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…

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.

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…

Good time management means making the optimum use of your time. You can achieve this by setting priorities, planning realistically and sticking to your plans.

To remain registered as a student of Leiden University you must meet all your tuition fee obligations. But how much tuition fee do you have to pay and how can you make payment?

Curious about what the LLP looks like in practice and how students experience the programme? Read the news items below for a look behind the scenes.

Discover what a Bachelor Honours Class looks like behind the scenes!

Education

Being on the board of a student association or organisation is a great way to gain work experience whilst having an unforgettable time with your fellow students. As a student board member, you may also be eligible for financial support.

Curious about the experiences of students in HC Science, Society & Self? Read their testimonials here and find out what makes this programme special to them! 🌐🔍

As a student, you can access a range of other software free of charge or for a reduced tariff. These include office tools, cloud storage, anti-virus software and much more.

Toelichting op de terminologie m.b.t. studeren met een beperking

A part-time job can help to boost your income during your studies. If you do an internship, this can also have financial consequences. Find out more.

As a student, you will need to take a number of costs into account. Find out here what you need to consider.

Are you curious about other disciplines and would you like to develop yourself more broadly alongside your bachelor studies? Discover the Honours College!

Taking exams well is a skill you can learn. It requires good preparation and the right strategy. An open-book exam requires a very different approach to a multiple-choice exam. The tips below will come in handy when revising and during the exam itself.

What started with a huge sheet of paper from the V&D shop grew into one of the larger men’s sub associations at Quintus. Professor Gerard van Westen looks back on his student days with a smile: they gave him far more than just drinks and late nights.

Do you want to be optimally prepared for your career? On the Leiden University Career Zone you can find everything you need to start working towards your future career. You can also contact the university’s Career Services for advice on career preparations and choices during your studies.

In the centre of Leiden there are thirteen museums, all within walking distance of each other. Leiden is also home to the oldest theatre in the Netherlands, the Leidse Schouwburg. The Hague on the other hand has no less than thirty museums in and around the city, as well as a wealth of theatres. So…

As a student, you may be eligible for Dutch student finance if you are a Dutch national or meet other specific criteria. You might also be eligible for rent or healthcare benefits. Planning on studying abroad? In some cases you can also request financial support.

If you need extra assistance, guidance or facilities there are several staff members who can help. Who you should speak to depends on the nature of your situation.

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…

Not sure what your next step is in choosing your studies or planning your career? Science Career Service is here to help, from making study choices to career orientation and preparing for the labour market.

Want to build a strong set of skills for your future? As a Science student, you have free access to plenty of support and resources.

Arts and leisure, Arts and leisure

Study abroad: where and when?

As an international student, there are a number of matters you should take care of prior to leaving the Netherlands at the end of your studies.

Good mental health provides a strong foundation for study and work. It is important to seek help if you are not doing well. There are a range of ways in which you can work on your mental well-being. You can also turn to others for help and guidance. Take a look at the various options available.

Many students find speaking in front of their classmates and lecturers nerve-wracking. Giving a presentation can be rather stressful. But good preparation is half the battle and following the tips below can help reduce any anxiety.

Study information

Two teams of astronomers, including one from Leiden University, have discovered oxygen in the most distant known galaxy, JADES-GS-z14-0. This groundbreaking discovery shows that galaxies could form much faster in the early universe than was previously thought.

Is it possible to measure subtle oscillations caused by dark matter moving through the earth? A Dutch-American physicist team have discovered a new route toward what could be the first-ever measurement of ultralight dark matter. They suspended a microscopic magnet inside a superconducting enclosure,…

Why use Google Maps when you can also calculate your bike route based on your own data. Statistician and cyclist Alexander Dürre sees statistics in everything around him. He analyses data of soccer games and calculates the possible winners of cycling races. ‘When I have too much time, I apply statistics…

Countries that import plastic waste recycle an average of at least 63 percent of it. This is surprising, as we previously believed that the vast majority was incinerated or ended up as litter. This was discovered by PhD candidate Kai Li and his colleagues from the Institute of Environmental Sciences in…

Imagine scanning lion dung or a mouse dropping and instantly knowing exactly what and how much the animal has eaten. Thanks to new DNA techniques, this is becoming increasingly feasible. PhD student Kevin Groen tested how effective these techniques are at unraveling the diets of wild animals.

Financial support for delayed study progress via regulations on financial support for students (FOS)

Tuition fee amounts

Language is omnipresent: when you talk, app or meet in Teams. Understanding how we communicate with one another and what communication does to us is essential. In her inaugural lecture, Nivja de Jong will call to redress the balance between the sciences and the humanities.

With a healthy dose of logic and creativity, mathematics student Lance Bakker shows how computers can prove complex mathematics. His method proves intricate formulas without calculating every intermediate step. It earned him a nomination for the Leiden Science Young Talent Award 2025.

While tens of thousands of visitors dance to deafening music, a team of Leiden psychologists are trying to collect data for their research at Lowlands. How do festivalgoers experience a virtual trip? And what role do factors such as too little sleep and whether they have experience with psychedelics…

Ships are still emitting too much nitrogen oxide. Till now it has been impossible to measure this at sea, but that is set to change. Solomiia Kurchaba combined satellite data and developed algorithms to identify which ships are emitting too much. Kurchaba received her PhD on 11 June.

Violette Defourt came to Leiden for her master’s just before Covid hit. Four years later, she is leading her own biotech company, which aims to radically speed up diagnostics.

To what extent does exoplanet Proxima b resemble our Earth? And is there some form of life present? Astronomers hope to find answers to these questions with the new European Extremely Large Telescope (ELT). An NWO research grant of €18 million will allow a Dutch consortium to continue building instruments…

PhD candidate Julia Wąsala searches for greenhouse gas emissions in satellite data. As a computer scientist, she bridges the gap between computer science and space research. ‘We really can't do this research without collaboration.’

Jasper Knoester is the dean of the Faculty of Science. Normally Jasper looks back on a day in his life, but in the last newsletter of the year he does it a little differently....