In a new study published in PLOS One, Leiden archaeologist Anastasia Nikulina, together with an international team from France, Denmark, the United Kingdom and the Netherlands, challenges the long-held belief that early humans had minimal impact on their environment before the rise of farming.

A new government, conflicts around the world and obviously a lot of science: these are the five stories about Leiden University that you enjoyed reading in 2024.

Una Europa, an alliance of 11 top European universities, provides annual seed funding for new research and teaching projects. Assistant Professor Carmen van den Bergh applied for funding with her Flemish and Italian counterparts. Thanks to this funding and the support of Erasmus+, students can now take…

In his leaving interview, Martijn Ridderbos doesn’t have to think long when asked what he is most proud of. ‘Bringing people together; creating things together. Reducing the gap between researchers and the staff who support them because the latter are essential. We’ve achieved that and the seeds have…

After three years of covid postponements, the time had finally come on Wednesday 29 June 2022: Carel Stolker’s last speech as Rector Magnificus was buried according to tradition under the ginkgo tree in the library at the Kamerlingh Onnes building.

Mozambican politician and child rights activist Graça Machel will receive an honorary doctorate from Leiden University for her commitment to the rights of women and children in Africa and elsewhere. She will be awarded the honorary doctorate on the Dies Natalis, the University’s foundation day, on 8…

Het zichtbaar maken van ongeschreven verhalen van inheemse culturen en volken van de Cariben. Dat doet de tentoonstelling ‘Caribbean Ties’ in de Oude UB.

A group of nine activists from Students for Palestine occupied part of the Academy Building on Wednesday 26 November. Outside, a group of around 30 demonstrators chanted slogans and called on the Executive Board to sever ties with Israeli universities.

Security

Annetje Ottow is the first female president of the Executive Board of Leiden University, which means a return to her Alma mater.

A lot of municipalities work with a points system to encourage construction projects to take biodiversity and creating green areas into account. But this way of working also benefits local neighbourhoods and residents, master's student Marije Sesink discovered. She based her study on The Hague.

Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.

Interest groups seem to be going to court more often to force politicians to act. How often do they do so? And how successful are they? The Kiem project ‘Litigation in the name of public interest’ is compiling a database on this.

Neanderthals were able to outwit straight-tusked elephants, the largest land mammals of the past few million years. Leiden professor Wil Roebroeks has published an article about this together with his German colleague Sabine Gaudzinski-Windheuser in the Science Advances journal.

Over 30 ambassadors strengthened their ties with researchers and university leaders in a recent visit to Leiden University. Cross-border collaboration (both literal and figurative) was the theme of presentations and a tour of the Hortus botanicus.

Leiden University is celebrating its 450th anniversary in 2025 with a feast for the eyes, ears and spirit. The anniversary year opens with an extra special Dies Natalis on 7 February. Highlights includes an alumni festival, three exhibitions and a canal concert.

This month, Leiden University’s Joanne van der Leun steps into the role of Chair of Una Europa’s Board of Directors. She does so at an important moment of transition for Una Europa.

Leiden University is taking a major step forward in the energy transition with the expansion of the thermal energy storage (TES) in the Gorlaeus Building. This expansion is needed to be able to heat and cool all the new and renovated buildings on the Campus Square of the Faculty of Science sustainably.…

Education, Research

Leiden PhD candidate Mona Shahab climbed Mount Everest two years ago to raise money for the education of disadvantaged children in Egypt. She made it to the top and posed there with the University flag. She recently presented the flag to Rector Carel Stolker.

Eight university vegetable patches will soon join the display at the Hortus botanicus. The sun shone down on almost 40 enthusiastic students and staff as they started work on the new Community Garden there earlier this month.

Soil ecologists Emilia Hannula (Leiden) and Elly Morriën (UvA) received the Golden Medal of Teylers Tweede Genootschap on 5 November. They received the prize for their submission to a competition on sustainable soil management.

Four promising young researchers will be able to conduct two years of research at a university abroad thanks to a Rubicon grant from the Dutch Research Council (NWO). The Leiden laureates are Renske Janssen, Girija Josh, Anne van der Meij and Yana van der Weegen.

Water damage, old restorations and copper corrosion in some illustrations. De Materia Medica has been through a lot over the centuries. The manuscript dates from 1083 AD and is one of the oldest illustrated Arabic manuscripts in the world. Due to intensive use, De Materia Medica was no longer in good…

From a vegan community kitchen to a green framework for drug development: sustainability became more visible in everyday campus life at Leiden University in 2025.

Learn how silence can benefit your well-being during Work Stress Week from 11 to 15 November. It’s no surprise that we sometimes need a bit of peace and quiet, says Professor of Auditory Culture Marcel Cobussen. ‘Our brain is exposed day and night to auditory stimuli.’

Leiden University is introducing 15 interfaculty themes to improve its visibility and strategic positioning. These themes can now be found on our website.

Everything is peaceful again in and around the Wijnhaven building at Campus The Hague. Earlier today, the location was the scene of a large pro-Palestinian protest. Lectures were cancelled. In the end, everyone left the building voluntarily.

The Leiden interdisciplinary research programme Global Transformations and Governance Challenges (GTGC) and the Embassy of Ireland are jointly organising a special book launch in The Hague. On 13 November, Gerry Finnegan, author and a former director of the International Labour Organisation (ILO), will…

At an international high-level conference, Valentina Carraro, Deputy Coordinator of the interdisciplinary programme Global Transformations and Governance Challenges (GTGC) presented her research on human rights in the UN Human Rights Council and Treaty body systems. One of the most practical recommendations…

The Dutch Research Council (NWO) has awarded Vidi grants to Leiden researchers.

Research

Would you like to take concrete steps toward a sustainable university or do you have a broad interest in sustainability? Over 200 staff members have already joined the Leiden University Sustainability Network. And there is always room for more – even if you’re no expert on sustainability, says project…

Some thirty Leiden students balanced on SUP boards for the Supping for Sustainability Lustrum activity. Together with alumnus Merijn Tinga, better known as the Plastic Soup Surfer, they paddled their boards through the Leiden canals and waterways, fishing plastic waste out of the water.

Leiden is European City of Science in 2022 and this will be celebrated under the name Leiden2022. During Leiden2022, various activities will be organised, such as lectures, workshops, excursions and exhibitions. On the occasion of Leiden2022, Postbus 71 will be opened: the place to go if you have any…

Without scientific knowledge, we won’t be able to tackle the grand challenges of the 21st century: climate change, energy transition, social inequality and coronavirus, for example. Professor by Special Appointment of the Social Value of Science Laurens Hessels is therefore calling for more transdisciplinary…

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

Many saw the UN Summit of the Future as the moment of truth for the United Nations and its plans for the world. Joris Larik, Assistant Professor of Comparative, EU and International Law, explains the results.

For some it will sound like music to their ears, but for others is may sound less appealing: now the advice on working from home has changed, we can once again go to the office. After a period of working from home, which for some lasted almost two years (with maybe a short break), it can be a big transition.…

To what extent can global issues be solved by multistakeholder collaboration, a relatively new type of organisation? Jan Aart Scholte, the coordinator of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme, has received a Dutch Research Council (NWO) grant…

Lawyer and human rights activist Lilian Gonçalves-Ho Kang You is the new Cleveringa professor.

Giving lectures, marking exams, essays or theses, supervising students and PhDs, doing research and, as if that wasn’t enough, also trying to raise the necessary funding. There is a limited number of funds for academic research and a large number of applications. Many of our researchers therefore experience…

As a university, we enjoy collaborating with international partners, but it can happen that sensitive information falls into the wrong hands. For that reason, employees need to carefully weigh up the possible risks of every potential cooperation. Adviser Merel Snoeck explains the new knowledge security…

By looking at what is different, researchers often discover the special, the unusual. And that has already brought a wealth of highlights – also in Leiden.

Western countries still tend to view Africa as the periphery, says anthropologist Mayke Kaag. In her inaugural lecture, she calls for a shift in perspective: to see Africa as a mirror of global developments.

The annual conference of the Global Transformations and Governance Challenges (GTGC) interdisciplinary research programme will take place in The Hague on 7-9 June. As a researcher at Leiden University, why should you be there? ‘Nearly every research study has a governance dimension, but academics often…