The logic seems inescapable indeed. The bigger the population, the higher the probability it contains an Einstein. Hence, bigger populations are more likely to develop complex culture.

More and more people worldwide have infections caused by bacteria that are resistant to many types of antibiotic. Why is this and how big of a problem is it?

Although Ebola is a virus with significant fatality rates, we still lack effective countermeasures to battle it. To change this, Alireza Mashaghi and his colleagues from the Leiden Academic Centre for Drug Research have successfully developed an organ-on-a-chip model that imitates the most dangerous…

Macrophages – the front line of our immune system – protect us from infections. But in the case of the tuberculosis bacteria, this often goes wrong. The group of Annemarie Meijer from the Leiden Institute of Biology has now discovered that macrophages in zebrafish are better able to eliminate tuberculosis…

Asexual procreation in female wasps leads to an accumulation of genetic mutations, and the shrivelling of their sex organ. Leiden biologist Ken Kraaijeveld published this discovery in Evolution. His research is one of the first experimental studies into the consequences of asexual procreation.

How can we guarantee the safety of the crown witness scheme for both crown witnesses and lawyers? How can we ensure that online conversations between lawyers and their clients remain confidential? And what are the risks of extra secure communication tools?

In her inaugural lecture on 11 September, Miranda van Eck, Professor of Cardiovascular and Metabolic Therapeutics, addressed her research related to developing medications to keep our blood vessels clean.

In the Netherlands, 1.55 million people suffer from cardiovascular diseases. Yet, acute cardiovascular events, such as a heart attack or stroke, often occur unexpectedly. That is because many people do not know they are at risk for such an event. Immunological researcher Amanda Foks and her colleagues…

The latest research from the Leiden outdoor laboratory ‘Living Lab’ shows that the insecticide thiacloprid strongly influences even the most common and robust dragonfly species in the Netherlands. The study was published in the Journal of Applied Ecology.

To eat or get eaten. It describes the evolutionary race of snakes versus the mammals and birds that prey on these snakes. Muzaffar Ali Khan devoted his PhD to investigating the molecular mechanisms play of the evolutionary arms race, and has his promotion 16 February. What makes mammals and birds successful…

PhD candidate Dennis Wander searches for the best of both worlds. That is to say: a cancer drug that is effective and also has minimal side effects. To this end, he makes new molecules inspired by two existing medicines. And not without result: ‘We have created a new variant that is very promising.’…

It is still unclear how the Neanderthals died out. For long, one theory seemed most likely: the emergence of the highly intelligent Homo sapiens, or modern humans. This competition hypothesis is no longer the dominant theory among scientists, research among archaeologists and anthropologists has shown.…

When foreign matter enters our body, our immune system has to make a choice whether or not to go on the attack. There are times when the system goes wrong, and we end up with an illness or an allergic reaction. Researchers at LUMC are trying to steer the immune system. The dossier on Immunity, Infection…

Some of the most significant and surprising astronomical breakthroughs that have shaped science, technology and culture over the last century are showcased in the Above and Beyond open-source exhibition. This exhibition was commissioned within the framework of the International Astronomical Union's…

An unexpected phenomenon in a merger of a cluster of galaxies. An international team of astronomers led by Francesco de Gasperin has witnessed a gas tail of a galaxy, that slowly extinguished, but then lightened up again

Op 26 april 2012 kwamen ze samen om ervaringen te delen met Leidse staf: twaalf Chinese promovendi die in Nederland zijn in het kader van het beursprogramma van de China Scholarship Council. Tien dagen eerder, op 16 april, ontving de Universiteit Leiden een delegatie van Peking University.

How can Europe lead the way in vaccine development that is fast and for all? To answer this pressing question, Professor of Vaccinology Meta Roestenberg is holding a panel session on 14 July at the EuroScience Open Forum in Leiden.

People in the Early Bonze Age used bronze artefacts as a means of payment. This is the conclusion reached by archaeologists Maikel Kuijpers and Catalin Popa in a PLOS ONE article published on 20 January.

No less than four Leiden research teams have been awarded a grant by NWO. On 27 July NWO honoured 21 applications in the Open Competition ENW-XL. NWO awards the grants to consortia in the exact and natural sciences who are doing unconnected fundamental research that is 'driven by curiosity'.

September 26 is the European Day of Languages. There are 24 official languages in Europe but some 200 languages in total are spoken on our continent. What good are all these different languages? And should we all learn Azerbaijani or Swedish? We asked Lisa Cheng, Professor of General Linguistics.

What moral concerns do people have when they encounter the financial sector in their everyday life? Erik Bähre's ERC consolidator project 'Moralising Misfortune: A comparative anthropology of commercial insurance’ aims to find out. In collaboration with Brechtje Boeke, five short documentaries from…

Globally, the number of deaths from infections is on the rise as more bacteria become resistant to antibiotics. New classes are desperately needed. A promising resistance inhibitor is now being developed by the research group of Nathaniel Martin, Professor of Biological Chemistry. Inaugural speech on…

The universities of Delft, Leiden and Rotterdam are working together to show their students what artificial intelligence (AI) means for their own field. Three AI minors will start in the 2022 – 2023 academic year and will answer questions such as: ‘How best can you use AI in your research discipline?’…

Leiden University and Leiden University Medical Center have joined the Netherlands Centre for One Health (NCOH), further strengthening the academic network in which such problems as antimicrobial resistance are studied.

Technological innovations such as home dialysis could significantly improve the quality of life and health of kidney patients. Professor Joris Rotmans therefore wants to continue pushing for new medical technology, as he will explain in his inaugural lecture on 24 March.

The European Union increasingly needs to respond to unforeseen events and developments. This is putting it to the test. What are the effects? Professor of Foundations and Practice of the European Union Luuk van Middelaar addressed this in his inaugural lecture on 23 September.

About one and a half million people worldwide die each year from tuberculosis. For thirty years, therapy with antibiotics has been the same, while it takes far too long and can lead to resistant pathogens. Leiden researchers from four institutes are now joining forces to develop more effective and efficient…

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

PhD defence

PhD defence

PhD defence

PhD defence

PhD defence

PhD defence

PhD defence

Our students and staff have strong feelings and deep concerns about the ties between Dutch universities and the fossil fuel industry. It’s a thorny issue and as a university we’re keen to chart our course for the future, but we cannot do so alone. I therefore hope to be able to discuss the matter with…

Museum Boerhaave commemorated the hundredth anniversary of Einstein’s Theory of General Relativity with the exhibition ‘Einstein & Friends’. The exhibition shined light on the famous physicist’s Dutch friends and his love for Leiden. A review featuring seven images can be found below.

‘It is a fantastic sum of money,’ enthuses classicist Professor Ineke Sluiter. ‘It gives me not just an award, but a task as well. And in all honesty, I prefer it that way.’ She is already brimming with ideas about what she will do with her Spinoza Prize.

‘This lecturer’s aim is to challenge his students and to make sure that all of them understand the material,’ was the comment by Christel de Lange, chairman of the Leiden Student Council. Lecturer in Hebrew Studies, Martin Baasten, is the winner of the 2013 LSR Teaching Prize, the prize for the best…

Three new initiatives will provide a more diverse view of Leiden’s academic history, literally and figuratively: a historical study on the background of students and scientists, a new book about the Academy Building, and two new sculptures of female scientists, Ewine van Dishoek, Professor of Molecular…

In a fiery Annie Romein-Verschoor lecture, Sylvana Simons opened up about her experiences as a woman in politics. The leader of the BIJ1 party is regularly the subject of belittling comments and threats. Writer Aafke Romeijn, who reflected on the Simons’ lecture, has also been threatened frequently…

LUC The Hague Celebrates its 9th Birthday!

Fifty years ago a group of students started the Leiden Student Working Group on LGBT. Today students can contact Leiden University Pride and for staff there is the LGBTQ+ Core Network. Five questions for Kirsten de Mare, student of linguistics and chair of LU Pride.

Minerva, which calls itself the oldest student association of the Netherlands, has the reputation of being an impenetrable bastion. A lustrum exhibition shows the turbulent history and points to a diversity of contacts: from close bonds with Leiden ‘coffee ladies’ to the visit of Sir Winston Churchi…

Leiden University is 444 years old this year! And we have big plans to celebrate this special birthday in 2019 - together with the people of Leiden and The Hague.

The James Webb Space Telescope has found evidence of carbon dioxide (CO₂) in the atmosphere of a giant planet 700 light years away. This result provides insight into the composition and formation of this gas giant and shows what James Webb is capable of. The research by the international group of astronomers,…

‘It is a fantastic sum of money,’ enthuses classicist Professor Ineke Sluiter. ‘It gives me not just an award, but a task as well. And in all honesty, I prefer it that way.’ She is already brimming with ideas about what she will do with her Spinoza Prize.

It was a unique meeting at the Academy Building on 10 April. Around 200 local entrepreneurs came to a networking event hosted by Leiden City Centre Management and Leiden University.

Rosalien van der Poel has worked in every nook and cranny of the University over the past 30 years. Now, as institute manager, she is the lynchpin of the Academy of Creative and Performing Arts (ACPA), the only institute in the Netherlands where artists can obtain a PhD from a university. 'This is where…

On 12 September 2024, the official ceremony opening the academic year 24-25 for students of the European Law master’s programme took place at Leiden Law School, organised by the Europa Institute.