Below you will find an overview of all PRE-Classes provided by the various programmes of Leiden University. For each section, you can find a description of the content and more specific information about the requirements for participation in the Class.

Overview of Leiden publications on Central Asia. For additional publications dedicated to a single country, please go to individual pages of the researchers, which you can access through the Researchers page.

In our HANDS!Lab for Sign Languages and Deaf Studies, we run projects pertaining to sign language linguistics with a focus on Africa. In addition, we are running projects on sign language teaching, tactile signing, deaf people’s experiences with the legal system, and deaf history.

We are doing all we can to save energy at the university. Find out how you as a member of staff or student can do about energy and help reduce CO2 emissions.

In this time of globalisation, the job market offers plenty of opportunities for people with intercultural competences and a global outlook. Graduates of our International Studies programme not only have expert knowledge of a specific world region, but also possess professional and consulting skills…

High-quality education, a broad choice of bachelor’s programmes and personal support in a student city. And that’s just for starters. Leiden University offers you the ideal basis for enjoying the time of your life and a world-class career.

LED3 is the combined effort of four excellent institutes of Leiden University. Through joined hands, we are able to give rise to a more effective early drug discovery pipeline. Let us briefly introduce the institutes.

Where exactly on the surface of a catalyst do the chemical reactions occur? Until now, it has always been a challenge to identify the exact locations of these ‘active sites’. In a new article in Nature, Leiden chemists helped their international colleagues reveal new insights into this issue. Their…

The ninth Museum Night in Leiden will take place on Friday 19 May 2017. This year's theme will be 'About time'. Nine museums are taking part and the city centre will be brightly lit.

The fact that scientists are increasingly better able to access molecular cell and tissue data also brings with it a new challenge: how can scientists find the information they need for research among the vast amount of data available?

February 29 and 1 march 2020

On December 9, 2016 Prof.dr. Ton Koopman will give a lecture 'Bach en zijn zangers' in the Pieterskerk in Leiden.

The Moot Court Challenge Cup has been awarded for the sixteenth time! This time, it went to the best pleader in the spring of the 2024-2025 academic year.

Historic and iconic yet expensive and cold. It’s with mixed feelings that the university is leaving the Gravensteen building, which dates back to the 12th century. How was it to work and study in this former Leiden prison?

Transparency is seen as an important value for democratic government policy. Does that mean that we should do away with state secrets, such as confidential information involving intelligence agencies and political deals made behind closed doors? Political philosopher and ERC grant recipient Dorota Mokrosinska…

We take it for granted that water comes out of the tap and electricity out of the socket. But that isn’t always the case. Last Tuesday began like any other day, with our board meeting in the morning. But things were soon to change.

The 20th anniversary of the Lorentz Center will be celebrated on 28 June 2017 with the opening of an exhibition in the Oude UB. For two decades already, the Center has been a place of retreat for groups of international academics who want to explore a single issue.

You win the Leiden Teaching Prize and suddenly all eyes are on you. Three past recipients reflect on how this student-awarded prize has changed how they work and improved their teaching – and how they chose to spend the money.

Tim Koopmans is one of the great minds in the history of Dutch and European legal scholarship. He taught law as a professor in Leiden and other universities, among which Ghent, Cambridge, Utrecht. He practiced it as a judge in the European Court of Justice and Advocate-General in the Dutch Supreme Court,…

To what extent is the image of the Taino settlements on Hispaniola representative for the whole island, or is it only related to a few large settlements of known caciques?

Below are some of the scholarly works published within the context of the Institutions for Conflict Resolution programme.

Leiden physicists exploit self-assembly of small particles to someday create functional structures such as micro-robots from the bottom up. They have now taken an important step forward by experimentally realizing joints at micrometer scale. Publication in Nanoscale.

Museum Night on Saturday 28 May is a good opportunity to discover the unique museums in Leiden. Thirteen museums will open their doors and give visitors the chance to experience these locations in a different light.

All supermassive black holes in the centres of galaxies appear to have periods when they swallow matter from their close surroundings. But that is about as far as the similarities go. That's the conclusion reached by British and Dutch astronomers from their research with ultra-sensitive radio telescopes…

An international team of scientists including Leiden's Joe Callingham has discovered nineteen red dwarf stars that unexpectedly emit radio waves. The outbursts possibly originate from interaction with exoplanets. The results of the research appear in two scientific publications.

From sponsored runs to festivals and from open days to concerts: Leiden University hosts lots of events each year. We are highlighting six of them for 2023.

Ontwikkelen van een vaccin tegen aderverkalking

Academics increasingly face threats, intimidation and abuse. The WetenschapVeilig platform has been launched to address this. Academics who are being threatened or intimidated can seek help from the platform 24 hours a day. It’s good that we now have this platform. But at the same time, it’s awful that…

Leiden’s ‘Learning with the City | On Location’ knowledge store opened its digital doors in Leiden-Noord on 8 February. This is where students, residents and professionals can work together on social issues.

Fiction is more effective than autobiographical non-fiction when it comes to conveying the sensation of enforced solitary confinement. That is the conclusion of writer and lawyer Maarten Asscher in his study 'Het uur der waarheid. Over de gevangenschap als literaire ervaring' (The Moment of Truth: Imprisonment…

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…

“Het is niet genoeg dat Amerika aanwezig is in de ruimte. Amerika moet domineren”, zegt Donald Trump tijdens een bijeenkomst met de Nationale Ruimteraad. Zodoende wil hij naast de land-, zee-, en luchtmacht een nieuwe militaire kracht oprichten: de Space Force. Ruimterecht deskundige Tanja Masson denkt…

The organisers of the big protest march against government policy, held on Sunday in Amsterdam, want to bring preliminary relief proceedings against the refusal to allow British conspiracy theorist David Icke to enter the Netherlands. Icke was due to give a speech at the meeting of the organisation…

Door recente cyberaanvallen op instituties binnen en buiten Europa groeit het vermoeden steeds sterker dat achter de aanvallen wellicht een politieke motivatie schuilt. Jelle van Buuren van het Institute of Governance and Global Affairs (ISGA) verscheen in het NRC om te bespreken of er sprake kan zijn…

All of society is having to deal with the effects of staff shortages. Hospitals are unable to fill their duty rosters, primary schools are having to close their doors for one day per week, and trains are being cancelled on a regular basis. But why is that exactly? Professor of Economics Olaf van Vliet…

Every day we make use of devices, services and apps which contain algorithms that could be discriminating. These range from Facebook to self-driving cars, from the Tax Authorities to a rotating door.

Wil je onderzoeksideeën en nieuwe publicaties in informele setting met vakgenoten bespreken? Meld je dan aan voor deze nieuwe seminar-reeks! Elke laatste woensdag van de maand komen we samen, afwisselend op locatie en online. De eerste bijeenkomst zal plaatsvinden op woensdag 26 oktober van 16:00 tot…

Op 2 oktober 2023 zullen meerdere nieuwe delen in de reeks Middeleeuwse Verzamelhandschriften uit de Nederlanden worden gepresenteerd, ditmaal uitsluitend in digitale vorm.

Half april verschijnt bij uitgeverij Walburg Pers: Jacob van Maerlant, Der Naturen Bloeme. Uit het Middelnederlands vertaald door Ingrid Biesheuvel.

Pop-up restaurant Happietaria has opened its doors in Leiden once again. Come and tuck in for charity between 4 February and 2 March. Students from Christian associations in Leiden will be preparing a delicious menu, and the proceeds will go to a charity that fights human trafficking in Southeast As…

An international team led by Leiden astronomers has discovered diverse ices in the darkest, coldest regions of a molecular cloud. To do so, they used the James Webb Space Telescope. This discovery allows astronomers to examine the simple icy molecules that will be incorporated into future exoplanets,…

Geheime diensten en criminelen kunnen inbreken in slimme apparaten, door slechte beveiliging. De markt lost het niet op: bedrijven willen gadgets verkopen, burgers doen ook weinig. NRC sprak hierover met Bibi van den Berg.

Tirza Cramwinckel, Assistant Professor in tax law, has won one of the 2023 Research Prizes awarded by the Praemium Erasmianum Foundation.