Three young researchers from Leiden have received an Early Career Award from KNAW for their innovative research. The award consists of the sum of 15,000 euros and an artwork.

Welcome to Leiden and The Hague! So there you are, an international BA or MA student, in a city where you don’t know the way and don’t speak the language. What now? Don’t panic: with our international introduction programmes, you’ll soon have learnt all the ins and outs. And another important thing:…

In cryptography, the sky is the limit according to the new professor Mathematical Cryptology Léo Ducas. He already designed several cryptosystems as part of his research at the Centrum Wiskunde & Informatica (CWI), some of which might soon be adopted as new international standards. Since December,…

Testing chemical substances without using animals. It seems a utopia, but a European team is going to develop a way to make this a reality. The RISK-HUNT3R project, led by Leiden professor Bob van de Water, received 23 million euros from the European Commission for this purpose. The project was launched…

With an off-the-charts number of downloads, outstanding media coverage, and more than 300 tweets, a small team behind the Scientific Reports article led by a Leiden PhD Igor Djakovic is living every researcher’s dream.

Alumna Nadeshda Jayakody (25) from Australia graduated cum laude in Human Rights Law. What did she learn in Leiden that has been most useful? ‘I had to pretend that I already worked for an NGO.’

From historical understandings to new treatments: during the Public Day of the Leiden Institute for Brain & Cognition, curious visitors learned how rapidly research into brain disorders is evolving. ‘I found the neurosurgery and the research on organoids on chips particularly fascinating.’

eLaw reflects on a very successful turnout at this year's 17th edition of the annual CPDP Conference in Brussels. This year, the conference was rebranded as CPDP.ai in order to draw attention to AI regulation and governance beyond privacy.

Next year in July Leiden University will receive around 1,500 Asia experts from around the world, for the 11th International Convention of Asia Scholars (ICAS 11). This is the world's biggest Asia meeting. Besides an academic programme, the convention also offers an extensive cultural programme for…

Leiden's city centre, bathed in autumn sunshine and teeming with visitors. On 14 October, several thousands of students and their parents came to visit the University's Open Day. We spoke to a number of students at the information fair in the Pieterskerk; each of them had their own questions, doubts…

What did plays look like in the seventeenth, eighteenth or nineteenth centuries? With the new OverActing theatre festival, university lecturer Jed Wentz is trying to get closer to an answer to that question.

Graduation Ceremony of the LL.M. Advanced Studies in International Children’s Rights 2023-2024

The largest galaxies in the Universe feed off cosmic oceans, which helps them grow. This is the presumption of an international team of scientist with two Leiden astronomers, based on observations of the ‘Spiderweb’ galaxy. The researchers published their evidence in Science on 2 December 2016.

Leiden University College is buzzing with life again. On 13 August, this year’s new crop of students moved into their rooms. For more than two hundred first-year students, LUC will be their home for the next three years. On the occasion of ‘moving day’, we spoke with three of them.

On Monday 11 February, the first issue of the Journal of the LUCAS Graduate Conference went online officially.

Marine Le Pen, an immensely popular French politician, has been found guilty of misappropriating EU funds and is barred from running for public office for five years. Wim Voermans, Professor of Constitutional Law, commented on her conviction in ‘Bar Laat’.

Some children start life with a disadvantage. Sometimes even before they are born. A new research project involving Professor Wessel Kraaij of Leiden University investigates how data science can help give these children a good start in life.

What chemicals do plants have available, and what happens if they use them when faced with bacteria or fungi? That is what PhD candidate Luis Salomé Abarca is keen to learn. He studies plants’ survival and their use of chemical components in communication and defence. Salomé Abarca works at the Natural…

Neanderthals at Pech-de-l'Azé I in South Western France had a striking use for manganese dioxide 50,000 years ago.

On 21 March The Netherlands Centre for Electron Nanoscopy (NeCEN) hosted the Life Sciences Café. Around 60 people from neighbour companies from the Leiden BioScience Park visited the facility for cryo-electron microscopy to get a glimpse behind the scenes. Head of NeCEN Ludo Renault believes it was…

From 30 January 2020 to 1 February 2020, the Europa Institute of Leiden Law School hosted the first regional final of the 2019/2020 edition of the European Law Moot Court (ELMC) competition.

Three Leiden students are in the running for the annual ECHO Award. This prize is for students from non-Western backgrounds who are actively engaged in society and promote diversity and inclusion. The three Leiden nominees are Gnimdou Yaovi Assih, Husna Jalal and Sohana Jethnani.

Between 11 and 13 September 2025, the ESIL Annual Conference took place in Berlin, Germany. This year's conference unfolded on the theme 'Reconstructing International Law', attracting an unprecedented number of legal scholars from all over the world.

The Robben Island field school in January and February 2011 investigated and documented the tangible and intangible heritage of Robben Island, encompassing the remains associated with various political prisoners, the Muslim exiles, the lepers and lunatics, the WWII soldiers and Navy personnel, the prison…

It may well be possible to remove nitrate from polluted groundwater and at the same time produce ammonia in a sustainable way, according to PhD candidate Phebe van Langevelde and Professor Marc Koper of the Leiden Institute of Chemistry in Joule on 26 January. Together with a German colleague, they…

Four professors specialising in migration will soon be appointed as Leiden-Delft-Erasmus professors: Professor Thea Hilhorst and Professor Peter Scholten (both Erasmus University Rotterdam) and Professor Marlou Schrover and Professor Olaf van Vliet (both Leiden University) will each receive a second…

In September 2016, the Leiden University Institute for History starts with a new MA sub-track 'Governance of Migration and Diversity'. This so-called LDE Master (a joint program of Leiden, Delft and Erasmus) is part of the MA History specialization Cities, Migrations and Global Interdependence (CMGI…

Students from Leiden University will be able to study in the Stadsgehoorzaal on Breestraat in Leiden from Saturday 5 to Tuesday 15 December. The main auditorium of this city centre concert hall has been transformed into a unique pop-up study area that will provide temporary study spaces for over 200…

On Wednesday, 21 February, a diverse group of students, staff, and representatives from 21 embassies gathered in The Hague for International Mother Language Day. Under the banner of 'a bit of fun and many serious topics,' language took centre stage.

Language can be a time machine: we can learn from ancient texts how our ancestors interacted with the world around them. But can language also teach us something about people whose language has been lost? PhD candidate Anthony Jakob investigated whether the languages of prehistoric populations left…

For Leiden students and alumni, it might just be the week they feel most nostalgic about: EL CID week. This year sees its 50th edition. A small exhibition in Plexus Student Centre shows that although much about EL CID has changed – student fashion sense, for one – the formula has remained the same.

Bacteriophages, viruses that infect bacteria, may be used as an alternative treatment option when antibiotics fail. Leiden researchers have studied the structure and function of a novel bacteriophage that could be used to treat one of the WHO bacterial strains of concern where new treatments are urgently…

From a Tuscany escape room to scientific illustrations of flowers, and from Chinese movie subtitles to innovative education methods for children, every subject imaginable was covered at the first ever Honours College Conference. ‘You get the chance to break away from the standard study path.’

Social impact and circular economy. Two topics focusing on the future and bringing forward many concrete problems. Two Master Honours Classes, in which students tackle societal challenges, will start this fall.

Premature babies almost always require treatment with medication. Doctors usually determine the dosages based on data from children who were not born prematurely, while preterm infants often develop differently. Medication researcher Aline Engbers investigated three commonly used drugs, focusing on…

An international team of researchers led by Alice Booth (Leiden University, the Netherlands) have discovered methanol in the warm part of a planet-forming disk. The methanol cannot have been produced there and must have originated in the cold gas clouds from which the star and the disk formed. Thus,…

The logic seems inescapable indeed. The bigger the population, the higher the probability it contains an Einstein. Hence, bigger populations are more likely to develop complex culture.

Jacques J. M. van Gent (8 June 1932 - 26 March 2021) was director of Leiden University Library from 1983 to 1993. He was librarian in a time of transition and, as director, was able to benefit from the new library building on the Witte Singel. Van Gent was a very different kind of manager from his predecessor,…

SRON Netherlands Institute for Space Research is moving. In 2021, the Utrecht branch of the institute will be located in South-Holland. Leiden professor Paul van der Werf sees the move as a great enrichment: ‘It will all be much easier when SRON is located here behind us in the parking lot two years…

A team of three Leiden tax law students have reached the finals of the most prestigious worldwide moot court competition in the field of international and European tax law.

A new position has been created at the Faculty of Humanities. On 1 September, Marian Klamer became the first Director of PhD Programmes at the Graduate School. ‘I want to find the balance.’

Two Vidi subsidies for Faculty of Archaeology.

A European team of astronomers has discovered the largest stellar black hole in the Milky Way. It is more than thirty times as massive as our sun and is located in the constellation of Aquila, about two thousand light-years from Earth. The astronomers stumbled upon the black hole by chance while preparing…

Tim van de Meerendonk explores how farmers, insurance advisors and local politicians in India try to make sense of insurance figures through their moral convictions.

Archaeologists from Leiden University and the municipality of Apeldoorn have excavated two prehistoric ancestral mounds dating from 300 years BC at the 'Echoput' royal estate. The findings were presented to Her Majesty Queen Beatrix on Friday 2 November.

Neanderthals in cold regions probably ate a lot more vegetable food than was previously thought. This is what archaeologist Robert Power has discovered based on new research on ancient Neanderthal dental plaque. PhD defence 1 November.

Former student of Leiden University professor Louis Andriessen at the Royal Conservatoire in The Hague, Cyprus-born ACPA researcher Yannis Kyriakides, currently developing his PhD dissertation under the supervision of Professor Frans de Ruiter and docARTES PhD supervisor/ORCiM research fellow Dr. Bob…

Why did fewer women suffer from osteoporosis in the past than today? And which aspects of a city make public spaces safe, accessible and comfortable for all residents? These two research questions will be explored in more detail thanks to an Impulse Grant from the Leiden University Fund.

During the final meeting of the Thesis Project on 10 February at 'Pand Zuidwest' in The Hague, several students presented their theses. Students from different disciplines conduct research on formulated practice-oriented challenges in The Hague South-West. 'The Thesis Project provides a connection between…

Professor Jan Willem Erisman is happy with the freedom at our University. But frameworks are needed, he believes. That is why he makes a proposal for such a framework from the perspective of his own profession. In fact, he makes a proposal for a wonderful ambition for Leiden University.