Originally from Romania, Catalin Popa has been working at our Faculty as a Postdoc for two years now. He is a landscape archaeologist with a deep interest in the role of archaeology in society. “We should also produce a message for non-academics. One that is shaped for people that don’t have the time…

The infection rate is rising again in the Netherlands, which means it may also be rising among Leiden University’s students and staff. How is the University responding? And what dilemmas is it facing? We spoke to our Rector Magnificus, Chief Security Officer and two other administrators.

Researchers using NASA’s James Webb Space Telescope may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth. This is the best evidence to date for the existence of any rocky planet atmosphere outside our solar system.

Faced with warfare on the European continent and growing Sino-American geopolitical disputes, the EU’s rising use of sanctions and attention to economic security call for a better diplomatic understanding of how state-market actor-networks are assets of modern foreign and security policy.

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

Operating on tsunami victims, coordinating emergency aid during a civil war and the croaking of frogs in the surgery: Menno Swier worked as a doctor of tropical medicine in Papua New Guinea and Indonesia. He is now a GP on Terschelling and here too there is never a dull moment.

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.

Jonathan Powell came to Leiden from England to conduct research into the role of women in early modern court cases. In addition to all kinds of exciting documents, he also discovered the biscuits from the Water & Bloem bakery and the wild flowers at the Groenesteeg cemetery.

The Netherlands-Flemish Institute in Cairo (NVIC) is celebrating its 50th anniversary this year. Thousands of students and researchers from eight partner universities in the Netherlands and Flanders have been able to gain valuable experience in Egypt through the institute. Good reason for a celebrat…

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.

On 8 June the Faculty of Archaeology and the Department of Antiquity and Cultural Heritage (DACH) of the Palestine Ministry of Tourism and Antiquity signed an agreement in Ramallah on the West Bank. The aim of the agreement is renewed and sustainable co-operation in the field of archaeology.

Our annual "Science to Experience" exhibition of student works is hosted by the V2_ Lab for the Unstable Media. This year's theme is "LIVING".

The one-day symposium ‘War in Europe: the impact of Russian aggression in Ukraine two years on’ on 23 February 2024

Brazilian president Jair Bolsonaro called the COVID-19 disease “a minor illness”. With more than 200.000 confirmed corona cases today (May 18) however, Brazil is quickly becoming one of the world’s emerging coronavirus hot spots. How long can Bolsonaro continue to downplay the corona crisis? We asked…

Apprentices in the art of debate: that is the best description of the group of secondary-school pupils from Pre-University College who battled it out with each other and European parliamentary candidates on 29 March. The fitting location was Huis van Europa in The Hague.

A delegation from Leiden University visited various universities in Japan at the end of March. The strong ties between the Netherlands and Japan are still based on a long tradition of knowledge exchange.

During the spring of 2021, a group of eight biology students from Leiden set out into the dunes in search of amphibians. Using DNA, they determined the geographic origin of the animals. And guess what? In many cases they discovered exotic populations of animals that do not naturally belong in The Netherlands.…

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.

What does Rector Magnificus Carel Stolker think about subjects such as student stress, ‘clean’ transcripts and the onward march of the English language? Law students fired their questions at Stolker during the Leiden version of College Tour on 27 January.

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…

Our annual "Science to Experience" exhibition of student works is hosted by the V2_ Lab for the Unstable Media. This year's theme is "TIME".

In June 2016, Dr. Ann Brysbaert and her SETinSTONE team were invited to participate in the fieldwork training season on Salamis island in Greece.

Islam can be a difficult or sensitive subject to discuss with pupils, regardless whether they are Muslim. Fourteen secondary-school teachers and university lecturers went on a fact-finding trip to Morocco accompanied by experts from NIMAR (the Netherlands Institute in Morocco). What did they learn from…

In spring 2020, the country was facing a potential lack of hospital ventilators for the huge numbers of Covid-19 patients. In response, Clinical Technology students designed an emergency device in the space of just three weeks. ’These students become 80% doctor and 80% engineer.’

Fat is a very valuable food component, packed with calories, especially important when other resources might be scarce. Our earliest ancestors in Africa already cracked open bones to extract the fatty marrow from bone cavities. But now a new study published in Science Advances demonstrates that our…

Every year, an outstanding lecturer receives the Faculty Teaching Prize from the teaching committee. The prize is awarded during the official opening of the academic year on 7 September. This year, students nominated eight candidates.

For more than 35 years they helped put American Studies on the map: Joke Kardux and Eduard van de Bilt. This spring, the couple retired. A farewell interview.

On March 13, Dr. Erik Deul passed away at the age of 67. He leaves behind his wife Wilma, children Caroline and Wouter, and grandchildren Joris, Stach, Viggo, Archie and and a granddaughter expected later this year. Erik served as head of ICT at Leiden Observatory for 35 years, and later also at the…

Describing almost 1400 maps of Africa in three months. It’s no small task that student assistants Artemis Mantheakis and Beatriz Veiga have been working on within the joint ASCL-UBL Africa Maps Project. The project’s aim is to describe and catalogue a 20th-century map collection of the library of the…

On February 10, 2026, emeritus Professor Dr. Takamitsu Muraoka (1938–2026) passed away, one day after celebrating his 88th birthday. From 1991 until his retirement in 2003, he held the chair of Hebrew Language and Culture, Israelite Antiquities, and Ugaritic at Leiden University.

There is a real chance of war closer to home, political and military leaders in Europe have warned. What does Frans Osinga, Professor of War Studies, think about the threat and what we should do?

Lecture

PhD defence

Conference

Conference

Lecture, European Union Seminar

Lecture

Deze onderzoeksgroep richt zich op het thema ondermijning en financieel-economische criminaliteit, in het bijzonder de aanpak ervan op een aantal deelterreinen.

This was the programme for The Knowledge Orchard 2025:

On this page you will find all information about the Bachelor of Security Studies that you need as a first-year student.

LCN2 hosts seminars on the last Friday of each month.

PhD defence

PhD defence

Lecture

Cosmopolis seeks to explore the transnational and cultural dimensions of intra-Eurasian encounters through Dutch sources.

PhD Research Projects:

Lecture

Study information