Many protoplanetary discs in which new planets are formed are much smaller than thought. Using the Atacama Large Millimeter/submillimeter Array (ALMA) scientists of the Leiden Observatory looked at 73 protoplanetary discs in the Lupus region.

It’s Circular Economy Week, from 1 to 6 February. But what is it that makes an economy circular? And just how circular is our university? René Kleijn, lecturer on the honours class Circular Economy: from challenge to opportunity, explains.

Racism and discrimination come in many different shapes and forms – in the Netherlands too. Verbal attacks, stereotypes and violence: some people are confronted with these on a daily basis. A group that is often not included in research and the debate on racism is people of Asian descent. The Diversity…

Many Leiden University staff members have already benefited from Una Europa, the alliance of eleven leading European universities: they have received funding to bring an idea to life or participated in an exchange with European colleagues. On 22 October there will be a meet-up for everyone at Leiden…

Lichens enthusiast Sander van Zon was eager to use his knowledge for his internship. He wrote an excellent thesis on lichens’ biodiversity in the city, of which his first scientific publication will appear soon. With it, he is nominated for the Leiden Science Young Talent Award 2022.

Commercial MRI systems cost millions of euros to purchase and require highly trained technicians to operate. Prof. Andrew Webb works on accessible MRI techniques that offer new opportunities in both developed and developing countries. Webb is a professor at the Radiology Department of the LUMC and,…

The United Nations fall short in their recently published guide to address hunger without surpassing the 1.5-degree climate threshold. This initial version is a significant step, according to a group of researchers including those of Leiden University. However, they miss an essential topic: reducing…

As an academic, it’s not easy to communicate your research to society – and in a language people will understand. With its Outreach Grant Symposium, Young Academy Leiden (YAL) wants to support and inspire a new generation of ‘outreachers’.

From 1 November we will have a new mobility policy and will track our commuting with an app. The new regulation is more sustainable and will also save us time and effort, say the union reps from the Local Consultative Body.

An ORCID iD is a unique code that identifies you as a scientist in a reliable and consistent way, much like the social security number in a passport. DOI does the same but for a scientific publication instead of a person. DOI and ORCID iD are examples of persistent identifiers.

If you work at Leiden University, you automatically accrue pension with the Algemeen Burgerlijk Pensioenfonds (ABP). You can supplement your pension with ABP. In addition to a retirement pension, ABP also offers surviving dependents insurance and a work disability pension. From 1 January 2027, the…

For your commuting days, you can apply for a supplementary allowance in the Terms of Employment Individual Choices Model. You will not be reimbursed in full for your commuting expenses, but you will benefit from a tax benefit.

Do you want access to your mailbox via your webmail? Do you want to share a single e-mail address with a number of colleagues? Read about the different options for email.

Much of Leiden University’s income comes from the government and the tuition fee (first income stream). Each year the Executive Board distributes this income among the faculties and institutes. For the sake of transparency, the University applies the First Income Stream Allocation Model. Alongside being…

Leiden University offers students access to the platform Gezonde Boel. The e-modules of Gezonde Boel are an easy way for students to work on their mental health.

Organisation

If you’re experiencing too much work pressure, talk about it to your colleagues and your manager. This is the only way we can jointly work towards a solution. How do you raise the issue of work pressure? And what can you do to prevent work pressure from getting out of hand?

Astronomers who simulate galaxies do not always get the same result, even when they start from identical conditions. New research from Leiden University shows that this is not a flaw, but a consequence of how galaxies behave — and how they are modelled.

Alongside central government funds, the tuition fee is an important source of University income. The tuition fee also counts as the first stream of income.

Our communication strategy emphasises the achievements of Leiden University researchers and students and supports our mission and core values.

Welcome to the Graduate School of the Faculty of Humanities. On this website you'll find a wide range of information you might need as a PhD candidate. If you have any further questions, please contact the Graduate School Office.

Ig Nobel

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

Do you have to give a presentation for the first time, or do you need support creating a good presentation? We have listed a few tips below that will help you get your story across.

Locking your screen before leaving your desk: it’s so easy to do but we often forget. This quick action protects both you and the university. Do you always lock your screen when you leave to get a coffee, walk to the printer or chat with a colleague in the corridor?

Career development, Communication, Outreach

publicatietools

We will gradually fill this page with more information. In the 2025-2026 academic year, a pilot will be running in which non-registered students will be allowed to participate 45 minutes after the start time of the exam, provided there are exam seats available.

Workshop

For 125 years, Leiden University and the Leiden Instrument Makers School (LiS) have worked together on science and technology. This partnership is more important than ever today, as demand for skilled high tech professionals is growing fast: by 2030, an additional 40,000 people will be needed.

Jasper Knoester is the dean of the Faculty of Science. How is he doing, what exactly does he do and what does his day look like? In each newsletter, Jasper gives an insight into his life. On 7 May, he has a varied programme ahead of him.

Leiden University transitioned to a new, future-proof software system: BAS InSite. This system replaces SAP Self Service and handle personnel, financial, and administrative matters currently managed through the Serviceplein.

Here you will find questions and answers about Vidatum.

Leiden University appreciates it if you explain your work to a wider audience every now and then. We encourage media contributions and have people and tools to help you with this.

Our vision on lifelong development

Explanation of improvements and additions to templates and blocks.

Depending on its purpose, assessment can support ongoing learning, provide final evaluations, or help students reflect on their own progress.

When you retire, your income is almost certain to be lower than what you are used to. You can take measures now to supplement your pension later.

Each month, we publish an article showcasing how social science research and education contribute to solving societal challenges. Researchers, lecturers, students, and societal partners work together to make knowledge accessible and to make a difference. Through open science and engaged education, we…

Personal development, Transferable skills

Lecture