Life returned to something resembling normal after Covid but other crises soon took its place. These great challenges are also being felt at the University and our researchers are working on solutions. The nitrogen crisis, problems with young people’s services and an increasingly urgent climate crisis:…

Earth Overshoot Day, the day on which humanity has used all the natural resources that the Earth can regenerate in a single year, falls on 30 July this year. Three researchers from Leiden explain how this date can be pushed back.

The Sustainability Research Cluster fosters dialogue and collaboration among anthropologists and sociologists researching aspects of socio-cultural, ecological, and economic sustainability in and affiliated with the Institute of Cultural Anthropology and Development Sociology. It also seeks to stimulate…

On this page you will find an overview of awards and prizes granted to our staff and students in 2026, as well as special appointments at Leiden University and other institutions.

PhD defence

Professor of Fungal Genetics and Biotechnology Arthur Ram explains how fungi can help us be more sustainable.

Cryogenic memories, antibiotic treatment for urinary tract infections and recycling plastic sustainably. These are the subjects of the three NWO-XS grants awarded to Leiden Science researchers.

Several media published articles on the latest research from a team including Thijs Bosker, Associate Professor Environmental Sciences, last week. The research has shown that whales in the vicinity of Auckland New Zeeland consume three million microplastics a day.

Ava Bauer’s successor has been announced. From September 2023, Nalani Verwoord will be the new assessor of Leiden Science. Nalani is a third-year Biology student.

Materials like concrete, steel, plastic and fertiliser shape the world around us, but they’re also extremely polluting. If we want to build a more sustainable society, we can learn a lot from archeologists. How do we relate to these materials? And are there alternatives? Maikel Kuijpers is writing a…

It may not seem necessary to install special tap water stations in University buildings, but it is very useful: every tap here also means a tap in a developing country. With the the 35 tap water stations that Leiden University installs, the slum area of Madoya in Nairobi will soon have clean drinking…

Anti-litter activist Dirk Groot photographed, tagged, and collected more than 400,000 pieces of litter in the Netherlands. Now, he and his data are included in a study on urban litter by researchers from Leiden University and Andrea Ballatore from Birkbeck, University of London.

Gratis te downloaden voor het onderwijs: een inspiratie- en lespakket over stervormen hun symbolische betekenis en hun rol in verschillende culturen en godsdiensten.

Nederland Circulair! is organising the week of the circular economy, for the second time. This is a great setting for Leiden University to promote several of the university’s circular initiatives. We will kick off with an initiative by alumna Noortje Schrauwen: Raw material beachcombing.

Each year the LUF Committee for Academic Expenditure awards grants to research and education projects. These grants for academic talent are often an important step towards grants from NWO and other institutions.

At Orientation Week Leiden, a record 1,378 new international students got to know the city and one another. From a cracking karaoke party to fishing plastic out of the canals – see what they got up to in the photos!

How can a society protect itself from cyber threats? Sixty talented young researchers and professionals are learning more about this at the International Cyber Security Summer School in The Hague.

The Dutch cabinet will allocate a total of 40 million euros extra for institutions providing youth protection and youth rehabilitation over the next four years. Local councils must make the same amount available. Will that be enough to solve the problems?

Gayathri Jaikamur has been awarded by the Dopper Foundation in the Change Make Challenge. She is a student of Masters Biology (Specialisation: Evolution, Conservation and Biodiversity) from India - working under the supervision of CML-researcher Dr. Thijs Bosker (and co-supervision of Dr. Nadja Brun).…

Tropical butterflies adapt to their environment to improve their chances of survival. The changes are triggered by hormone signals that transmit information about temperature to the butterflies' tissues. Biologist Ana Rita Mateus shows how a complex combination of environment, physiology and genetics…

The eight ambitions of Leiden University's vision on education - Learning@LeidenUniversity - were the key theme of the packed Education Festival on 19 June. More than 200 lecturers and students came to PLNT, Leiden's innovation hotspot, for inspiration and best practices in the field of educational…

‘De aanpak van microplastics zit vol haken en ogen’

Prof. Robbert Dijkgraaf used experiments and models from Leiden University for his tv lecture on symmetry. The lecture was broadcast live on channel 1. He showed that our DNA only twists in one direction using a plastic DNA model and he used a Chladni plate to show the symmetry of sound.

From 26 to 29 September 2017 the International Conference on Microplastic Pollution in the Mediterranean Sea was held.

Springer Water series published the conference proceedings of the International Conference on Microplastic Pollution in the Mediterranean Sea.

An article by Bert Fraussen, Adria Albareda, Caelesta Braun, Moritz Muller & Erin Sullivan, published as a three-part blog series.

Reuse everything and stop producing waste. By 2050, the Netherlands should have a circular economy. However, the new Integral Circular Economy Report by the Netherlands Environmental Assessment Agency (PBL) shows that there is still a long way to go. For the report, the Institute of Environmental Sciences…

This February, Leiden University honors two scholars who have responded to the challenges of modern society in important, innovative and exemplary ways. Catherine Malabou and Safiya Umoja Noble will receive honorary doctorates for their ground breaking research in philosophy and internet/media studies…

An overview of the research at the Cancer Dug Target Discovery group.

Over the past century, the world population has grown exponentially, as has our need for energy and raw materials. If we wish to continue to live prosperously in the future, we have to radically restructure our economy and consumption. Scientific research shows us how to do this.

Researchers from the Institute of Public Administration study the mechanism of lobbying and influencing political parties and the behaviour of these parties to see how solutions are found to problems. This enables them to reach conclusions as to how best to effect changes in political focus and poli…

This project aims to identify which aspects of exploring a novel environment produce beneficial effects on memory. The effects of novelty will be investigated across the lifespan, including children, adolescents and older adults.

Over the past century, the world population has grown exponentially, as has our need for energy and raw materials. If we wish to continue to live prosperously in the future, we have to radically restructure our economy and consumption. Scientific research shows us how to do this.

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Is there extra-terrestrial life out there? It now looks as though we can sketch out an answer to this enduring question. Leiden Observatory is helping to build new instruments to find the most promising exoplanets.

At Leiden University College (LUC), engagement with international societal partners occurs through research, education, and internships, fostering mutually beneficial collaborations with NGOs, public service institutions, and international counterparts.

The master's specialisation School Psychology consists of three main parts: the mandatory courses, the thesis and the internship/extra electives.

Evolutionary and ecological interactions affect species on genetic and phenotypic levels. This theme aims to understand these processes at multiple levels: from molecules to genomes to populations and to communities. Our research focuses on evolutionary responses to anthropogenic change, the role of…

Looking for ways to travel more sustainably once you've reached your destination? Here, we offer some ideas and helpful links to guide you in becoming a more responsible tourist. Ecotourism, defined as "responsible travel to natural areas that conserves the environment, sustains the well-being of…

In the course 'From Ceramics to Plastics: The Mediterranean in 12 objects' students were taught to work with 3D scanning technologies. One of the underlying reasons to introduce students to this technology was to teach them to reproduce objects. ‘More and more archaeological information is stored in…

On the Things That Talk platform, students publish stories about objects from museums from the many collections of the university library and the city. An interview with Fresco Sam-Sin, its creator. Sam-Sin: ‘Things That Talk is a way to talk to each other about the structure of our education and about…

Every year, more than three thousand businesses are declared insolvent in the Netherlands. The purpose of bankruptcy is to divide the assets of these companies among the creditors. However, the value of the claims of the creditors often exceed the value of the assets of the company

We study how communication can heal and harm when patients are confronted with an illness. Most of our studies focus on serious illnesses such as advanced cancer. Communication lies at the heart of medicine, yet we do not always know which specific communication helps patients. Moreover, many complaints…

De decentralisaties van de zorg aan langdurig zieken en ouderen, jeugdzorg, en werk en inkomen die vanaf 2015 zijn doorgevoerd in Nederland hebben geleid tot een transitie van een centraal naar een lokaal stelsel van zorg en welzijn. Deze transitie beoogt zorg en ondersteuning dichter bij de inwoners…

Foute taal? Bestaat niet!

Each year the LUF Committee for Academic Expenditure awards grants to research and education projects. These grants for academic talent are often an important step towards grants from NWO and other institutions.

Neuroscientist Elseline Hoekzema receives a large European grant from the European Research Council (ERC). This ERC starting grant for promising young researchers allows her to investigate the effects of pregnancy on the brain in detail.

Young people influence one another to take greater risks, although it's not quite that cut and dried. This is what development psychologist Jorien van Hoorn discovered. Peers also have a positive influence on one another, an aspect that has so far been under-researched. PhD defence 12 January.

Glorious sunshine, dozens of enthusiastic academics and huge numbers of Leiden residents ensured that this year’s special jubilee version of 3 October University was a great success.

On November 21, theoretical physicist Juan Maldacena gives the Ehrenfest Colloquium. Maldacena is known worldwide as the inventor of AdS/CFT correspondence, which might be key to a theory of quantum gravity. Maldacena is winner of the prestigious Dirac Prize and the Breakthrough Prize in Fundamental…