The Old Obervatory Leiden is one of the partners of the local learning ecosystem ‘Verwonder om de Hoek’, an educational platform from Leiden that lets school children and families wonder about the world of Nature, Science, Technology and Sustainability. On this page you will find the educational programmes…

Leiden University's Citizen Science Lab supports and organizes initiatives where anyone can get started with scientific data and research. This is how we enrich research with insights from the community, make science accessible to all, and tackle important local issues together.

The quest for Trustworthy AI is high on both the political and the research agenda, and it actually constitutes TAILOR’s first research objective (H1) of developing the foundations for Trustworthy AI. It is concerned with designing and developing AI systems that incorporate the safeguards that make…

Lyndsey Housden teaches in the Interactive/Media/Design department at the Royal Academy of Art (KABK), The Hague. She is a researcher and artist, working with interactive and haptic installations, spatial design and interdisciplinary projects for exhibitions, theatre, and festivals.

Cities, Migration and Global Interdependence focuses on inequality in all its forms. You will approach this subject from an intersectional perspective. Since categories of power and identity are always intertwined, the courses in the programme reflect this reality. This means you will study how societies…

During the Europe 1000-1800 programme you will learn from inspired academics. Find out more about the programme below.

The LAK offers a large variety of visual art courses. Our courses are offered for beginners as well as more advanced students. In the lessons everybody will be guided according to their experience. Quality is of paramount importance to LAK and this is reflected in our professional and enthusiastic…

Lecture

Team Global History of Knowledge.

Leiden Institute of Advanced Computer Science (LIACS)

Ijeoma Uchegbu is Professor of Pharmacy at University College London (UCL). As a female scientist of colour, she was initially reluctant to play an active role in the university’s diversity policy. Until, that is, she had a radical change of heart: ‘I knew it; I had to become an evangelist.'

The centre of our Galaxy is so dark and dense that it is almost impossible to observe what is inside. By catching the rare hypervelocity stars that are ejected from it, Elena Maria Rossi aims to unveil the mysterious environment around the supermassive black hole inside. But she’ll also be solving another…

The Caribbean as we know it today is fundamentally a product of colonial activity and globalisation. Practically everyone that inhabits the Caribbean has ancestors from different continents due to colonial activity, which profoundly affects the area to this day. Caribbean writers, both in the Caribbean…

Salt crystals, a nano-sized golf stick and molten glass. The LION Image Award competition of 2023 yielded a lot of beautiful images once again. But in the end, only one can be the winner.

After almost twenty years the record for the most distant radio galaxy has been broken. A team of astronomers led by Leiden PhD candidate Aayush Saxena has discovered a radio galaxy from the time when the universe was just one billion years old. The galaxy is at a distance of 12 billion light years…

The Ben Pauw thesis prize for the best Master’s thesis in the area of Public Affairs was won by student Esther Mangelsdorf of the Institute of Public Administration.

Theoretical physicists Kevin Grosvenor and Sam Young have won Marie Curie grants for research projects at LION/Lorentz Institute.

Materials that are built up from individual granules exhibit a special phenomenon called ‘jamming’. With research into the nature of this phenomenon, a team of scientists led by Leiden physicist Prof. Martin van Hecke has made it to the cover of the prominent journal Physical Review Letters. ‘Jammed…

The Mapping Slavery project will place markers that tell the story of Leiden’s slavery past. Why is this important and what does it mean for today’s society? Before the markers are placed, a panel came together on 24 March to discuss the slavery past of not only the city but the University too.

Afgelopen zondagavond, 22 augustus, is na een kort ziekbed onze zeer gewaardeerde collega professor Wim Jiskoot, Hoogleraar Technologie van toediening van medicijnen, overleden. Wim werd twee weken geleden onverwachts geconfronteerd met het feit dat hij een vergevorderd stadium van kanker had, waarvoor…

In the past months the COVID-19 pandemic has made the world become more reliant on digital communication and social media. As virtual spectators of diplomacy during these times, it is not difficult to notice that diplomacy is more colourful nowadays.

PhD defence

By a stroke of luck, a team led by Dutch PhD student Martijn Oei has discovered a radio galaxy of at least 16 million lightyears long. The pair of plasma plumes is the largest structure made by a galaxy known thus far. The finding disproves some long-kept hypotheses about the growth of radio galaxie…

Samineh Bagheri is the first PhD candidate to defend her thesis fully remotely.

Astronomer Alexander Mushtukov, currently working at the University of Amsterdam, received a Veni grant of 250,000 euro’s which he will execute in Leiden. Supervised by Simon Portegies Zwart, Mushtukov will use advanced simulations to understand the unknown physics in extremely bright neutron stars.

Most of us know that Venice, Genoa, and Florence were major Mediterranean powers during the Renaissance. But did you know that in terms of trade and sea power, Barcelona was probably more powerful than two of these three?

Due to an exception in the law, domestic workers employed by private persons cannot automatially benefit from social security schemes. Home help Carol Kollmann did not agree with this and took her case to court.

Astronomers from Leiden Observatory have developed a new method to find distant quasars and better distinguish them from other objects that look like them, using machine learning techniques. The research result has been accepted for publication in the journal Astronomy & Astrophysics. It is the last…

Over a seven year period an international team of scientists has mapped more than a quarter of the northern sky using the Low Frequency Array (LOFAR), a pan-European radio telescope. From Leiden, Astronomer Timothy Shimwell and Huub Röttgering, among others, are involved. It reveals an astonishingly…

An international congress, lectures and a new book series and magazine. It’s a hot topic at the moment that attracts broad public interest. Researchers, from historians to legal experts, are bringing together their expertise in the Leiden Slavery Studies Association.

Media all around the world reported about it: the most detailed images yet seen of galaxies, shot by radio telescope LOFAR. The international team behind these amazing results were led by Leah Morabito at Durham University and included three talented Leiden astronomers.

A safe place to discuss burning social issues such as racism with each other. The student workspace Space to Talk About Race and the Afro Student Association both meet this need and also organise many other activities. Three board members explain why this is necessary.

In the next few days several compositions by Aart Strootman (guitarist, instrument builder, composer, teacher and ACPA PhD) will premiere at Festival Classique and Festival Gaudeamus.

The British Academy appointed Eveline Crone as a Corresponding Fellow to recognise her contribution to the SHAPE themes - the social sciences, humanities and the arts. The British Academy is the national academy for social sciences and humanities in the United Kingdom. Besides Crone, 83 other Fellows…

The project has been done under the supervision of Dr. Diego Garlaschelli and Dr. Frank Takes. The title of the presentation is: ''Complex Network Analysis of Darknet Black Market Forum Structure.

Friso Selten recently started a PhD position that is part of the SAILS program. This PhD project is a collaboration between FGGA, LIACS, and eLaw, and is supervised by Bram Klievink (FGGA), Joost Broekens (LIACS), and Francien Deschene (eLaw). In the project Friso will investigate the influence of artificial…

Abstract sounds that draw visitors upstairs, an 'escape womb' and a Christmas game that gets you thinking about the limits of creating our own happiness. Master's students of Media Technology created a special exhibition on the theme of 'self', in the Old School art centre in the Pieterskerkhof in…

A pop-up exhibition ‘All the Einsteins’ will open at Rijsmuseum Boerhaave on 29 May 2019. This is the first time that the museum will present its entire collection of handwritten letters and documents by Einstein. The exhibition marks, among others, the publication of the first photo of a black hole…

The death of George Floyd has led to fierce protests against police violence in the United States and beyond. What effects are we seeing in our University community? We discussed the situation with Diversity Officer Aya Ezawa.

Besides being a linguist, George Saad is also a photography fanatic. He shares his most beautiful and telling pictures, shot during his field research in Eastern Indonesia.

What moral concerns do people have when they encounter the financial sector in their everyday life? Erik Bähre's ERC consolidator project 'Moralising Misfortune: A comparative anthropology of commercial insurance’ aims to find out. In collaboration with Brechtje Boeke, five short documentaries from…

For the first time, scientists have traced back a high-energy neutrino to its source in space. It was produced by a so-called blazar—a supermassive black hole. Researchers from neutrino detector IceCube report this in Science. ‘This is a milestone for neutrino science,’ says physicist Dorothea Samtleben…

‘Culture change takes time,’ said Vice-Rector Hester Bijl at the closing panel of the University’s Diversity Symposium on 26 January. She talked about the road to a diverse and inclusive university. The symposium provided plenty of concrete examples of small steps that can already be taken.

Cultural Anthropologist Jasmijn Rana argues in the opinion piece ''Black', 'white', or 'of colour' is not about purity' in the Leiden University Weekly Mare to use uneasiness about being reduced to skin colour and gender to fight racism.

Textbooks in the Netherlands contain significantly fewer female than male characters and relatively few characters from a non-Western background. They also contain implicit stereotyping. This is what Judi Mesman, Professor of the Interdisciplinary Study of Societal Challenges at Leiden University, has…

The jury of the Africa Thesis Award is delighted to announce that the 2024 prize has been awarded to Baleseng Maeneche, a graduate of the Faculty of Arts & Humanities at the University of the Western Cape, for her thesis 'Media Representations of Male Perpetrators of Violence against Women and Children:…

On the 13th of December 2017 Ana Lucia Araujo came to Leiden to discuss the long history of the demand for reparations for slavery. In the basement of the Van Stockum bookstore she presented her recent book on this issue and discussed the research project with Karwan Fatah-Black.

From the discovery of exoplanets to the hunt for extraterrestrial life. At the Astronomy Gala on 17 December in the concert hall in Leiden, astronomers looked back, but above all ahead. With King Willem-Alexander as guest of honour.

Many traces of the city's slavery history can be found in Leiden but the public isn't always aware of them. The initiators of 'Mapping Slavery in Leiden' want to change this with guided tours and street markers. Representatives of the University and other Leiden institutions will be giving the first…

Karwan Fatah-Black of Leiden University, an expert in the area of Dutch colonial history, wrote the text for a slavery remembrance memorial that was unveiled on 1 July in Hoofddorp. The official abolition of slavery was proclaimed 155 years ago on 1 July 1863. On Sunday 1 July 2018 the national remembrance…