A team of Leiden astronomers used the latest set of data from ESA’s Gaia mission to look for high-velocity stars being kicked out of the Milky Way, but were surprised to find stars instead sprinting inwards – perhaps from another galaxy.

At LUCIS we offer a varied programme of scholarly meetings (conferences, workshops) which reflect our multidisciplinary and comparative view on Islam and Muslim societies in past and present.

Situated on the west coast of modern Turkey, the site of Ephesus is one of the largest excavations in Turkey and one of the most visited tourist attractions. Only one tenth of the city has been exposed until now although the Austrian Archaeological Institute in Vienna (ÖAI) has been excavating here…

What is better for waste recycling: a plastic, paper or ceramic cup? A bio-based or fossil-based coating? Waste sorting at the source or at a recycling facility? Ask ten experts and you will get ten different opinions. We can all agree on one thing: doing nothing is not an option. Thus, Leiden University…

LIACS organizes different lectures and colloquia, like the Florence Nightingale Colloquium, LCN2 Seminars, the Ada Lovelace Distinguished Lecture Series and the OTICS Colloquium.

The relationship between States and foreign corporations are regulated by international economic law and international investment law in particular. Any disputes between States and foreign corporations must therefore also be solved by reference to this body of public international law, for example when…

This project explores the decline of shifting cultivation in Northeast India. What is the impact on society of people’s deepening engagement with markets and the state?

Large telescopes can look so deep into the Universe that they can also look back billions of years in time. From 2018, the successor of the Hubble Space Telescope, the James Webb Space Telescope, will be able to see the period just after the Big Bang, when the first stars and galaxies formed. Astronomers…

Regulating Relations: Controlling Sex and Marriage

The We Are Science Week, inspiring lectures, and enjoyable gatherings. This year, we frequently came together to inspire and connect with one another. Our biggest event took place at the start of the academic year in September: the official opening of our new Gorlaeus building.

Exponential population growth and rapid urbanisation are prompting the development of gigantic African metropolises that must be supplied with resources such as food, water and energy. This creates economic opportunities, drives migration and presents political challenges. Researchers from Leiden combine…

Promotor: P.M. Brakefield

Here we provide information on the ways through which the Institute of Psychology aims to foster responsible scholarship practices: conducting research with integrity, and meeting the needs for better quality and efficiency in psychological science.

From the largest numbers to the smallest molecules and from the oldest galaxies up to the latest algorithms, explore our standout discoveries and most inspiring collaborations from the past year!

This study aims to answer two main research questions: (1) What are the main predictors of work ability in employees with migraine? (2) Can we optimise work ability in employees with migraine using a web-based intervention focused on these relevant predictors?

Dr Kim Duistermaat (NVIC) en Niels Groot (TU Delft)

Doctoral research on the history of the critical visitor and their efforts at founding alternative archives including LGBT+-focused, feminist, disability and digitizing projects, resulting in a traveling exhibition on findings (with audio-guides), popular and scholarly article, and a dissertation.

In the master’s programme in Archaeology, you can follow courses on the archaeology of the Mediterranean, deepening your understanding of this fascinating region. From the many faces of ‘Hellenism’ to the early rise of the Roman Republic, to the voyages of European Crusaders in medieval times. The archaeology…

This one-year master's programme explores the political and cultural evolution of the world from a long-term, and broad comparative perspective. This creates a better understanding of the entangled nature of today's society.

Master International Relations specialisation Culture and Politics.

The minor ‘(Inter)national Tax Planning and Policy’ offers a programme for career-oriented students, combining a strong focus on skills development with state-of-the-art knowledge of the (inter)national tax arena in which the interests of stakeholders – businesses, citizens, NGO’s, governments and states…

The LGBT+ Network offers a platform for all lesbian, gay, bisexual, transgender and queer staff and students at Leiden University.

Conference

A European team of astronomers, led by Leiden-based researcher Konstantinos Migkas, has uncovered a large filament — a long, thread-like structure — of hot gas connecting four clusters of galaxies. This filament is made up of what scientists call the warm-hot intergalactic medium.

A research team from Radboud University and Leiden University, led by senior researchers Prof. Masja van Meeteren (RU/UL), Dr Paul Mutsaers (RU) and Prof. Maartje van der Woude (UL), will examine what national and international research has really found about ethnic profiling by the police.

Assistant professor Stephanie Noach has won the Dissertation Prize of the Praemium Erasmianum Foundation. She is receiving this prestigious prize for her research on darkness in contemporary art from Latin America and the Caribbean.

An international collaboration of astronomers is organising a special online lecture series for physicists and astronomers in Cuba. The reason for this is the tightening of measures against this country, as a result of which researchers can hardly get any information from outside the island. ‘Everyone…

Spirits play a important role in post-colonial and minority literature as a means of processing black pages from history, according to literary scientist Chia-Sui Lee. PhD defence 11 January.

Bachelor's students Kirsten S. Barink, Milène van der Geest, Claire van den Helder and Pim L. Ruhe are granted the Speckmann award for their Fieldwork NL report 'If it would have been a colour it would be pitch-black', a report on people suffering from the phenomenon of 'Electrohypersensitivity'.

Bright explosions appear all over the radio and gravitational-wave sky. This dynamic side of the universe which has just been discovered, can be mapped by self-learning machines. The National Science Agenda granted 5 million euro’s to CORTEX, the Center for Optimal, Real-Time Machine Studies of the…

The European Space Agency (ESA) has approved the proposal for gravitational wave detector LISA. The launch for the space detector is planned in 2034. ‘A dream that comes true,’ says astronomer Elena Maria Rossi.

It is still not easy to ‘come out’ about your sexual orientation or gender identity. On Coming Out Day (11 October), the issue was the focus of global attention. This year, instead of the traditional rainbow flag, the ‘progress pride flag’ flew above University buildings.

So much has happened this year! 2023 was an eventful year in which several wars raged about which our experts could offer interpretation. It was also the year in which the government made apologies for the slavery past. Leiden humanities scholars were at the forefront of this with their research on…

On the 28th of January 2019 Beryl ter Haar gave an introductory lecture on EU labour law concerning collective redundancies and working time. Both are core issues of this year's case for the Hugo Sinzheimer Moot Court Competition.

NWO has awarded a €392k Projectruimte grant to physicists Koenraad Schalm and Jan Zaanen to study ‘strange metals’. These materials are alleged to follow the bizarre laws of quantum mechanics even at everyday length scales.

Eight scientists from Leiden University have been awarded a grant by the Dutch Research Council (NWO). With this Vidi funding, the researchers can set up an innovative line of research and further expand their own research group over the next five years.

After a gestation period lasting twelve years, on 13 March the artwork by Adam Uriel adorning the spiral staircase in the Academy Building was finally unveiled. It is a contemporary variation on the drawings by Victor de Stuers, dating from 1865, that start at the lower end of the staircase.

When Dutch citizens request information under the Open Government Act (Woo), third parties can ask the public authority to withhold certain information. Leiden research reveals that the position of these third parties is unclear and accessing information is a difficult process.

ESA’s space telescope Gaia, which maps the Milky Way, completes its active phase of scanning the sky on 15 January. Over the past decade, Gaia has made more than three trillion observations of about two billion stars and other cosmic objects. ‘Gaia is already the discovery machine of the decade,’ Leiden…

Human cells are protecting their proteins from unfolding and aggregating. That's what biophysicist Alireza Mashaghi and his team discovered after seven years of in-depth research into the folding mechanisms of proteins. With an unprecedented approach, the team was able to study the folding of a single…

Met groot plezier heeft de Universiteit Leiden van 1 tot 4 november het X Congreso Internacional de la Asociación de Hispanistas del Benelux (AHBx) georganiseerd, met het thema Transhispanismos: contactos y contagios (Transhispanismes: contact en besmetting). De AHBx is een platform in de Benelux dat…

What causes depression in a child and how can they get over it? Leiden Professor of Psychology Bernet Elzinga and behavioural scientist Carine Kielstra recently hosted a webinar on the subject of depression in teenagers. The level of interest was overwhelming.

Various consortia in which Leiden University is represented are beginning interdisciplinary research, which will bring scientific and societal breakthroughs within reach. Knowledge institutions, government and private parties are working closely together on the projects.

In a speech on Keti Koti the Dutch king, Willem-Alexander, apologised on behalf of the royal family for the Netherlands’ historical role in slavery. What is the significance of this?

On 1 July – Keti Koti, in the year ahead, our university community will be able to reflect extensively on the history of slavery by engaging in research, education and many other activities.

How should we address our colonial heritage? And how digital and accessible are our collections? Outgoing State Secretary Fleur Gräper spoke with researchers and heritage specialists about this on 25 January.

Three Dutch-Belgian telescopes have started operating at the ESO La Silla Observatory in Chile. This so-called BlackGEM array will scan the southern sky to hunt for cosmic events that produce gravitational waves, such as mergers of neutron stars and black holes. Leiden astronomer Rudolf le Poole is…

Theoretical physicist Stephen Hawking (76) passed away on 14 March at his home in Cambridge, having been a long-term sufferer of the muscular disease ALS. A number of Leiden scientists look back at the life and scientific career of this world-famous physicist. 'He was very approachable and extremely…

Leiden University Libraries holds an internationally unique collection of unofficial poetry from China. Produced outside the System over the last fifty years or so, this poetry is hugely influential yet hard to find beyond the informal networks through which it travels. To address this paradox, the…

The greatest threat to the North Korean regime is not the outside world but its own developing private market and the growing frictions at the top. This was the argument put forward by North Korean exile Jang Jin-sung in his lecture in Leiden on 18 September 2014.