Stack two layers of graphene, twisted at slightly different angles to each other, and the material spontaneously becomes a superconductor. Science still can't explain how something so magical can happen, but physicists use special equipment to reveal what is taking place under the surface.

Jyothi Thrivikraman set up a Virtual International Collaboration project with a university in Myanmar.

Leiden University contributed to colonialism and slavery through its research and teaching. And governors and residents of Leiden had an active role in colonial networks. These are the findings of two explorative studies presented on 3 April.

Een mijlpaal voor de Class of 2025 van de MSc International Relations and Diplomacy: een prestigieuze en internationale opleiding gevierd in Den Haag en Leiden.

AI ultrasounds: LUC alumna empowers women in rural Africa

After nine years, Mirjam de Baar is leaving as vice-dean of the Faculty of Humanities. ‘It will take some getting used to letting go of this vice-deanship because the education portfolio is very close to my heart and I’ve worked hard for it in recent years in close cooperation with many colleagues.’

Internationalisation is an important pillar of the Strategic Plan of Leiden University and Leiden Law School. The driving force behind internationalisation at our faculty is the Office for International Education (known as BIO). The Head of BIO is Anette van Sandwijk. Now the current political climate…

Leiden University’s Committee on External Collaborations – Human Rights and Conflict Zones advises the Executive Board to suspend student exchange programmes with Hebrew University of Jerusalem and Tel Aviv University until further notice.

On Tuesday 12 April Angus Mol and Aris Politopoulos have been awarded the fourth LUCAS Publieksprijs.

Dr Sarah Schrader, an expert in the study of human remains, received a VIDI grant for a research project on health and inequality. In present day people with a high socio-economic status encounter fewer health risks than those in lower socio-economic strati. ‘Now we will look at this process in the…

Leiden University is featured by French magazine L’Express as one of Europe’s leading ‘schools of power’, highlighting its Faculty of Governance and Global Affairs and the Institute of Security and Global Affairs in The Hague and its role in training future leaders in politics, diplomacy, and securi…

Sophie Rose is one of the fellows of the Ammodo Science Fellowship 2024. She will use this fellowship to conduct research at Leiden University.

The Philip C. Jessup International Law Moot Court Competition is the world’s largest moot court competition. The Competition is a simulation of a fictional dispute between countries before the International Court of Justice. This year more than 570 law schools from across the world participated.

Social

The celebration of the university’s 450th anniversary is not confined to the walls of the university. For the 7th time, professors stood in front of the class of grade 7, in both Leiden and The Hague. Four FGGA professors visited primary schools, introducing the children to research questions such as…

Kim Duistermaat will become the Campus The Hague Director on 1 April. In this new role, she will monitor Campus The Hague projects and drive them forward. ‘I think it will be great to contribute to the successful realisation of the concept of “one university in two cities”.’

Secret services are engaging in increasingly extreme forms of cyber espionage. But nobody talks about this. Dennis Broeders knows why and is trying to have an open conversation about new forms of espionage. As Professor of Global Security and Technology, he will give his inaugural lecture on Friday…

By far the majority of users of child sexual abuse networks (or child porn forums as they are sometimes called) on the dark web do not actively communicate there but download illegal material, therefore committing a criminal offence. But they often stay under the police and judiciary’s radar. PhD candidate…

How can we ensure that young people vape less? How do we prevent the spread of scabies among students? And how can we encourage physical activity at work? Students from Health and Medical Psychology recently presented their answers to these questions to professionals in the field.

PhD candidate Ludwig Hoffmann will spend two years at Harvard University in the US thanks to a Rubicon grant he won on April 11. Using theoretical models he studies biological tissues, for example during morphogenesis. This is the process that causes tissue or organisms to develop their shape. ‘This…

‘We have to have accountability.’ That was Roberta Metsola’ for her audience on Thursday evening. The President of the European Parliament had come to the Wijnhaven building to speak with students.

Explore how cultural heritage can proactively respond to global crises, from geopolitical conflicts to climate change, through innovative cross-cultural collaboration between Latin American stakeholders and Una Europa.

It is not possible for juvenile courts to properly assess whether it is necessary to place a child in care. This is evident from a fact sheet that has been prepared by legal scholars from Leiden University, commissioned by the Dutch House of Representatives and others.

Alanna O'Malley, Associate Professor at Leiden University Institute for History, talks about the possible expelling of the Russian ambassador Yuriy Filatov and the risks that come with the decision.

One of our RISE members, Prof. Laura Heitman, has been nominated for the TOPX Females to Follow “Guiding Star” award. TOPX empowers promising and ambitious women, and aims to honour inspirational females with remarkable careers in Life Sciences. TOPX selected her (and 7 other female professionals) because…

Facility

Our university labs are bursting with cutting-edge research, but how do you commercialise these inventions and discoveries or translate them into outcomes that benefit society? Professor of biological chemistry Nathaniel Martin started a spin-off company with his team. ‘When it comes to valorisation…

Academic ceremony

Alumni event

Festival, Career Event

Lecture, Seminar

Alumni event

Career development

Orange the World 2025

Conference

Conference

Lecture

Festival, Celebration

In April 2025, Ms. Esther Rachow from The Hebrew University in Jerusalem presenting her ongoing doctoral research at an Austria Centre Leiden lunch-time talk. She answered a few questions about her visit below.

Marjolein van Reisen has been Institute Manager Finance for a year, and Wiesje Zikkenheiner has been Institute Manager HR for two months. This duo job is by no means a luxury in an ever-growing organisation. Marjolein: 'We’re both new to this world, so we have our hands full.'

In 2022, Leiden will be the European City of Science. University lecturer Jaap de Jong has created special assignments for the journalism master's students to celebrate this: they will go into the city to visualise knowledge from the city.

Education

President Donald Trump’s decision to freeze U.S. foreign aid is raising concerns about ceding global influence to China. The Associated Press explores how this shift could weaken America’s soft power, traditionally used to build alliances and counter adversaries.

The outbreak of coronavirus has radically changed our life and work. We have had to work, teach and conduct research from home. How has coronavirus changed your work? What do you miss most? And what is keeping you going? We asked a few colleagues.

On Sunday, November 9 2025, Prof. dr. Sarah Cramsey presented a film at the “Eastern Neighbors” Film Festival in The Hague.

On Monday 3 November, Hanneke Hulst bid farewell to the Institute of Psychology and gave a heart-warming speech to her colleagues. After two years as scientific director, she is moving to New Zealand to start a new chapter in her life. ‘I wish you all one thing that costs nothing but is worth everything:…

Veel vrouwen in een opvanghuis kampen met een posttraumatische stressstoornis (PTSS). Deze PTSS-klachten herkennen en direct behandelen biedt volgens het Leids Universitair Behandel en Expertise Centrum (LUBEC) de meeste kans op succes. Daarom werkt LUBEC per 1 september samen met vrouwenopvangorganisatie…

Last week, Ajay Gandhi, Assistant Professor at the Leiden University College, wrote an article about how spider's webs can explain the dynamics of social beings.

Organisation