Archaeological finds off the coast of Java, Indonesia provide insight into the world of Homo erectus, 140,000 years ago. Skull fragments and other fossil remains provide a unique picture of how and where these early humans lived, says Leiden archaeologist Harold Berghuis.

The bachelor's programme in International Studies is celebrating its tenth anniversary. Ko Voskuilen was among the very first batch of students to follow the study, and Sophia Healy graduated this summer. How do they look back on their time at the university?

Knowing whether or not a treatment is working just by wearing your watch? Data scientist Ahnjili ZhuParris has identified a lot of opportunities for the use of machine learning in clinical research to monitor test subjects at home.

Video conferencing from your sitting room and algorithms on social media that know your interests: new technology is an increasingly integral part of our lives. At the same time there is a growing call to protect our privacy, and this is causing friction, at the University too. In part because of the…

Over hundreds of thousands of years, our region witnessed the comings and goings of various types of hominin. This depended on the temperature as ice ages alternated with warmer periods. In ‘De eerste mensen in de Lage Landen’ (‘The First Humans in the Low Countries’) Leiden archaeologists Yannick Raczynski-Henk…

How does loneliness work? What sometimes makes friendships complicated for autistic people? And why can the school building be such an unpleasant place for some pupils? Pupils explored this during their pre-university classes. 'I now have a good idea of what studying psychology entails.'

According to a new study by an international team of researchers from the Caribbean, Europe and North America, the Caribbean was settled by several successive population dispersals that originated on the American mainland.

Students from eLaw completed a successful work experience programme researching contact tracing apps at Privacy Company in The Hague.

Astronomers have discovered seven Earth-like planets around a dwarf star in our galaxy. Three of these planets are located in the habitable zone of this star, and may contain liquid water. ‘The next step is to study the atmospheres for signs of life. In Leiden we are experts in that area,‘ says planetary…

It’s Circular Economy Week, from 1 to 6 February. But what is it that makes an economy circular? And just how circular is our university? René Kleijn, lecturer on the honours class Circular Economy: from challenge to opportunity, explains.

Spatial technology such as virtual reality can help patients who have difficulty with spatial cognition, for instance if they keep on losing their way. In her inaugural lecture, neuropsychologist Ineke van der Ham will talk about the importance of avatars, the patient experience and room for innovat…

To what extent did the Netherlands grow rich from the Transatlantic slave trade? In his dissertation 'Walcherse Ketens', Gerhard de Kok looks at Vlissingen and Middelburg, the most important slave trade cities in the Netherlands during the second half of the 18th century. It turns out that, although…

In high school, Tim van Erven read about an artificially intelligent algorithm that could solve mazes. From that moment on, he was sold: ‘There’s something magical about algorithms. With a list of fixed rules you can make them learn the most diverse things.’ This year, he won a Vidi grant, which he…

Alumnus Nick Hortensius started volunteering at the Leiden International Film Festival (LIFF) in his student days. He has since grown with the festival to become head of programming. How does he look back on his student days? And what can we expect from the festival this year?

Home sweet home, by Arjan Louwen

When we think of unethical medical experiments, we tend to think first of Nazi Germany. What is less well known is that experiments were also carried out in colonised areas without the explicit consent of the test subject. University lecturer Fenneke Sysling has received a European grant to research…

Victor Gijsbers, university lecturer in Philosophy, has been chosen as a fellow of the Leiden University Teachers' Academy. Over the next five years and with €25,000 to spend, he will be looking for a new interpretation of the Philosophy of Science for Humanities course. ‘Treating a tough and abstract…

With the new Euclid satellite, scientists are going to map a large part of the sky. The satellite ofthe European Space Agency (ESA) will soon give them a better view of the galaxies and matter in the universe. Professor of Galactic Astronomy Koen Kuijken and a team of Dutch scientists are receiving…

Chiara Porro from Australia studied International Relations and Diplomacy at Leiden University and has been Australia’s Ambassador to the Holy See since August. How did she end up at the Vatican and what is it like? ‘The Pope told me his door was always open!’

Assistant professor Carmen Van den Bergh has been nominated for the Leiden University Teaching Prize. ‘I combine literature education with social relevance and personal experience.’

Bart Barendregt, Ratna Saptari, and Annemarie Samuels co-organised a two-day workshop on

Art historian Elizabeth den Hartog has been studying medieval sculpture at Leiden University for 32 years. Like a detective, she searches buildings, books and archives in the hunt for the cultural meaning of unique sculptures.

For a while, it was uncertain whether prominent American politician Nancy Pelosi would travel to Taiwan. But last Tuesday, she did visit – much to the displeasure of China. Asia expert Casper Wits explains why China reacted so strongly and what the consequences of the visit may be.

The internet is a good place to rapidly collect large amounts of data. But if you don’t watch out you’ll collect very biased, one-sided data. These were the warning words of the speakers at a symposium on 5 March about transparency and responsible data science.

Starting with the ‘why’, putting herself in her students’ shoes and providing structure. These are three ways in which environmental scientist Ranran Wang tries to make her course as interesting and manageable as possible. With success: she has been nominated for Science Teacher of the Year 2022.

In 2025, our colleagues from the Institute of Psychology once again made a strong presence in the media. From (inter)national newspapers to podcasts, discover where they shared their expertise in the media this year.

Five years after the Arab Spring it seems as if the only sign of success is in Tunisia. But is that really the case? The Leiden University Centre for the Study of Islam and Society (LUCIS) is organising a panel discussion on this topic on Friday 12 February.

The doctor suggests opting for a treatment that is better for the environment. How do patients react to this? Doctors and psychologists together discovered that this has little impact on patient confidence in the doctor.

Debates about the ‘end’ of the Roman era, how, when, and even if it ended, are still very much alive and raging. However, what happened after the (long) late antique period is a lesser-known and lesser-studied subject. The post-Roman past needs, however, as much energetic investigation and discussion.…

Prison and student life are worlds apart. But in the Learning Behind Bars project, Leiden criminology students get the chance to study inside prison walls with people incarcerated there.

Alireza Mashaghi and his research team have created a new framework to understand shapes of proteins and DNA. With this framework, many diseases can be understood better.

On 26 and 27 September, Eduard Fosch-Villaronga, Carlotta Rigotti, Mohammed Raiz Shaffique, Marie Schwed-Shenker and Antoni Mut Piña participated in the third edition of Lawtomation Days at the IE University in Madrid.

Marieke Adriaanse is Professor of Behavioural Interventions in Population Health and researches behavioural science issues in health. She advocates for better interdisciplinary collaboration and a new form of recognition and rewards within academia. ‘We have to stop being so blinkered,’ she says in…

Four students of the MSc Industrial Ecology have recently been selected to participate in the accelerator programme of the EIT Climate-KIC, which helps sustainable start-ups. The four students use coconut husks to develop sustainable boards, which can be used to make furniture.

Leiden patriot Pieter Vreede fought for greater popular influence. Historian Dirk Alkemade reveals how this pioneer used radical means to shape Dutch democracy.

In November 2024, Dr. Hana Kubatova (Charles University, Prague) visited Leiden to talk with students and our community about academic freedom and neutrality at the university. This meaningful event was planned by student leaders from CIROS (Community for International Relations and Organisations Students)…

The European Union Cyber Diplomacy Initiative (EU Cyber Direct), of which Leiden University is one of the implementing partners, joins forces with the Federal Public Service of Foreign Affairs of Belgium and numerous research institutions and civil society organisations around the world to organize…

When a pupil applies for a place at a school and is admitted, a legal relationship is established between them. The exact nature of this legal relationship however is unclear. The law is silent in this area and case law provides no definite answer either. According to PhD Candidate Stijn Voskamp, contract…

Master’s students in the Honours Class ‘Leiden, City of Refugees?’ were asked to contemplate the concept of ‘the other’ from both an academic and an artistic perspective. The result was the exhibition ‘The Invitation’ which was presented at Stadsbauhaus on 4 June.

Have you had your eye on one of our Summer Schools? Or perhaps a Summer School elsewhere to complement your Law Master, but you have not been able to decide whether it has enough added value? One of our international alumni, Mariasole Forlani, tells us enthusiastically about her experience of the international…

The Dutch Research Council (NWO) is investing 197 million euros in 11 infrastructure projects that will be of great value to science and society. Leiden University and the Leiden University Medical Center (LUMC) are participating in eight of the eleven proposals.

Twenty-one dedicated teachers were awarded their Senior Teaching Qualification (SKO) on 21 January. Rector Magnificus Hester Bijl congratulated them in a ceremony in the Academy Building with an extra celebratory touch as the milestone of the 100th SKO certificate was reached.

On 15 January, the winner of the famed LION Image Award will be announced. Submissions ranged from the famous 3d printed microboat to an eerily abstract graph depicting a Majorana fermion.

The sixteenth Annual Convention of Austria Centers took place in Budapest, Hungary in June 2024. There, colleagues gathered from around the world, coming from Jerusalem, Olomouc, Vienna, Berkeley, Edmonton, Minneapolis, New Orleans, Budapest and, of course, Leiden.

Professor Jan Kolen was appointed Dean of the Faculty of Archaeology on September 1, 2018. We sat down with him and interviewed him about his background, the challenges he sees, and the future of our Faculty.

Patients with chronic itching often cannot focus their attention on anything else. Psychologists want to help them, but they need more knowledge about itching and attention. Jennifer Becker therefore investigated this relationship in healthy individuals. She will defend her PhD thesis on 25 June.

Should we be growing rice and building materials instead of grass for cows? From invasive crayfish to cultural heritage and groundwater levels: ten graduating students explored the future of the Groene Hart, the rural region just outside the cities of Delft, Rotterdam and Leiden where they study.

Meet Thomas King, alumnus BA International Studies: ‘I’m currently living in London which is a really amazing experience! I’m a British citizen and I moved to the Netherlands to study BA International Studies back in 2017. I had the best three years ever living in The Hague and studying at Leiden.’

What will be the focus of the Leiden-Delft-Erasmus strategic alliance in the next few years? Wim van den Doel, the new Chair of LDE, talks about his vision for the future of the alliance, social issues and the reality of academic collaboration.

Leiden University awarded Sir Winston Churchill on 10 May 1946 an Honorary Doctorate in Law. Churchill's speech of thanks showed typical British humour: 'I feel like the most learned man in the world.'