aims to increase the scientific understanding of how current and emerging anthropogenic threats affect biodiversity and ecosystem services. Through this understanding they facilitate strategic management of natural resources by addressing urgent challenges…

Recent debates on energy transitions and poverty illustrate the social ecological complexities of sustainability problems. These cannot be tackled by single academic disciplines – nor by academics alone. In this blog, Marja Spierenburg reflects on the need for, and challenges of ‘transdisciplinarity…

In the specialisation Child and Adolescent Psychology , part of the Master in Psychology, you develop practical skills in assessing and managing developmental psychopathology.

In the specialisation Clinical Psychology, part of the Master in Psychology, you gain extensive knowledge on the asessment and treatment of mental disorders.

Whilst the world is opening up, the teaching will continue in a hybrid form next academic year. During the past year, when all of us were bound to our home offices and computer screens, new forms of education had to be developed – some of which proved to be efficient in preparing the students for their…

Everything biobased: Plastic, medicine and fuel. It seems like a futuristic utopia. But for how long? A collaboration of researchers now proposes an idea to accelerate the development process. By combining machine learning and laboratory automation, this biobased ideal may become a reality rather sooner…

On 14 April, the National Growth Fund awarded million euros in grants to two consortia in which Leiden's science faculty is involved. Pharma-NL will receive 80 million euros and Oncode-PACT 325 million euros. Pharma-NL wants to make medicines available to the patient faster and more sustainably. Oncode-PACT…

Eiko Fried has been appointed professor of Mental Health & Data Science. This combined chair neatly fits the view that understanding complex mental health issues require the integration of statistical methods. ‘The idea that mental health problems are monocausal entities with simple etiologies is no…

During ExpeditionNEXT in Middelburg, NeurolabNL youth, together with researchers from Leiden University and Erasmus University, handed over a unique research agenda to NWO Chairman Marcel Levi. In it, young people share what they would most like to learn about themselves and the brain.

Discover which Bachelor's programmes at Leiden University suit your area of interest.

Discover which Bachelor's programmes at Leiden University suit your area of interest.

The overarching aim of this theme is to increase our understanding of the mechanisms underlying altered cognitive, affective, and social behavior in relation to mental health problems.

Promotores: Prof.dr.G.R. de Snoo and Dr. R. Heijungs

Holtz defended her dissertation ‘Collective human rights as an (onto)logical solution to climate change: reconceptualizing, applying and proceduralizing an overlooked category of human rights’ on 16 October 2025. The doctoral research was supervised by Carsten Stahn and Daniëlla Dam-de Jong.

This interdisciplinary project will explore the potential for equitable exchange of Indigenous Knowledge Systems (IKS) and climate science for climate justice.

In the specialisation School Psychology, part of the Master in Psychology, you will learn how to create positive learning environments to support talent development and potential for learning as well as practical clinical skills for all students, regardless of their intellectual or mental states.

This book investigates the effects of brain lesions in the left hemisphere, specifically Broca's area, on the production and perception of vowels, of word tones and of the linguistic use of sentence melody.

If PhD candidates encounter problems, they should ask for help early on. If the problem is of an academic nature (in relation to research or teaching), their supervisors are the first port of call. If the issue falls outside the remit of the supervisors, there are several options.

On October 31st, Margarita Gulian succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Margarita on this great result.

On the 2nd of July, Jiaqi Wang successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Jiaqi on this achievement!

The self-assessment tool on inclusion and wellbeing is designed to help teachers and school leaders to evaluate and improve their school's inclusion policies and practices. It includes a series of targeted questions related to improving school success for all and fostering an inclusive and healthy e…

In this article, Bart Schuurman and Sarah Louise Carthy explore the distinctions between radicalised individuals and the general population

From basic science to real-world interventions

Latent variable modeling of students' solution strategies and performance

Healthy University Leiden aims to promote a working environment where staff and students can do their jobs responsibly, healthily and in positive surroundings, and where they can achieve their potential.

A group of biology students are working on a solution to the world’s plastics problem by getting bacteria to make biodegradable plastic.

Leiden heritage expert Sjoerd van der Linde is carrying out research on the heritage of the Caribbean region. This research forms part of the international Nexus 1492 project on the consequences of colonisation for the Americas. ‘We first have to find out what the local population wants.'

Anthropologist Erik de Maaker has received a grant from the Himalayan Universities Consortium worth USD 37.000, along with researchers from Yunnan Minzu University (Kunming, China), Sikkim University (India), the Royal University of Bhutan (Thimpu, Bhutan). The grant, to be used in 2018/2019, is meant…

Can a robot help prepare cancer medication in a hospital pharmacy? That’s what hospital pharmacist Tjerk Geersing investigated in his PhD research. He compared manual and automated preparations in terms of quality, efficiency, and safety. He graduated on 19 March.

Promotores: Prof.dr. G.A. Persoon & Prof. dr. H.H. de Iongh

Leiden University’s contribution to the Social Sciences Sector Plan is organized across several interconnected levels. The national Sector Plan themes define shared priorities across Dutch universities, while Leiden’s research themes and faculty focus areas provide direction and focus within the uni…

In the specialisation Clinical Neuropsychology, part of the Master in Psychology, you will focus on fostering clinical and scientific skills based on a solid theoretical background as well as practical training in neuropsychology and (clinical) neuropsychological research.

In the specialisation Health and Medical Psychology, part of the Master in Psychology, you will acquire knowledge on clinical and scientific topics in health promotion and disease prevention as well as practical training on clinical skills and behaviour change.

Learning from nature and utilizing microbial biodiversity to identify and characterize enzymes for degradation and upcycling of plastics and other polymeric materials.

The Leiden Institute of Education and Child Studies aims to conduct high-quality research that addresses major social issues. This inspires its BSc, MSc and PhD programmes.

Are you curious about how health, behaviour and our living environment are connected? At Leiden University, you’ll explore how people grow up, age and live together in a changing world. From mental health to healthcare innovation, from lifestyle to healthcare policy: you’ll learn to understand societal…

Are you curious about how health, behaviour and our living environment are connected? At Leiden University, you’ll explore how people grow up, age and live together in a changing world. From mental health to healthcare innovation, from lifestyle to healthcare policy: you’ll learn to understand societal…

Steeds drukker is het in populaire banen rond de aarde voor ruimtevaart. Niet alleen met satellieten, vooral met meer afval, wat onveilig is. Zhuang Tian promoveert op de juridische kant van afgedankte ruimte-apparaten. Wie troep veroorzaakt, moet het weer opruimen.

The Hague Global Futures Hub was officially launched at the Wijnhaven building on Campus The Hague on 10 June. This collaboration between Leiden University and the University of Edinburgh represents a significant step forward in addressing global challenges.