What are the origins of the Islamic Empire? And what was daily life like there? Two new Ted Ed animations answer these questions in simple language. Arabists Petra Sijpesteijn and Birte Kristiansen explain what the process of developing the videos was like.

After almost 18 months of following lectures alone in their rooms, many students are going back to face-to-face classes for the first time. And the same is true for the lecturers. How do people feel about it? We went to Leiden Law School to find out. ‘For a whole year, I’ve been watching lectures in…

Researching DNA material for genetic disorders using the most powerful apparatus. This is what GenomeScan, a company on the Leiden Bio Science Park, does. Master's student Konstantina Konstantinopoulou is doing an internship there. 'It's a world where developments happen really rapidly so it's a fantastic…

It may well be the best tradition in Leiden: immortalising your name in the ‘Sweat Room’ after receiving your diploma. But is it really immortalised? The names were at risk due to crumbling plaster. Fortunately, a crowdfunding project was able to save this beloved ritual.

Even as a child, Jan Willem Erisman wanted to make things better. As a professor Environmental sustainability, he is therefore also very active outside the university. He is known as the nitrogen professor: in the media all the way to the House of Representatives, he explains the nitrogen problem. Recently,…

How can we make our cities greener and more people-friendly? Two Campus The Hague projects have secured a grant from the Municipality of The Hague. The researchers and students from both projects are working with city residents to find sustainable solutions to local issues.

One and half years ago, Lewis Borck exchanged the arid and hot Southwest of the USA for the Netherlands. While an expert in Ancestral Pueblo and Hohokam archaeology, he switched to the Caribbean as a researcher in the NEXUS 1492 project. “Theories and methods brought me in first.”

On Friday 22 March, the Effective Protection of Fundamental Rights research programme held a successful Annual Research Day (Toogdag) in Gravensteen building. This year’s theme was ‘The Concept of Justice in a War Era: The Cases of Gaza, South Sudan and Bosnia and Herzegovina’.

Academia and games. One is for serious people who only have time for research, the other is a pastime best avoided if you are or want to be one of these serious people, right? Not at all!

A whole week was dedicated to fair partnerships and equitable exchange in Leiden-African education and research

The Municipality of Oss is a household name in the world of Dutch archaeology. For fifty years, Leiden archaeologists, in collaboration with residents of Oss, have been uncovering the history of the municipality. 2024 is the archaeological year of Oss! In a series of interviews we look back on fifty…

Fake news a new phenomenon? Not according to Rens Tacoma and Indira Huliselan. In an NWO project, the associate professor and PhD student will delve into the twisting, scheming and tampering with facts that went on thousands of years ago.

News articles have only a limited influence on the course of legislative processes. This is the finding of political science expert Lotte Melenhorst in her PhD dissertation. Defence 21 March.

Young people influence one another to take greater risks, although it's not quite that cut and dried. This is what development psychologist Jorien van Hoorn discovered. Peers also have a positive influence on one another, an aspect that has so far been under-researched. PhD defence 12 January.

A standing ovation. A wave and a smile from the president. A final selfie. Ukrainian President Volodymyr Zelensky addressed students in the Netherlands for the first time on Tuesday morning via a livestream in The Hague. He did so in front of two packed lecture halls at both Leiden University and The…

The European Union can only remain in existence if all Member States continue to be inspired by the spirit of compromise. Those words comprised the core message of Herman van Rompuy, President of the European Council, who delivered the third Europa Lecture on 10 October at Leiden University.

During the coronavirus pandemic, scientists were in a hurry to find drugs that would help fight the disease. To combine the research that was being carried out around the world, PhD candidate Judith ter Schure developed a new statistical method: ALL-IN meta-analysis. This helps determine sooner whether…

Getting young people excited about history is quite possible without books. Researchers from Leiden travelled to Morocco to work with schoolchildren on reconstructing cultural heritage in the popular video game Minecraft. The result: one virtual 14th-century city gate – and 20 teens with a greater appreciation…

Political games have existed throughout history, but what is the role of 'play' in the way the American political world has developed? University lecturer Sara Polak has received an ERC Starting Grant to investigate this.

Thinking up solutions for global issues such as environmental pollution and poverty. This is what young people from all over the world will be doing at the One Young World summit from 17 to 20 October in The Hague. Follow Leiden students Jennifer Pfister and Thomas Gevers who will be reporting on their…

After almost four decades, Leiden and Eindhoven chemists have resolved the discussion about the correct model for the simplest chemical reaction in heterogeneous catalysis, which is essential for fuel cells. Using a unique curved platinum surface, Ludo Juurlink and PhD candidate Richard van Lent from…

Is it a prehistoric mammoth tooth or just an ordinary pebble? It was National Finds Day at the Dutch National Museum of Antiquities on Saturday 17 June, and Leiden University was one of the collaborating partners.

A star does not just appear in the sky overnight. Its creation takes tens of thousands of years. Twenty years ago, astronomers took a picture of a star in its birth phase. The James Webb Space Telescope (JWST) could now capture that same star in much greater detail. This does not only provide beautiful…

How safe are the nanoparticles in transparent sunscreen, anti-odour socks and bacteria-resistant plasters? Although microbes are present on all organisms, the tools that estimate the safety of nanomaterials still hardly take them into account. Bregje Brinkmann explored the role of these microbes during…

How can we improve the treatment of thrombosis, reduce the disease’s impact and spend less money while we’re at it? This is what Erik Klok, Professor of Internal Medicine and an internist, is researching. He will discuss it in depth in his inaugural lecture on 10 March.

By 2050, we can obtain 40 per cent of our demand for scarce earth metals from old smartphones, batteries, and wind turbines. This is crucial because otherwise, we may not have enough to accomplish the energy transition. An international team of researchers from China, the UK, and Leiden's Tomer Fishman…

Green spaces boost mental health—especially in busy cities. A new study from Leiden and Stanford University reveals how nature benefits urban well-being and offers low-cost ways to make city life healthier for everyone.

Human cells are protecting their proteins from unfolding and aggregating. That's what biophysicist Alireza Mashaghi and his team discovered after seven years of in-depth research into the folding mechanisms of proteins. With an unprecedented approach, the team was able to study the folding of a single…

Man is nature's mind-reading champion: we are better able than any other living beings to empathise with others. This comes in part from our story-telling culture, according to Max van Duijn. PhD defence 20 April.

Sharing his passion for sustainability with students—that’s what Thijs Bosker enjoys most about his work. As an environmental scientist, he conducts ecotoxicological research, but next to this he loves teaching. ‘Everyone can make a difference in their own way.’

Terrorism expert Bart Schuurman has been appointed professor. As a researcher and lecturer at ISGA, he has witnessed the terrorist threat evolve and broaden. 'How can we explain these shifts and protect our society against them? That is what I want to focus on more,' he says.

On 22 March, five days after his final attendance at the Lucia de B case, Professor of Statistics, Richard Gill, will be appointed Distinguished Lorentz Fellow 2010-2011. To mark the award, Gill is organising a breakfast symposium on the relations between the media, science and law.

Political scientist Corinna Jentzsch received an NWO Veni grant for her research on the conditions of collaboration between militias and state forces and its consequences for safety and political order.

A number of European countries have started evacuating their citizens and there is a threat of military intervention by neighbouring countries: the situation in Niger is deteriorating rapidly. A military coup has thrown the country into turmoil, partly aided by social media.

‘In the field of AI, Leiden is still a relatively unseen university,’ says Thomas Dohmen. The brand-new Director AI Collaboration Center, would like to forge a Leiden AI collaboration network, with sustainable and impactful relationships between the university and civil society organisations. The question…

‘It's empty talk, nothing but political posturing,’ says Prof. Leo Lucassen about Minister Lodewijk Asscher's plan for a participation contract for migrants. ‘It will never happen.’ Lucassen, Leiden specialist in History of Migration, discussed Asscher’s Integration Letter on the NTR programme De Halve…

How do you make lobbying and rhetoric both challenging and understandable for high school students? Professor Jaap de Jong found the answer in climate activist Greta Thunberg. Together with his colleague Arco Timmermans, he developed a digital guest lecture on how to present a convincing story.

Bird, butterfly, fish: when you look through a children’s book, you usually don’t think about the fact that humans divided these animals, depicted in bright colours, into categories. Yet, this division has been discussed for centuries. In her PhD dissertation, Didi van Trijp shows how natural scientists…

A smile, tears in your eyes or a blush on your cheeks: we understand one another better by mirroring one another’s emotions. In her PhD dissertation, Julia Folz concludes that people with autism or social anxiety can be helped by interventions focused on the body.

‘Yamila Miguel brings along immense enthusiasm that sparks over to the students in the lectures,’ her students say about her. ‘She inspires us as scientists-to-be.’ The astronomer teaches master’s students with great passion and interactivity about exoplanets. She has been nominated for the faculty…

Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.

Bjørn Peare Bartholdy is Archaeology’s representative in the Open Science Community Leiden (OSCL) . We spoke with him about the value of Open Science and how to make a good start. ‘Open Science is headed to be a regular way of academic work.’ So better to jump on the Open Science bandwagon early on.

Lecturers had a week to move their courses online. An enormous challenge because remote teaching definitely wasn’t commonplace at Leiden University. Suzan Verberne, a lecturer and researcher at LIACS, shares her experiences. ‘I tried to do too much in my first week working from home.’

The democratic rule of law is under pressure due to a series of scandals and integrity issues, as seen in the recent parliamentary inquiries. Professor Ronald Kroeze explains: 'Public office holders are expected to show complete dedication, but that norm is quite absolute, and what we mean by it is…

From 24 to 28 June the 7th edition of Leiden University’s annual Frontiers of Children’s Rights Summer School took place in Leiden and The Hague.

A large delegation composed of 11 delegates from institutes from the Faculty of Science has made an extensive visit to China and enhanced Leiden’s influence in the Chinese academia, industry and local government.

If you want to talk about inclusion, you have to bring up the subject of race. This is what Kamna Patel said at Leiden University’s annual Diversity Symposium on 22 January. She is Vice-Dean for Equality, Diversity and Inclusion at University College London. We spoke to her beforehand.

Alumnus Francis Farrell (International Studies, 2018) works as a reporter at the Kyiv Independent, where he covers Russia's war against Ukraine. 'I experienced some crazy moments on the front line'

‘We hope our paper highlights the possibilities and benefits of including artificial intelligence in quantum physics to do new discoveries.’ Vedran Dunjko of the Leiden Institute of Advanced Computer Science contributed to a paper that was published in PNAS last year and now received a Cozzarelli Prize…

Niels van Leeuwen is enrolled in the Master Public Administration: Economics & Governance. During the first stage of his master, he did an internship in the United States, at the economic affairs department of the Royal Netherlands Consulate General in Chicago. ‘There are more ways that lead to Rome…