Every month there is an opportunity to visit the Old Observatory in the evening. These open evenings consist of a lecture followed by a visit to the telescopes in the building.

Triplet superconductivity refers to a condensate of equal-spin Cooper pairs (pairs of electrons with equal spin).

That a parrot can copycat sounds is nothing new. But vocal learning is not common in animals. Researcher Carel ten Cate of the Institute of Biology Leiden (IBL) of Leiden University has now discovered a duck species that can imitate sounds. ‘It started with an obscure reference about an Australian musk…

This year, LUCIS adapted the programme of its popular annual Middle Eastern Culture Market into an evening version, featuring a lecture, book discussion, and music.

The Netherlands has also announced special measures to fight SARS-CoV-2 coronavirus. These measures have at times caused questionable behaviour, such as stockpiling or charging exorbitant sums for masks. But the intentions behind this seemingly antisocial behaviour are not necessarily bad, says Professor…

Our vision of stress is starting to change fundamentally. We can suffer stress without even being aware of it, while sleeping as wall as during the day. Professor of Psychology Jos Brosschot will discuss this phenomenon in his inaugural lecture on 2 December.

Why does it turn out to be so complicated to solve sustainability issues if everyone ‘knows’ about these problems? This was the central question in a masterclass on Sustainability for alumni provided by Leiden scientists active in public administration and environmental sciences.

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…

Sinds september 2010 werken Geerten Waling en Anne Heyer in het NWO project ‘The Promise of Organization’.

Dit jaar begon het project 'Monarchy in Turmoil'. Dit project bracht twee nieuwe onderzoekers naar het Instituut voor Geschiedenis: PhD-kandidaat Quinten Somsen en postdoc Joost Welten. Hieronder stellen zij zich voor en lichten zij hun project toe.

Restoring a natural plant environment on exhausted agricultural lands and in nature areas is difficult. We can speed this up by steering the soils towards the desired situation. This is what Martijn Bezemer, newly appointed Professor of Ecology of Plant-Microbe-Insect interactions at Leiden University’s…

Do you consider applying for the Media Technology MSc programme? This is your chance to meet our staff and students, and learn how we connect creativity, science and personal curiosity!

As part of the events to mark the 100th anniversary of the International Labour Organization, the Department of Labour Law of Leiden University has organized a film evening together with Kijkhuis cinema in Leiden.

The introductory meeting of the new evening track Management and Consultancy (MSc Management Public Sector) was held on Thursday 3 February at Wijnhaven. Prof. dr. Frits van der Meer, in charge of the professional Public Administration master programme, welcomed the first cohort of students together…

Mosques with limited opening hours, fewer family visits and fewer events: for the second time, Ramadan was different due to Covid. Islamologist and deputy director of the Leiden Islam Academie Fatiha Azzarhouni looks back on a special month.

Life cycle assessment (LCA) reveals the total environmental impact of products or production processes, and EU rules are going to make this even more important.

Industrial ecologists Stefano Cucurachi and Flora Siebler are part of the new consortium PROGENY, which received 3.6 million euros from the European Commission. PROGENY is an exciting project that will study the possibilities of soap films for innovations, such as ultra-thin screens.

According to a new study, for half of the world population the answer would be yes. For the other half: maybe? Leiden environmental researcher and head author Nicolas Navarre explains: ‘With improvements to crop yields, reductions in food waste, and changes in consumption patterns, 90% of people could…

How is it that the internet works so well, with billions of users sending millions of gigabytes all together every day? That's because the foundation of the internet is solidly set up. Yet sometimes there are problems on the internet. For example, when certain systems misbehave and disrupt the routing…

Alireza Nouri comes from Tehran, Iran, and is currently in his third year of the bachelor’s in International Studies at Campus the Hague.

Ahab Bdaiwi, University Lecturer of Islamic history, religion and philosophy, was received the first Faculty Impact Award. His interest lies in ‘everything that has to do with antiquity’, especially the religious and philosophical ideas that arose at that time. ‘They can move people. And many of those…

A large interdisciplinary NWO research project attempted to discover the cognitive origin of the human ability to learn linguistic rules. This is not so simple, according to linguist Andreea Geambaşu and her colleagues. PhD defence on 11 December.

On Tuesday 16 April 2019 study association JSV Liberi and the Department of Child Law welcomed alumni of the master’s programme Jeugdrecht to a careers afternoon and alumni evening.

People who move most in the afternoon and evening are less insulin resistant than people who move mainly in the morning or spread throughout the day. This makes them at lower risk of type 2 diabetes. These are the results that researchers from the Leiden University Medical Center (LUMC) have published…

Over 200 people paid their first visit to the new Middle Eastern Library on a special open evening. As well as exploring the library, they got to see exhibitions, speed lectures and premieres about Leiden University’s Middle Eastern collections.

On 22 November, the Honours College certificate ceremony took place in a full Scheltema. Most students had received a diploma before, but this ceremony felt different, says honours graduate Maarten van der Marel.

Recently, a paper by Peter Grünwald was published in the prestigious scientific journal Proceedings of the National Academy of Sciences. Grünwald is full professor of Statistical Learning at the Mathematical Institute and senior researcher at Centrum Wiskunde & Informatica.

Floske Spieksma will give her inaugural lecture as Professor of Mathematics of Operations Research on 1 September. A discussion about mathematical models, Venezuela, trembling knees, being the only woman, casinos, intuition and above all loving your job.

Wat betekent het om alumni te zijn aan de Faculteit der Rechtsgeleerdheid? Naast een maandelijks blad en een groot netwerk organiseert de faculteit ook jaarlijks het alumni-evenement ‘Leiden Revisited’. Wie zijn deze alumni en waarom blijven zij graag actief?

Getting up at 5 AM, strolling through rain and looking at a dirty diaper: students of the Honours College Archaeology endured it all. For their class ‘Future cities, urban pasts’ they mapped the city of Leiden in various forms. ‘This honours track demonstrates how we can take archaeology a step furt…

Aukje Nauta's professorship at Leiden University has been extended for another five years. She will further research how connectedness in the workplace helps people to be their full self and perform better. Her conviction: for a healthy work culture, we need to be willing to feel a bit more ashamed…

Promotores: P. Stevenhagen, L. van Geemen Co-promotor: R.M. van Luijk

New research published in the Journal of Leukocyte Biology suggests that these changes to the behavior of the immune system are persistent and can continue even after diet is improvedAlmost everyone knows that improving your eating habits will most likely improve your health. What most people may not…

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Do you have to be able to say everything on Twitter and Facebook? Is Instagram morally obliged to remove photos from attacks? Should we allow the terrorist group to recruit new members on the internet?

The Old Observatory is still used intensively as a university building. Yet there is still plenty to see and experience in this beautiful monument. Find out what the possibilities are here.

Comparing the global warming potential (GWP) of the service provided by an iRex Digital Reader to the same service provided by an office printer using a scanning LCA.

Carl Li defended his thesis on 30 June 2015

A virtual hand that feels as if it is your own. Feeling happier because a virtual face is smiling with you. Cognitive Psychologist Ke Ma discovered using virtual reality that the way we experience our body is more flexible than we thought. Ma: ‘We can think up some fantastic applications.' PhD defence…

Therapeutic proteins have revolutionized the treatment of many severe diseases like multiple sclerosis, haemophilia, diabetes and many more. Unfortunately, even recombinant proteins with structures (almost) identical to those of their endogenous counterparts often induce the formation of anti drug antibodies…

How did free agents in the Dutch Republic react to the creation of colonial monopolies (VOC and WIC) by the States-General? This project answers this question by looking at the role individuals played in the construction of an informal global empire parallel to the institutional empire devised by the…