Zou jij wel eens willen zien hoe het belangrijkste gebouw van onze Science Campus op het Leiden Bio Science Park tot stand komt? Op de Dag van de Bouw, op zaterdag 17 juni, kan dat!

Alessandra Silvestri has been appointed professor in Theoretical Physics in the area of Cosmology. For her this promotion in Leiden is the icing on the cake. ‘But there are many more boxes I would like to tick.’

An international team of researchers led by astronomers from Leiden University (the Netherlands) has produced the first sharp radio maps of the universe at low frequencies. Thanks to a new calibration technique, they bypassed the disturbances of the Earth's ionosphere. They used the new method to study…

Jasper Knoester is the dean of the Faculty of Science. How is he doing? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

As of this month, Kim Bonger has been appointed Professor of Chemical Biology. As a first-generation academic, she’s especially grateful. ‘I wasn’t exactly a top student at school. I never could’ve imagined this.’

You may already have seen them in the larger restaurants in the teaching buildings: simple yet tasty hagelslag or cheese sandwiches. Students asked and the University Services Department (UFB) has delivered with its new Pure Basic line. Now there is a lunch for every budget.

In het Leids Universitair Medisch Centrum wordt gewerkt aan de ontwikkeling van een nieuw malariavaccin dat effectiever is dan de huidige vaccins.

A team of European astronomers has found a silicate-based weather system on a cloudy gas planet around the star WASP-107. It is the first time astronomers have found silicate clouds and rain. They also conclude that temperatures deeper in the atmosphere are rising rapidly. 'The presence of clouds has…

The Schoof cabinet has presented its budget. As expected, higher education is facing severe cuts. In the coming period, the Executive Board will regularly look at the consequences of what it deems an irresponsible policy.

They hurtle along at over a thousand kilometres per second: the fastest stars in the Milky Way. PhD candidate Fraser Evans conducted research into these elusive hypervelocity stars and discovered that they have a lot to teach us, about black holes and supernovae, for example.

From telescopes to science fiction: in just one semester, students with no background in physics or astronomy get to explore the universe. The first group of students started last month in the new minor Our Universe.

For her bachelor’s thesis, Molecular Science and Technology student Madouc Bergers synthesized her own molecule that can inhibit the breakdown of sugars. Although most students do not even manage to make one building block, Madouc made three. Partly because of this, she has been nominated for the Science…

After many years of preparations, CERN has approved a groundbreaking new experiment: the Search for Hidden Particles (SHiP). Physicist Alexey Boyarsky was involved from the start. ‘We know there is physics that’s missing and we aim to find it.’

Opening van het Quantum Delta NL (QDNL) Talent & Learning Centre (TLC) Leiden-Delft.

Physicist Milan Allan will build an instrument that will bring superconductivity research further. He has been awarded an ERC Consolidator Grant of 2 million euros over the next five years. With his PairNoise programme he aims to detect paired electrons as they occur just above the temperature at which…

Scientific Director of the Leiden Academic Centre for Drug Research (LACDR) Hubertus Irth: ‘We test substances and look for new concepts for treating disease.’

Matthijs van Leeuwen and Frank Takes have been appointed directors of education at LIACS as of 1 September. They will succeed Marcello Bonsangue, who has held the position since 2016. Van Leeuwen and Takes have been appointed for a period of four years.

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

Is polder rice a feasible circular alternative for cows on peatland? A pilot experiment started this week. On May 22nd, researchers from Leiden University and Wageningen University & Research (WUR) planted roughly 3,000 rice plants on the Polderlab near Leiden. The researchers want to test rice as a…

A small cat with a big personality has captured the hearts of students and staff at the Faculty of Science. The black-and-white Bobby even has his own Instagram fan account. Who are the people behind Bobby ‘the astrocat’? ‘He helps connecting people on campus.’

On Architecture Day, residents of The Hague had the chance to take a look inside Spui Campus.

ICT, Security

An impact factor of 3.2 in the Web of Science journal index. And in the first 10% of Elsevier's Scopus index. The International Journal of Multimedia Information Retrieval (IJMIR), founded at the Leiden Institute of Advanced Computer Science (LIACS), has become one of the most important multimedia j…

Leiden physicist Anne Meeussen has been nominated for the title of New Scientist Science Talent. She will be up against 14 young scientists from other Dutch and Belgian universities. The polls are already open!

After nearly five years as President of the Executive Board, Annetje Ottow will be stepping down from the role as of 1 September. During her time as President, she helped shape the university’s strategic direction, strengthening its regional, European and international profile. Sustainability, and dignity…

Social

Updated walking instructions, and refreshed texts and questions. After six years, the Leiden math trail has been revamped. From high school students to mathematicians: everyone can walk the route to their heart's content again.

Koenraad Schalm will be the new programme director of the Physics master starting 1 November. He has been appointed for a period of four years. Schalm succeeds Ana Achúcarro who has held the position since 2021.

Marc Koper, Professor of Catalysis and surface chemistry, has been awarded the EuChemS Gold Medal 2026. The prize is awarded every two years and recognises outstanding achievements in the field of chemistry in Europe.

Prof Harold Linnartz has been reappointed Director of Education of the bachelor and master programmes of Astronomy. The appointment is for a period of four years, until 1 October 2026.

Martina Vijver talks about the impact of pesticides on nature in many Dutch media outlets. This news is now also covered internationally. In Chemical & Engineering News, Vijver argues periodical reassessments of pesticides are crucial to prevent unexpected harm to nature.

From 1 October, two new Directors of Education will start at the Institute of Biology Leiden (IBL). Dennis Claessen as the new director for the master's programme of Biology and Marcel Schaaf as director for the Biology bachelor's programme. Claessen and Schaaf have been appointed for a period of four…

Marcello Bonsangue will be the new Scientific Director of the Leiden Institute of Advanced Computer Science (LIACS) from January 2024. Bonsangue has been appointed for four years. He succeeds Aske Plaat, who led the institute for eight years.

In studies, it is an old acquaintance, the p-value. But mathematician Peter Grünwald wants to get rid of it. The p-value is too susceptible to fraud and can lead to a distorted picture of reality and chance. That is why he wants to work with the e-value. De Volkskrant spoke to him about it.

Social

Education

An article about our Mathematical Institute (MI) appeared on 23 June in the University newspaper Mare.

Facility

As a bachelor’s student at Leiden University, you will be issued with binding study advice (BSA). This means you must obtain sufficient study credits in the first year of your bachelor’s programme to be permitted to continue studying. Some programmes also have additional requirements.

You’re about to start your Astronomy Pre-Master's programme in Leiden. Make sure you are well prepared and get your studies off to a good start!

Do you have a question concerning the Bachelor Honours Classes (BHC’s)? You can find the answers to the most Frequently Asked Questions below.

IncLUsion is a student initiative that enables refugees to follow courses at Leiden University. This page is for IncLUsion students who have been accepted into the programme, and Leiden University students who are (or want to become) an IncLUsion buddy.

Do you have a question concerning the Honours College? You can find the answers to the Frequently Asked Questions below.

An impressive 22 research projects by Leiden researchers have been awarded Veni funding from the Dutch Research Council (NWO).

No procession of professors, just a handful of people in the church and snowdrifts outside Leiden’s Pieterskerk: 8 February 2021 was no ordinary Dies Natalis. Carel Stolker transferred the rectorate to Hester Bijl, and Annetje Ottow became the new President of the Executive Board. With an honorary doctorate…

Leiden University is announcing its approach for sensitive collaboration with external partners. This has been prompted by the ongoing, troubling situation in the Middle East and the recent advice from the Committee on Human Rights and Conflict Areas regarding current collaboration with Israeli part…

‘We could share our knowledge more with others and apply it more widely,’ said Annetje Ottow, President of the Executive Board, while presenting the new Strategic Plan on the University’s 447th Dies Natalis. The new Strategic Plan therefore focuses on innovating and connecting, among disciplines and…

The first full-colour images of the cosmos from ESA's space telescope Euclid were presented today. Never before has a telescope been able to take such crystal-clear astronomical images of such a large part of the sky and so far into the deep universe. The five images illustrate Euclid's full potential;…

The Dutch high-tech industry urgently needs specialised technicians. Leiden University aims to help meet this demand with its new specialisation in High-Tech Innovation (HTI), which brings together chemistry, physics, mathematics, computer science, astronomy and project management.

An extra-long procession with musical accompaniment will mark the beginning of the university’s 450th birthday celebrations on 7 February.