Fish populations in lakes and rivers have declined in recent decades. This is probably due to light and noise pollution. The Horizon Europe grant enables ecologist Hans Slabbekoorn to investigate this and improve the situation for migrating fish. In order to do so, a seven-metre-long swimming tunnel…

The National Chamber of Student Associations (LKvV) launched a coronavirus campaign today: ‘That’s why.’ The campaign was launched together with Ingrid van Engelshoven, Minister of Education. The aim of this national campaign is to get students to follow the coronavirus rules. The virus is still spreading…

Material circularity and energy efficiency are highly relevant and intertwined issues for the transition towards a carbon-neutral and circular built environment. In the Netherlands, the building sector has been rendered a priority towards a circular and low-carbon society.

With the What's Next? series we hope to inspire current Media Technology MSc students, show the variety of paths taken after the studies, and bring together alumni. Editions of the series are generally organized around a particular theme by Media Technology MSc students themselves, and followed by social…

With the What's Next? series we hope to inspire current Media Technology MSc students, show the variety of paths taken after the studies, and bring together alumni. Editions of the series are generally organized around a particular theme by Media Technology MSc students themselves, and followed by social…

With the What's Next? series we hope to inspire current Media Technology MSc students, show the variety of paths taken after the studies, and bring together alumni. Editions of the series are generally organized around a particular theme by Media Technology MSc students themselves, and followed by social…

The D66 proposed bill on Ending Life with Dignity is inadequately substantiated and contains contradictions. This is the view expressed by Professor of Political Philosophy Paul Nieuwenburg in his inaugural lecture on 17 March.

The life of a students is not always easy and many students find it difficult to share their problems with each other. For that reason, the study advisers and coordinators of studies of Campus The Hague organise the symposium OpenUp!. This event was awarded with the Van Bergen Prize.

The Faculty of Science has multiple study associations, which organise both study-related and social activities for students.

Single-celled organisms have stiffer DNA than multicellular lifeforms like humans and rice. Theoretical physicists managed to simulate the folding in full genomes for the first time to reach this conclusion. Publication in Biophysical Journal on February 7.

If there is life outside our galaxy, how could we find it? In his Oort Lecture, James Kasting talks about his search for simple life on other planets. Kasting was in the Netherlands for two weeks, because he was invited as the Oort Professor 2018.

Researchers from Leiden University analysed almost 30 years of communication on astrobiology. News articles proved most speculative, especially via quotes from scientists. Especially exoplanet research is often accompanied by high expectations about extraterrestrial life, they write in PLOS One.

This ethnographic exploration of anticipation published in the Journal of the Royal Anthropology Institute draws on fieldwork among people with dementia and their families in the Netherlands.

Observations made with the ALMA telescope in Chile and ESA’s Rosetta mission, have detected the faint molecular fingerprint of methyl chloride in gas, a chemical commonly produced by industrial biological processes on Earth, around both an infant star and a comet. Methyl chloride, also known as Freon-40,…

How to deal with the most challenging design question of your life: what do I want to be when I grow up? The ‘Designing Your Life’ method teaches students how to craft their own future. The project will start next academic year, thanks to a Comenius grant. ‘Everyone interested should be able to borrow…

With 8.9 million euros from the Danish National Research Foundation, Aarhus University and Leiden Observatory will establish the Center for Interstellar Catalysis. The centre is led by Aarhus professor Liv Hornekær and aims to find out how and when the building blocks of life formed in the Universe.…

Getting motivation, courage and tools to find a job that will help you tackle the climate crisis: it is at the heart of the course ‘Designing Your Career as a Climate Changemaker’. With their final presentations, the students conclude this climate-specific skills module within the Designing Your Life…

Due to the increasing resistance to certain antibiotics, the life-threatening condition sepsis is becoming harder to treat. For her PhD project, Leiden pharmacologist Feiyan Liu used mathematical modeling to find out how antibiotics can be used more effectively to cure sepsis.

During their second year, the students of the bachelor Security Studies get a feeling of what their professional career might look like.

Freshwater biodiversity has been threatened by eutrophication due to excessive nutrients in the environment. Releasing the freshwater species from such pressures requires efforts from industry and manufacturers to avoid emissions to vulnerable and high-risk regions.

Our students and public and private organisations have much to offer each other. To connect students with organisations, FGGA facilitates this through an internship and traineeship platform: TRAIL.

In the master’s programme in Archaeology, you can follow courses on the archaeology of Europe, deepening your understanding of the continent’s long history.

An international team led by Leiden astronomers has discovered diverse ices in the darkest, coldest regions of a molecular cloud. To do so, they used the James Webb Space Telescope. This discovery allows astronomers to examine the simple icy molecules that will be incorporated into future exoplanets,…

On 11 and 12 September 2025, a conference will take place at the KU Leuven, titled: "Canonical Life in Western Europe in the Long Tenth Century: Reforms, Identities and Intellectual Networks (Late Ninth Century - c. 1050)." The organisers invite paper proposals of max. 400 words in English or French,…

Shortly before Remembrance Day, a new film was launched about the life and legacy of Ben Telders. Telders was professor of Dutch Law at Leiden University at the start of the Second World War; he was imprisoned in a concentration camp on account of of his protest against the Nazis.

The Just Peace Festival's first edition is live! The Opening Event marked the beginning of two weeks filled with activities to reflect on what peace and justice mean in today's world.

Professor Kees Waaldijk presented the report on the LawsAndFamilies Database to Pearl Dykstra, member of the High Level Group of Scientific Advisors of the European Commission on 25 April. This comparative study shows that in European countries same-sex partners are increasingly gaining equal rights.…

Young people spend a lot of their time online. Even so, we still know very little about how this intensive use of social media influences their development. Brain researcher and Spinoza Prize winner Eveline Crone from Leiden University and media psychologist Elly Konijn (VU) describes what the research…

How adolescents perceive parenting is related to their mood. Differences between the perspectives of parents and adolescents are also of importance for adolescents’ mood. That is what research by Loes Janssen and her Leiden University colleagues in Clinical Psychology shows. Open Access publication…

Most students do not have to deal with death on a daily basis. A Bachelor Honours Class about this specific topic seems to be a special experience: the discussions about end-of-life care are tough, and students are broken out of their comfort zone. They nevertheless agree upon one thing: these are all…

‘A challenging rollercoaster, but also a very bonding and insightful experience,’ that’s how the team of iGEM Leiden 2022 wraps up their participation in the iGEM contest. The contest for synthetic biology climaxed during the Grand Jamboree in Paris. The team ended up in the top 10 of over 360 teams…

RAWCLIC’s main goal is to develop knowledge on the future raw materials (RMs) demand, supply and associated environmental impacts induced by the energy and digital transitions in the EU, and to support fact-based industry- and policy- decision-making enabling these transitions.

Waarom is empirisch-juridisch onderzoek van belang voor de rechtspraktijk en het wetenschappelijke onderzoek? Op die vraag kregen masterstudenten van de afstudeerrichtingen civiel recht, ondernemingsrecht en financieel recht antwoord tijdens het congres over empirisch-juridisch onderzoek en het privaatrecht…

Leiden Professor of Astronomy Mike Garrett is searching for signs of extraterrestrial intelligence. In his Kaiser lecture on 23 April he will discuss how far science has progressed in this quest.

James Webb life’s building blocks

Astronomers have found complex organic ice outside the Milky Way for the first time. The discovery shows that the building blocks of life could arise early in the universe - and under a variety of conditions, said Leiden astronomer Will Rocha.

Together with physiotherapist and lifestyle therapist Jaap Wonders of SMC Rijnland, Helen Pluut conducted research during the first COVID-19 wave on the experiences of working people. The reason for the research was the compulsory situation of working from home many people found themselves in. One of…

Most of us know that Venice, Genoa, and Florence were major Mediterranean powers during the Renaissance. But did you know that in terms of trade and sea power, Barcelona was probably more powerful than two of these three?

Schrijf je een paper, scriptie of proefschrift over een boekhistorisch onderwerp? Of ken je studenten die boekhistorisch onderzoek doen? De Nederlandse Boekhistorische Vereniging (NBV) nodigt studenten en promovendi van harte uit om een poster over hun onderzoek te presenteren op het jubileumcongres…

NWO-funded audiovisual research into the experiences of migrants during major life events has culminated in new insights that can further our understanding of complex migration dynamics. The completion of this five-year project was marked with a roundtable event including international guests.

What’s really happening in the space between the cells in your body? With the Collagen Canvas project, students from Leiden University invite you to explore this question by blending science with art. This interactive artwork immerses you in the dynamics of the extracellular matrix—the invisible structure…

This book aims to unravel some of the mysteries surrounding this exceptional group of larger-than-life Bronze Age blades.

Geriatrics needs to radically change. This is what Simon Mooijaart will say in his inaugural lecture.

Coen van Hasselt’s pharmacology group collaborated on a study recently published in the renowned Lancet Infectious Diseases. The international team mapped the antibiotic treatment of the life-threatening inflammatory reaction sepsis in newborn babies. They did this for low- and middle-income countries,…

Leiden is bursting with student associations, from sports to music associations and from social to cultural associations. And this is good news because they will help you make more than just friends.

If you are new to Leiden, it might be a good idea to join one of its many student associations. You’ll quickly get to know people and build up a network that will continue to prove its worth long after you’ve graduated from your master’s.

With this thesis the PhD-candidate aims to enrich the body of evidence concerning the relation between stress and health, and the mediating role of (un)conscious perseverative cognitions, which is captured in the extended perseverative cognition hypothesis.

The European Union has awarded a COFUND grant to a consortium of researchers from the universities of Groningen, Leiden and Eindhoven for a collective fellowship programme called ‘oLife’. The 6 M€ programme, which is co-financed by the participating universities, will recruit and train 18 post-doctoral…