Greenhouse gas emissions related to pharmaceutical consumption increased by 77 percent over the past 24 years, according to a Leiden University study published in The Lancet Planetary Health. Moreover, efficiency gains have stalled since 2008. ‘Our best option is reducing consumption and minimising…

During the summer, staff and students of the Faculty of Archaeology travel to all parts of the world, initiating or joining fieldwork projects. Read some of our students' stories here!

Connecting as the magic word. Seeking new collaborations, presenting ourselves to the outside world with an open attitude and showing what we do. During the opening of the academic year on Tuesday afternoon, Dean Jasper Knoester emphasised that change and connection are necessary for the university…

Lecture, Global Histories of Knowledge Seminar

In the Pioneers of Leiden University series we talk to past and present students who were the first in their families to go to university. In this third instalment we talk to Jos Schaeken (1962) dean of the Honours Academy and Professor of Slavic and Baltic languages and Cultural History: 'I had to…

The team from Universidad de los Andes (Bogotá, Colombia) came out on top at the international online Moot Court organised by Leiden University and law firm Baker McKenzie.

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 new academic year will get underway in just two weeks’ time. In recent weeks, this summer series has looked back on studying at home, shared hotspots in Leiden and provided tips for the new academic year. This final contribution will reflect on the past academic year for the last time by featuring…

A bacterium hiding from the immune system and picking up bits of DNA from its environment. The result: gaining new traits, such as better protection against antibiotics. Fortunately, we have not found such a damning scenario yet. However, PhD student Renée Kapteijn did find the first clues, which…

A time-lapse of the universe in more detail than ever before: that’s the aim of the NSF–DOE Vera C. Rubin Observatory in Chile, which will unveil its first images of the night sky on 23 June. Researchers at Leiden Observatory have played a major role in making it all possible.

Your student days are the best time of your life, full of parties and friendships for life. Right? Well, not always. Especially at the beginning of your studies, chances are you will feel alone from time to time, but even after that, it is normal to have to get used to this big change and feel lonely…

What negotiation techniques can you use to strike a win-win deal for your client? What can you do before and during negotiations to make communication more effective?

Four bachelor’s students in archaeology have embarked on a month-long field school in Aruba. They will work with Harold Kelly, a local archaeologist at the National archaeological museum of Aruba, and with the research team of Island(er)s at the Helm.

Facility

Professor Judi Mesman interviewed 40 people of colour in leadership positions. What can we learn from them?

Just a stone’s throw from Binnenhof, the heart of Dutch politics, Spui Campus will open its doors in early 2026. Join us for a sneak preview.

Facility, Organisation

Yung Lin’s research explores how citizens in Taiwan and Southeast Asia actively shape public diplomacy, build trust across cultures, and address identity-based conflicts, highlighting the shift from government-led to citizen-centred diplomacy.

A team including staff from Leiden University won the Open Initiative Trophy on 11 February, a prize for the best open science initiative in the Netherlands. The winners developed Reprohak, a hackathon-like event where participants repeat research to see whether the results were reproducible.

A CT scanner to treat eye cancer, energy-efficient software for the future and a test to identify male chick eggs. Three projects by researchers from Leiden University are to receive funding from research funder NWO’s Open Technology programme, to which the business sector also contributes.

On Monday, 13 October, Jasper will travel to Brussels with a delegation from Key Region Leiden. Why is this collaboration important? And who will he be having dinner with that same evening in Voorschoten? Jasper shares his account of a long and interesting Monday.

'After my BA International Studies I decided to do the MA International Relations, and that proved to be a good choice,' Mats Radeck (23, Trier, Germany) says. He is in the last phase of the MA, working on his thesis on "lone-wolf terrorism".

From research on stellar winds to sign language: an impressive seven researchers from Leiden University will receive a prestigious Vici grant from the Dutch Research Council (NWO).

What’s at stake at the NATO summit in The Hague? Three academics from Leiden share their insights.

Book Launch

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.

Towards the end of the academic year, many students struggle with study stress. Does the pressure sometimes get too much for you, too? Student psychologist Martine Efting Dijkstra has some tips.

An archaeologist as a modern-day shaman. An unexpected comparison Professor by Special Appointment of Public Archaeology Luc Amkreutz will make in his inaugural lecture.

Despite an eventful afternoon – with Students for Palestine occupying the Academy Building – political scientist Hélène Landemore gave her Cleveringa Lecture as planned on 26 November. She reflected on the protest and the importance of open debate, within the university and within a democracy.

The mission in Uruzgan Province in Afghanistan was a formative experience for Dutch soldiers in which many lessons were learned. But most of those lessons have already been forgotten.

Research into depression in children, Leiden alumni in the Dutch House of Representatives and an exceptional achievement by one of our students: what do this topics have in common? They are among our most read stories of 2021.

Leiden University's International Honours College, Leiden University College The Hague (LUC) experienced empty halls and empty classrooms this past year on the residential campus on the Anna van Buerenplein in The Hague due to the global pandemic. Dr Paul Hudson designed a Covid-proof course that enabled…

The year 2023 saw the earthquake in Turkey and Syria, the Wagner Group rebellion and wildfires and floods as all the weather records were smashed. Our most-read stories were about the climate crisis and the elections: here’s the list.

This Thursday saw the launch of PLNT The Hague, an entrepreneurial hub where Campus The Hague students can learn all about entrepreneurship. They will have the opportunity to develop entrepreneurial skills, build a network and begin an innovative startup.

Cooperation is the solution to international problems, demonstrated the final seminar of the Master Honours Class ‘Smart Regional Integration’ – even when it is sometimes easier said than done. “You can see the students struggle with that.”

Discover the unique Vital Interests course in the BSc Security Studies programme, featuring an inspiring session on climate diplomacy with Dutch UNFCCC negotiators.

After ten years and one day, Leiden Observatory has a new director. As of 1 September, Ignas Snellen will set the course for the astronomical institute. In this interview, you will get to know Ignas. Or at least a little. That is why we gave him five dilemmas and asked the people around him who he really…

What negotiation techniques can you use to strike a win-win deal for your client? What can you do before and during negotiations to make communication more effective?

What causes depression in a child and how can they get over it? Leiden Professor of Psychology Bernet Elzinga and behavioural scientist Carine Kielstra recently hosted a webinar on the subject of depression in teenagers. The level of interest was overwhelming.

Thursday 15 January starts with a long journey and ends with an equally long working day full of current issues. Jasper visits the Mathematical Institute with the scientific directors of our faculty and attends a meeting on collaboration with the Ministry of defence.

An international team of astronomers led by Dutch scientist Martijn Oei has discovered the largest pair of jets from a black hole ever seen. The 'jumbojets' extend a combined length of 140 Milky Ways. The Leiden Observatory played a prominent role in this research. The publication will feature on the…

In the Leiden Municipality Challenge, 25 students investigated how Leiden could become more sustainable. In doing so, they enlisted the help of the city's citizens. 'When citizens themselves participate in the research process, they have a better understanding of how science works.'

Why are health problems such as loneliness and obesity so persistent? What causes them to occur more frequently in some neighborhoods than others? And how can we solve them? You will learn about these topics in the new minor 'Co-creating a Healthy Society'.

The Fieldwork NL report prize goes to the “Queer Joy in Motion” report, by bachelor students Dorota Olsavska, Marthe Baalbergen, Rielly Puchalski, and Rosa Graffé. Master student Imogen Cooney receives the Speckmann Award for her thesis ‘Decolonizing Faculty’.

In a recent publication in Nature Sustainability, an international team led by Josephine Chambers from Wageningen University, and including Marja Spierenburg from the Institute of Cultural Anthropology and Development Sociology at Leiden University, have developed a practical tool for researchers and…

At the Leiden Institute for Area Studies (LIAS), scholars have been studying the Indian subcontinent with attention and expertise for more than 100 years. This part of South Asia is an economic giant with a population of over two billion. Nira Wickramasinghe, Professor of Modern South Asian Studies,…

In a significant step toward restoring cultural heritage, PhD candidate Marie Kolbenstetter has played a pivotal role in repatriating a collection of 133 archaeological artefacts from the prestigious Musée du quai Branly in Paris back to their place of origin in southern Honduras. Her efforts underscore…