Mini organs-on-chips allow us to study how diseases develop and how drugs work. Although the technology is not new, it is becoming increasingly advanced. PhD candidate Bart Kramer hopes it will eliminate animal testing in the future.

Five projects with researchers from Leiden University have received a grant from the Dutch Research Council (NWO) to build or upgrade existing research facilities.

Two of our colleagues received a royal decoration. Professor Jo Hermans became “Ridder in de Orde van Oranje Nassau”, and Professor Jan Schmidt became “Officier in de Orde van Oranje Nassau”. They receive the decoration as an acknowledgement for their extraordinary and selfless contribution to others…

Alessandra Silvestri has been appointed professor in Theoretical Physics in the area of Cosmology. For her this promotion in Leiden is the icing on the cake. ‘But there are many more boxes I would like to tick.’

A higher level of legal firearm availability does not lead to more violent deaths in Europe but does lead to more female deaths.

Leiden University Centre for Digital Humanities (LUCDH) has had a new director since 1 February. Associate Professor Angus Mol wants to connect people and knowledge in his new role.

More autocracies, less gender equality and growing anti-liberal sentiment. These are just some of the developments Professor Sarah Wolff will highlight in her inaugural lecture on the future of Europe. ‘The liberal world order as we know it in the West is at stake.’

Visualising cell proteins without invasive techniques is possible with the help of fluorescence. During a lecture of the Natuurwetenschappelijk Gezelschap Leiden on 18 January, winner of the Spinoza Prize 2017 and founder of the field of single molecule optics Michel Orrit explained how this works.

Leiden University’s Campus The Hague has published its new strategy for the next ten years. Martijn Ridderbos, Vice-Chairman of the Executive Board, and Erwin Muller, Director of Campus The Hague, presented this today to Jan van Zanen, Mayor of The Hague.

A mega-dam around Europe is a possible solution as protection against rising sea levels. Whether that is really a good idea, was debated on by young professionals during the debate on the future of European coastal protection. 'A big dam may seem safe, but actually isn't,' argued debate winner Haye…

Various guests with a background in human rights, law, politics and international relations will be taking part in the ‘Human Rights and the World Cup Qatar’ debate on Friday 30 September. Royal Dutch Football Association (KNVB) Secretary-General and Leiden alumnus Gijs de Jong will be there to provide…

In 2018 the Laboratory Efficiency Assessment Framework (LEAF) was launched in the UK. The aim of this programme was to help laboratories work more sustainably and efficiently. The initiative got a Dutch spin-off in 2021. Since then, a couple of the laboratories at the Leiden Faculty of Science have…

For months, students dedicated themselves to a more sustainable world alongside their studies, as part of the LDE Sustainability Honours Programme. What solutions did they come up with for the challenges posed by organisations like Naturalis and ClimateMatters?

What rules should regulate AI, who should make them, and how will they be enforced in the digital arena?

Rector Magnificus Carel Stolker expressed his support in the media for 'The Real Opening,' the protest against government cuts. 'The plans are a disaster for higher education.' Professor Remco Breuker, one of the organisers of this protest on 2 September, called in NRC Handelsblad for a stop to the…

Frank Chouraqui has been appointed as Director of Education at the Intsitute of Philosophy as from 1 January 2019. His mission is to maintain the quality of teaching, job satisfaction for all colleagues and a fulfilling student experience for all students.

What does Leiden physicist Wolfgang Löffler think about the award of the Nobel Prize for physics to Arthur Ashkin, Gérard Mourou and Donna Strickland?

How do stars and galaxies form? What is dark matter? To answer these and other questions, we need increasingly large telescopes. And to build these, we need international partnerships. A series on the impact of collaboration.

Of this year’s four NWO Spinoza Prizes, two have been awarded to Leiden researchers. On 12 September, Eveline Crone and Michel Orrit received their prizes, the highest scientific award in the Netherlands. The Spinoza Prize carries an award of 2.5 million euros.

The guardian of our genome, the protein MutS, scans the DNA for spelling errors and makes sure they are corrected. An essential process for our health. Researchers at Leiden University Medical Centre (LUMC) have discovered precisely how this protein works by making MutS visible with cryo-electron microscopy.…

Academics increasingly face threats, intimidation and abuse. The WetenschapVeilig platform has been launched to address this. Academics who are being threatened or intimidated can seek help from the platform 24 hours a day. It’s good that we now have this platform. But at the same time, it’s awful that…

At a meeting in The Hague from 20 to 22 March, lecturers, university administrators and online teaching specialists made plans for better teaching using technology. Leiden University organised the meeting and launched a successful new element: the research track.

Network-on-Chips are hardware that are used to communicate between different parts of a microchip. They have been around for over twenty years, but they still cannot be widely used in real life because they consume too much power. Computer scientist Peng Wang tried to find a solution for this power-inefficiency…

Can you prove whether a large quantum system truly behaves according to the weird and wonderful rules of quantum mechanics — or if it just looks like it does? In a groundbreaking study, physicists from Leiden, Beijing en Hangzhou found the answer to this question.

In dribs and drabs, first-year students in The Hague are discovering their new student town and the University buildings. We followed a group of Security Studies students during the HOP introduction week.

Dark matter. Something invisible that, according to calculations, comprises about 85% of the matter in the universe. With an ERC Advanced Grant of €2.5 million, Professor of Observational Cosmology Henk Hoekstra will map out even more precisely where this dark matter is to be found.

ESA’s Gaia mission has produced the richest star catalogue to date, including high-precision measurements of nearly 1.7 billion stars and revealing previously unseen details of our home Galaxy.

After one bachelor’s and two master's theses, Fenna IJtsma knew for sure: she wanted to do a PhD. Her thesis supervisor warned her about the high workload. In the 'Twijfeltraject' (PhD: to do or not to do) podcast, published by Mare, IJtsma explores with Mare editor Susan Wichgers whether a PhD track…

For her research into complex family problems, an assistant professor in Forensic Family and Youth Care Studies Sabine van der Asdonk has won the Gratama Science Prize 2021, a prize for talented young researchers from the universities of Leiden and Groningen. The jury praised Van der Asdonk’s excellent…

How do I get into this hard-to-reach classroom with my wheelchair? How do I learn to divide my time better over the courses I’m taking? Can I take an exam on my laptop? These are all questions with which students have approached Jaap de Witte. For several years now, he has been a study adviser for students…

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…

The Sustainability Monitor 2024 reveals that Leiden University has again taken significant steps to become a more sustainable and future-proof university. Since 1990, its carbon emissions have decreased by 50 per cent and, compared with 2019, its natural gas consumption has dropped by 32 per cent. Its…

Three PhD candidates from the Faculty of Humanities have successfully applied for funding from NWO for new PhD candidates. The three upcoming researchers will receive funding from the PhDs in Humanities programme. With the funding, NWO wants to boost the recruitment and advancement of young talent in…

Gabrielle van den Berg became the Academic Director of LIAS on 1 September 2025: “I hope I’ll be able to make a real difference.”

Dossier AIVD: that is the name of a new podcast launched by Assistant Professor Constant Hijzen (Intelligence Studies) together with research journalist Wil van der Schans on Tuesday 29 October. Five questions about the NPO Radio 1 podcast produced by Dutch broadcasting cooperation KRO-NCRV.

Every year, the Leiden University Student Platform (LUS) chooses the best lecturer in the university. The prize is awarded during the Opening of the Academic Year, this year on 5 September.

Sustainable rose smell that can be produced on a large scale. Tobias Fecker made this into a possibility during his master's thesis, which was a collaboration between the IBL and the TU Delft. He wins the fourth edition of the Krijn Rietveld Memorial Innovation Award.

What if AI doesn’t just support engineers, but actually works alongside them? A large consortium, including Leiden University, gets 3.7 million euros. They will explore novel synergies between engineers and AI, in industrial engineering design areas such as automotive engineering.

A delegation from the University of Edinburgh recently visited Leiden University to deepen their collaboration. What makes Edinburgh such an attractive partner?

Around 15% of all Dutch people say they can't distinguish between left and right. People taking their driving test regularly take wrong turns and arguments flare up because that all-important turn is missed on the way to the camp site. Researchers in Leiden and Utrecht are trying to find out what's…

The Choose a Language Day was created to make high school students enthusiastic about choosing a linguistic profile and further education. Third-years were able to learn about different language studies at the Faculty of Humanities.

Young transgender people are able to decide together with their parents on a reversible intervention with puberty blockers. These are the results of a study by LUMC Curium and Amsterdam UMC of 74 young people undergoing treatment. Ninety percent of the young people studied proved able to make an informed…

Nikie Veld is an education coordinator at Biology. Her job now mainly revolves around getting students back to the Faculty. ‘In the corona era, we were constantly rearranging the timetables.’

Liselotta Jahnke, Jason Irwin, Rachel Cruickshank and Paula Kovač are the new student members of the Programme Committee (OLC). This committee advises the Executive Board and the Faculty Board of CADS about educational matters, such as determining the Course and Examination Regulations and evaluating…

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.'

More than 700 visitors got to know the Science Faculty during the Leiden Science Family Day. People of all ages could enjoy fascinating experiments, tours, interesting lectures, spectacular nitrogen shows and various workshops. It was an informative day with many (future) scientists, amazement and,…

Leiden Professor of Translational Rheumatology Hans Ulrich Scherer has one foot in the clinic, where he helps patients, and the other in the lab, where he supervises researchers. He bridges these two worlds in his hunt for autoimmune rheumatic diseases.

Together with 4 other students and ENGIE, Hein Laterveer, a Public Administration student, won the Rotterdam100, a talent contest for young entrepreneurs with ideas for the ‘Next Economy’. The Dutch winners travelled to Singapore for the international final. Hein talks about this special trip and educational…

Ries Kamphof conducted research into European sustainability policies; his findings are that the European Committee very rarely uses her authority. ‘The member states are very protective when it comes to taking action to protect the climate.’ PhD ceremony on 22 November 2018.

Leiden University Medical Center (LUMC), Leiden University and Philips are jointly receiving over 2 million euros from NWO to set up an artificial intelligence (AI) lab. The aim of this lab is to accelerate and improve MRI scans with AI. This is great for patients, and it helps make MRI more accessi…