On Monday December 17th the ILS 2.0, SOLID project will hold an afternoon Symposium on ‘Challenges to European Integration: welfare states and free movement in the EU’ from 11.45 – 16.30. The symposium will take place in room A.014 at the Kamerlingh Onnes Building (Steenschuur 25) of Leiden Law Scho…

The development plans for the Humanities Campus are changing somewhat. The financial challenges at the Faculty of Humanities and the higher education cuts mean Leiden University has to reduce its spending. One consequence is the Lipsius building will not be rebuilt after demolition in 2031.

The Leiden Hortus Botanicus is the oldest botanical garden in the Netherlands. Although perfect for a ramble, it is much more than an open air museum. PhD students carry out their research here and the Hortus makes a serious contribution to biodiversity through the exchange of rare seeds with other…

On Wednesday 31 January, at 15.00 hrs, Vestert Borger will defend his dissertation entitled ‘The Transformation of the Euro: Law, Contract, Solidarity’ in the Great Auditorium of Leiden University. The dissertation has been written under the supervision of Professor Stefaan Van den Bogaert (supervisor)…

Livestock was already transported over long distances in the Bronze Age Netherlands. That is what researchers from Leiden University and VU Amsterdam have discovered. Publication in the Journal of Archaeological Science: Reports.

‘In recent publications about the slave trade the same rhetorical weapons are used as two centuries ago in the battle for the abolition of the British slave trade. It is a topic fraught with emotions, but that should not prevent historians from being as careful and impartial as possible in their research,’…

Gilles van Wezel of the Institute of Biology Leiden will lead a European consortium to search for new medicines and disease-suppressive microbes while preserving biodiversity. The consortium will explore the largely unknown potential of marine microorganisms.

Dr Brian McGarry, Assistant Professor of Public International Law at the Grotius Centre for International Legal Studies, addressed the International Tribunal for the Law of the Sea in the world's first advisory proceedings concerning climate change. His advocacy for the Commission of Small Island States…

Professor Antje Wessels has received an NWO Open Competition grant to research fragmentary texts.

Due to an overwhelming amount of enthusiasm for Touching Treasures: The History of Photography, another workshop will be organised on 13 May 2019, from 15.00 to 17.00. There, the Beyond Content thematic program will continue in the Vossiusroom at the Leiden Univerisity Library (UBL). The workshop will…

Olivier Nieuwenhuyse, member of the Faculty of Archaeology, was successful in receiving a grant from the Bijvanck Foundation for a first campaign of work at Tell Begum, northern Iraq (Iraqi Kurdistan). A small international team directed by Olivier Nieuwenhuyse in a joint effort with the Directorate…

Physicist, former D66 party leader and author, mainly of children’s books, Jan Terlouw, gives three to four readings a week. Even at the age of 86 he is tireless in communicating his message: ‘We need to regain trust in one another, and we have to seek fraternity.’

On May 15th, from 15.15 to 17.00 in the Vossiusroom, Leiden University Libraries will host a program on web-archiving and digital archives of Chinese communities in the Netherlands and Indonesia.

On Thursday 3rd of March 2016 the 14th Norbert Schmelzer, organized annually by the CDA party, took place in the Hague. This year the lecture was given by Commission President Jean-Claude Juncker.

In the new board game Epoch – Early Inventors you explore the prehistoric landscape. You gather food and raw material to develop tools and skills, and you try to appease the gods. Dr Maikel Kuijpers was involved in its development from the start and he is very happy with the result. “There is a lot…

MIDDELBURG/GENEVA – The president of the United Nations Human Rights Council has invited the Zeeland Archives from the Netherlands, to Geneva on March 20th in order to present its project about the historical slave voyage aboard The Unity (1761-1763).

Many poor people in Indonesia mainly rely on their family members, neighbours and the local community as a social safety net. One of the forms of aid from the community is called ‘jimpitan’ in Central Java. PhD candidate Ayu Swaningrum researched how this social security system works.

Food production in the Netherlands is an economic success but has led to many environmental issues, including nitrogen pollution. Recently, the policy to allow economic growth while reducing nitrogen losses was disapproved by the highest court in the Netherlands, casting the country into a nitrogen…

An EU-project full of suggestions for cultural associations...

Artist Marlene Dumas gave the 48th Huizinga Lecture to a packed Pieterskerk on 6 December. She spoke about her own background, and why you can’t assume this will help you understand her work.

The idea that modern humans displaced Neanderthals because they were better protected against toxic smoke components is now under fire. An earlier study that put forward this suggestion has now been refuted by genetic research by scientists from Leiden and Wageningen. This new research was published…

Thanks to fanatical lobbying various groups of citizens and traders had a lot of influence on the initial success of the Dutch colony in Brazil. This is the conclusion of Leiden PhD candidate Joris van den Tol, who defended his thesis on 20 March.

This summer, everyone from Leiden locals to day trippers and tourists can take a guided tour of the prettiest University buildings in the centre of Leiden. Our exclusive Summer Tours offer a glimpse behind the scenes at the Academy Building, the P.J. Veth building and Bibliotheca Thysiana: buildings…

The exhibition Unity and Diversity in the Amerindian Caribbean: The El Cabo San Rafael Archaeological Site has been officially opened by Prof. dr. Corinne Hofman on Tuesday evening in Santo Domingo.

Jelle Wouters (RTC Bhutan), Erik de Maaker (CADS Leiden) and Radhika Gupta (CADS Leiden) have been awarded a €260.000 grant by the Gerda Henkel Foundation for the research project ‘Perpetuating Highland Heritages of Bhutan’. This 4-year research project focuses on vernacular and unacknowledged heritages…

Soil ecologist Emilia Hannula has been awarded a Vidi grant by NWO to examine how soil could become a promising ally in combating climate change and improving biodiversity. ‘Soil creatures might be invisible’, she says, ‘but they play a huge role in creating a healthy environment.’

The Palaeolithic period extends from the earliest stone tools (and in Europe, earliest occupation) to the beginning of the current warm period.

Dr Sarah Schrader, an expert in the study of human remains, received a VIDI grant for a research project on health and inequality. In present day people with a high socio-economic status encounter fewer health risks than those in lower socio-economic strati. ‘Now we will look at this process in the…

On 3 September 2025, more than 30 archaeological objects were returned to Peru, Panama and Costa Rica. The objects come from a private collection belonging to the descendants of physician and amateur archaeologist Dr Hans Feriz. In her will, his daughter stipulated that the objects collected by her…

The Dies Natalis for alumni was held on Saturday 10 February, organised by the Leiden University Fund (LUF) together with the University. Almost 500 alumni came together in the Kamerlingh Onnes building to celebrate the 443rd anniversary of the foundation of their alma mater.

Grondstoffen werden vroeger over duizenden kilometers afstand vervoerd. Waarvoor werden ze geruild en waarom sloten mensen in West-Azië zich aan bij deze handelsnetwerken?

Leiden University is an internationally oriented Dutch university, where we communicate with one another in both Dutch and English. To ensure that we handle this bilingual convention with due care, the Executive Board has established a set of guidelines on language policy. These guidelines set out the…

Leiden University Libraries (UBL) has been able to acquire an exceptional two-volume Miao album. The acquisition was made possible by the Rombouts Fund for Chinese collections. The extraordinarily well-preserved work contains 70 full-page paintings on silk, depicting non-Chinese peoples in the area…

The Hague Journal of Diplomacy is pleased to announce the winner of the 2023 HJD Book Award: Ascending Order: Rising Powers and the Politics of Status in International Institutions, by Rohan Mukherjee, Cambridge: Cambridge University Press, 2022.

The Global Strategy for Plant Conservation, a world-wide effort by the botanist and plant protection community, is making considerable progress in protecting plant diversity around the world, a new report says. The Hortus botanicus Leiden is one of the partners of the project.

Roman philosopher and orator Marcus Tullius Cicero is still used as an intellectual example by politicians and speech writers today. But, he did not go unchallenged in his own day, as a statesman in particular. Classicist Leanne Jansen conducted research into how classical historians judged Cicero’s…

Gabrielle van den Berg became the Academic Director of LIAS on 1 September 2025: “I hope I’ll be able to make a real difference.”

The Greek alphabet dates back to the eighth century BC. At least, that is what science assumed for a long time. Associate Professor Willemijn Waal is going to use a Vici grant to investigate whether the Greek alphabet may be centuries older, and was initially written only on perishable materials.

It is mostly rainfall and soil acidity that determine which microbes survive in a particular habitat and which do not. This knowledge is important for maintaining biodiversity. Leiden environmentalists contributed to the research. Publication in Nature on 1 August.

In a packed Stadsgehoorzaal, philosopher and Member of the Senate Daan Roovers delivered the 54th Huizinga Lecture. It was a passionate plea for a form of politics thatt is not only about winning, but also about talking and playing.

Eighty years after its founding, the United Nations faces major challenges. Once established to prevent global conflict, the organisation now operates amid geopolitical tensions, prolonged wars and growing criticism. Joris Larik discusses this in Forbes.

Yuvraj Birdja converted CO2 to formic acid to store energy in a sustainable way, with different catalysts. With this new knowledge, scientists are a step closer in industrially converting CO2 to chemicals and fuels. This can help reduce CO2 emission and the greenhouse effect.

Primate and test specialist Jane Goodall paid a visit to the Hortus botanicus in Leiden on 21 May for a ‘meet & greet’. Goodall, a world-famous researcher and nature protectionist, was presented with an orchid named after her and used the occasion to draw attention to the issue of plant protection.…

The use of fire can tell us a lot about human evolution. Archaeologist Femke Reidsma has developed a more accurate technique to identify how our ancestors used fire. Existing archaeological studies will need to be revised. Reidsma’s study was published in Nature Scientific Reports on 2 November.

Marc Koper, Professor of Catalysis and Surface Chemistry, has been elected as President Elect of the International Society of Electrochemistry (ISE). He will be President Elect for two years starting January 2019, followed by two years as President and two years as Immediate Past President.

Recently, Dr Gül Aktürk Hauser took up the position as Assistant Professor at the department of Heritage and Society. Originally an architect, she got caught up in the study of historical vernacular buildings in northeastern Turkey. Now her focus lies on the impact of climate change on cultural heri…

In September 2025 Leiden University hosted a greatly successful academic conference

In a new video series for the Corpus Kids Academy, researchers Marieke Bos and Janna Marie Bas-Hoogendam explain how the adolescent brain develops and how anxiety works. 'We wanted to present the information simply, while still preserving the complexity.'

People prefer to reward cooperative behaviour than punish egotistical behaviour, even if this egotism has a negative effect on others. This is the conclusion of organisational psychologist Welmer Molenmaker in his research on the willingness to reward or punish cooperative behaviour. PhD defence 19…

More than a thousand 17th- and 18th-century Dutch letters from seized ships are now available online. The letters are a gold mine for researchers wanting to study the everyday language used by men and women during this period.