Leiden University restores, modernises and builds for the users of its buildings in Leiden and The Hague. The building stock is very diverse: from historic buildings in the inner city to advanced laboratories at the Leiden Bio Science Park.

PhD defence

On this page you find an overview of tools many teachers use in their education at our faculty.

Your telephony coordinator is authorised to approve a name change or process your application for a new connection or telephone number.

Are you an international researcher working for Leiden University? Please note that you probably are legally obliged to take out health insurance. Here you will find if you need a public or a private health insurance, and how to apply for it.

Biological agents are micro-organisms such as bacteria, parasites, moulds, viruses and their waste products. This category also includes genetically modified variants (GMOs). These agents may form a risk for your health, which is why we apply a number of legal and other guidelines to prevent people…

Facility, Organisation

Leiden University offers researchers extensive facilities and support at every stage of their academic career. Here you will find more information on funding, policy, and publishing, as well as answers to questions such as: How do I arrange a PhD track? Which research grants are available? And what…

A suitcase covered with stickers from various universities, containing a quantum light source. Since April 2024, this suitcase has been visiting scientists in Europe researching single photons: the smallest possible quantity of light. The suitcase, also called ‘Q-torch’, travels from lab to lab like…

To better prepare our BSc and MSc students for their laboratory education, a team of LACDR education experts and students has recently created > 25 professional interactive video protocols. All videos and corresponding materials are freely available on the website labprep.video: https://www.labprep.…

Who should you contact to set up, move or adjust your workplace?

Regardless of whether you work at a desk or in a lab, all workplaces have their risks. As your employer, the University aims to create a healthy workplace and to limit possible health risks. Here you will find the main risks and measures that we take to reduce them.

Regardless of whether you work at a desk or in a lab, all workplaces have their risks. As your employer, the University aims to create a healthy workplace and to limit possible health risks. Here you will find the main risks and measures that we take to reduce them.

How do atoms and molecules end up forming planets? That's what astrochemist Julia Santos studied during her PhD. She discovered the dominant process behind the formation of methanol in space – a finding that surprised the entire field.

On 27 May 2025, the Executive Board decided to establish a Committee on Human Rights / Conflict Zones.

With great sadness we share the news that Prof. Harold Linnartz passed away suddenly and unexpectedly on Sunday 31 December 2023. We are all in shock, and our thoughts are with his wife and children, other family, and friends. Harold was at the heart of our institute, as a researcher, as a supervisor,…

Before patients can take a pill, scientists often spend years in the lab developing and testing a candidate drug. That often includes experiments with laboratory animals. As head of the rodent facility, Ilze Bot and her colleagues ensure that these experiments are conducted in an ethically responsible…

Continuing to improve the welfare of laboratory animals is the focus of the international conference on 12 and 13 October in Leiden. The UK animal welfare charity, the RSPCA, is organizing the two-day meeting together with Leiden University. The meeting is for researchers, animal caretakers, policy…

On May 8, all research support professionals of the Leiden Research Support Network were welcomed at the Faculty of Archaeology for an inspiring event.

Lecturers Marjo de Graauw and Malte Riemann have both received a Comenius Teaching Fellowship.

This pandemic has affected everyone and especially students who were not able to carry out their projects on the laboratories. I am an international student from Cyprus and I had the opportunity to perform my Research Project 1 completely remotely, at Rawi Ramautar’s group. Even though, this may sound…

The Faculty of Archaeology is proud to present the special edition in honor of our 25th anniversary. In 15 pages, the Dutch-language special gives an overview of the wide variety of research, fieldwork projects, and laboratories the Faculty hosts. Aimed at the general public, the special will be handed…

AI networks CLAIRE and ELLIS have jointly won the prestigious German Artificial Intelligence prize. The WELT newspaper awarded the prize, worth 100,000 euros, last week in Berlin. The AI Prize is an innovation award for pioneering achievements in AI research and development.

Educator Marjo de Graauw is awarded a Comenius education grant from the Nationaal Regieorgaan Onderwijsonderzoek (NRO) for her lab education project Stress-free laboratory education with video labs.

The end of January arrived together with welcome guests from Saxion University of Applied Sciences. As a part of their two-day-long visit to South Holland, almost 100 Saxion archaeology students visited our Faculty.

Andrew Hoffman (CADS), Mark Westmoreland (CADS) and Yasmin Ismail (CADS) have received a KIEM grant of € 10.000 for their project 'CARMA: Community Archive and Repository for Multimodal and Artistic Research'. The grant will be used to create a 'living laboratory' that helps researchers, data management…

LUC students research the Geul river’s restoration, combining sediment studies, biodiversity assessments, and policy insights for global environmental challenges

The Sustainability Monitor 2023 shows that Leiden University is taking its sustainability efforts seriously.

Neuroscientist Anne Urai has been awarded a Veni subsidy to further develop her ideas over the coming four years on how the brain makes choices. Why did she receive the award? Urai answers five questions about her Veni grant for young researchers.

Researchers at the Leiden University Medical Centre (LUMC) have managed to culture human heart muscle cells on a massive scale. This is an exceptional achievement because it is very difficult to replicate heart muscle cells outside the body. Using a special technique, the researchers have now created…

Do you recall all those drugs that were hastily proposed as potential treatments for COVID-19? In the event of a future pandemic, the goal is to offer an effective treatment more quickly and efficiently. To achieve this, a team led by Coen van Hasselt is developing a platform that can speed up the process…

James Webb life’s building blocks

Facility

Facility, Organisation, Research

The Leiden Faculty of Archaeology is an institution of international renown. Frequently, researchers from other places of learning visit the faculty to broaden and deepen their own expertise. Currently, the Laboratory for Human Osteoarchaeology is hosting two scholars from Egypt, Samar Abudahab and…

Marlien van Mever delved into the analysis of tiny samples, cerebrospinal fluid from transgenic mouse models for example. She validated methods that can now be used to study brain diseases such as migraine and epilepsy. Van Mever will receive her PhD on 14 June.

Over a period of seven years, researchers from the International Brain Laboratory mapped 279 brain regions at the cellular level. Their findings are now published in Nature, with both data and software openly shared. Cognitive neuroscientist Anne Urai: 'Any researcher with a good question can make use…