The power of personalized nutrition lies in being able to conduct clinical research on healthy people while capturing metabolic markers sensitive to the impact of environmental and metabolic stressors (e.g. diet, changing sex hormones and the menstrual cycle).

Twenty years from now, the world population is estimated to be around 8.7 billion people, compared to the current 7.3 billion. In combination with the improvements in living standards and the corresponding growth in consumption, this will result in an enormous increase in the demand for food, consumables,…

All PhD candidates who started their project in 2019 or later take a mandatory course on academic integrity, preferably in their first year.

With a grant from NWO, Thomas Hankemeier will develop new methods to better understand the dynamics of the building blocks of life, such as cells, enzymes, and metabolites. He does this together with the University of Amsterdam and a number of companies.

Students from the programmes Life Science & Technology filled out the most National Student Surveys (NSE) out of all Leiden Science students, the assessor announced on 16 March in the Science Club.

A prisoner from Eindhoven who posted vlogs about his life in prison is attracting thousands of viewers on TikTok and other social media. Esther van Ginneken commented on regional news site ‘Omroep Brabant’: 'Contact is a human necessity.'

Man-made sounds in and around the oceans stress marine life and have an impact on marine species and ecosystems by changing the underwater acoustic climate. Hans Slabbekoorn from the Institute of Biology Leiden pleads for technical solutions to mitigate problems of noise pollution. Science review paper…

Prof. Dr. Joost N. Kok is panel chair in the research assessment of Tampere University of Technology (TUT), Tampere, Finland.

Leiden University and Delft University of Technology are committed to providing you with a quality graduate education by scientists who bring their cutting-edge research into the classroom. For the Industrial Ecology MSc programme, both universities integrate the expertise of two internationally recognised…

For many people, five o’clock signals the end of their working day. But not for the motivated students of the Honours College Law. With some drinks and snacks, they keep going well into the evening. This time, they met for the festive conclusion of a course which brought the history of Dutch crime to…

We talk to Justin, who was diagnosed with Bipolar Disorder type 1 over 14 years ago. Justin is very candid and talks about his first manic episode at the age of 28, and how he learned to live a stable life. Justin is doing well, and he owes this in particular to his own perseverance. What do you experience…

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

Tessa van de Rozenberg and Daudi van Veen won the Synergy Award last month during a yearly conference of the Dutch Research Council (NWO). The PhD - candidates from Leiden University College The Hague won the prize for their idea to develop a diagnostic tool for publishers to examine gender and ethnic…

Promotor: E. Bouwman, Co-Promotor: S. Bonnet

Russia’s invasion of Ukrainedramatically changed the geopolitical situation in the European continent. Former EU High Representative for Foreign Affairs Josep Borrell called the war in Ukraine an “awakening moment for Europe” and declared that it was “high time to reinvigorate the enlargement process…

His Surinamese neighbours in Amsterdam gave Russia expert and economic historian Isaac Scarborough an idea: a re-evaluation of the Surinamese economy in the twentieth century. An NWO XS grant will enable him to make a start on this.

Circular economy… is it another a buzz word or a concept worth learning more about?

Early diagnosis, new treatments, and personalised care: all of these are possible if we can better unlock the wealth of information hidden in health data. Unfortunately, this data is often poorly organised, difficult to access, and not interoperable. The new international Leiden Institute for FAIR and…

The MSc Life Science & Technology receives a bronze medal in EW Best Studies 2023. Every year, Elsevier selects the top programmes in higher education. A medal means that students are above-average satisfied with the quality of their programme.

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.

The Radboud Institute for Culture and History is looking for a researcher/PhD candidate in the project 'The Social Life of Early Medieval Normative Texts'. Deadline for applications: July 6.

The four thousand war victims buried at the Netherlands Field of Honour at Loenen include a number of Leiden students who were in the Resistance. The War Graves Foundation is looking for volunteers to take part in a special event to honour the deceased.

In recent years, the Walad Djifir from Chad found themselves in a turbulent environment due to the unrest in Nigeria, Libya and the Central African Republic. How did they adapt? Inge Butter explored their situation in her PhD thesis. PhD defence will take place on 2 July.

The number of life sentences in the Netherlands is rising sharply. This is a clear response to the serious drugs violence and brutal attacks on our rule of law. However, criminal justice experts do not believe that this will deter future offenders from carrying out liquidations.

Plastics have become an integral part of modern society due to their versatility and durability.

In this study I explore literary structures of identity-formation in the works of assimilated/acculturated Jewish writers: Kafka’s novella “The Metamorphosis” (“Die Verwandlung”, 1912) and David Vogel’s Hebrew novel Married Life. 1929).

It has been a long-standing mystery how complex biological structures emerge from such seemingly uncoordinated building blocks as cells and tissues, in the presence of only minimal environmental guidance.

On Wednesday 11 June 2025 Steffie van Gompel successfully defended a doctoral thesis and graduated.

How have British cities changed in the years since the Second World War? And what drove this transformation? This innovative new history traces the development of the post-war British city, from the 1940s era of reconstruction, through the rise and fall of modernist urban renewal, up to the present-day…

The court has dismissed Ratko Mladić’s appeal and upheld his life sentence for genocide and war crimes. The verdict is one of Yugoslavia tribunal’s last. Mission accomplished?

How did you get to where you are now? This is a key question in the Academic Life Course board game, developed by and for academics. ‘In a normal working week we hardly ever talk about the career choices we make, but with this game, we do.’

Amino acids are the building blocks for life on earth. They may originate in space and reach the Earth via comets and meteorites. Daniël Paardekooper examined part of this hypothesis. PhD defence on 5 July.

The course Designing Your Life helps students navigate their career pathways. As it turns out, these pathways are full of twists and turns and - as with many journeys - you only make progress once you gather the courage to take the first step.

In this thesis we examine certain phenomena in symplectic topology which are related to the theory of isolated singularities.

Statistical distributions in LCA and converting between different representations of these distributions.

The Automated Design and Analysis of Algorithms (ADA) research group pursues the development of Artificial Intelligence techniques that complement, rather than replace, human intelligence.

Learning to cycle without a handbrake, saying sorry if you're late for a lecture and fathoming out the weird sounds of Dutch. Leiden's new international students get a crash course in Dutch culture during their introduction week.

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…

Jantien Hadders (50), head of Education and Research Policy at FGGA, lost the love of her life and, to her great sadness, did not become a mother. It was precisely by being able to share her loss in the workplace that she slowly regained trust in herself.

To look for atmospheres around planets outside our solar system is to look for extraterrestrial life. Astronomist Sebastian Zieba used data from the James Webb Space Telescope to study small rocky exoplanets but found no aliens yet. However, his findings are still very interesting for future observations.…

ALMA has observed stars like the Sun at a very early stage in their formation and found traces of methyl isocyanate - a chemical building block of life. This is the first ever detection of this prebiotic molecule towards solar-type protostars, the sort from which our Solar System evolved. The discovery…

Natashe Lemos Dekker addresses the experiences of family members of people with dementia as they expressed their sense of gradually losing the person with dementia in the article 'Anticipatory Grief in Dementia: An Ethnographic Study of Loss and Connection' published in Culture, Medicine, and Psychi…

A more efficient solar panel sounds great. But what if these new panels consume more toxic materials, or their production consumes a lot of energy? Leiden environmental scientists, together with colleagues from the Fraunhofer ISE, address this multifaceted question in a new publication in the prestigious…

NASA’s telescope SOFIA has provided a new glimpse of the chemistry in the inner region surrounding massive young stars where future planets could begin to form. Leiden PhD candidate Andrew Barr writes about it in the Astrophysical Journal. The scientists found massive quantities of water and organic…

Leiden researchers have discovered a surprising new way to shape and control tiny droplets of molecules found in living organisms. The breakthrough could lead to smarter biomaterials, improve drug delivery and even new insights into the emergence of life on Earth. The work was published in Nature Co…