A microscope with incredible sharpness that leaves samples unharmed – Guido Stam helped develop one. During his PhD research, he combined light and electrons to study biological samples. ‘We can now measure things that simply weren’t possible before.’

Five consortia within the Perspectief programme that include Leiden researchers have received funding to start their research projects. These projects focus on (further) developing technological innovations, with societal and economic impact at their core.

I think we should go this way. This way! THIS! WAY!! Making yourself heard in a city can be difficult. That is not only the case for humans, but birds seem to be hindered by urban noise as well. Researcher Hans Slabbekoorn of Leiden University already showed that great tits in Leiden communicate differently…

Nu de NAVO inzet op 5% defensiebudget, zoekt Nederland naar financiering. Politicoloog Van der Zwan ziet kansen bij pensioenfondsen—mits defensie duurzaam heet.

With a €1.5 million European grant, industrial ecologist Stefano Cucurachi will work on more sustainable production methods for the pharmaceutical industry. The Italian company Angelini Pharma intends to use the resulting knowledge to make its production process more sustainable.

Last friday, an article appeared on Ruetir about 'donut thinking' in Amsterdam. Shivant Jhagroe, assistant professor at the Institute of Public Administration, talked about how 'donut thinking' could work in Amsterdam.

Micah DenBraber studied at Leiden University College in The Hague while pursuing an internship at the World Resources Institute (WRI), a self-proclaimed ‘think-and-do-tank’, where he built partnerships with the philanthropic sector, among other things.

Paul Behrens and his team have won the Frontiers Planet Prize of half a million euros for their research into the effects of switching to a plant-based diet.

Doğukan Yilmaz chose a study that aligned with his favourite subjects, and it paid off. For his bachelor thesis, he developed a new model to better predict an important chemical reaction. ‘On the edge of what is possible at the bachelor level,’ his supervisors write. Thanks to his impressive achievements,…

LIACS assistant professor Ben van Werkhoven leads the development of software for optimising graphics processing units. By now, version 1.0 of 'Kernel Tuner' is just around the corner. This milestone shows that the software is ready for serious use.

On January 1st Jasper Knoester started as our new dean. How is he finding it? What kinds of things is he doing and what does his day look like? In each newsletter Jasper gives a peek into his life as dean.

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…

The effects of sustainability projects on poorer, marginalised people should be considered at a much earlier stage. This is the opinion of Marja Spierenburg, Professor of Anthropology of Sustainable Development and Livelihood, who will give her inaugural lecture on 25 February.

Seventeenth-century Danish scientist Niels Stensen made groundbreaking discoveries in the anatomy of the body and of Earth. This Leiden alumnus’s theories are still relevant, as an exhibition at the Oude UB shows.

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.

Physicist Milan Allan will build an instrument that will bring superconductivity research further. He has been awarded an ERC Consolidator Grant of 2 million euros over the next five years. With his PairNoise programme he aims to detect paired electrons as they occur just above the temperature at which…

The Faculty of Science has gained an extra 30,000 square metres: Thursday 25 January marked the completion of the new Gorlaeus Building. In this second phase of the project, the Gorlaeus Building has acquired a new main entrance on Rosalind Franklinplein with a striking facade. The new space will be…

The new Comenius Calls have been published. You can use a Comenius grant for innovation projects that help improve higher education. Associate Professor David Ehrhardt from Leiden University College (LUC) in The Hague received a Comenius grant in 2020 and is now implementing his Comenius teaching project…

Two research groups involving Leiden University have been awarded a major European grant, the ERC Synergy Grant. This for research on the development of membranes that can clean water and purify medical drugs and research on the biological clock in certain bacteria.

Nitrogen professor Jan Willem Erisman and Ton Brouwer have released a new report presenting scenarios to actually meet the agricultural nitrogen targets for 2030. Their message to politicians in The Hague: ‘Look at this approach — it is possible.’

Minuscule elementary particles from space colliding with Earth can give us an insight into the distant objects they come from. But first, you need to know how to catch them. With a Vidi grant from NWO, researcher Sjoert van Velzen will 'hunt' for neutrinos coming from exploding black holes.

The University's CO2 footprint has once again decreased. This is the conclusion of the 2022 Sustainability Report. The report also concludes that steps have been taken to integrate sustainability into Leiden University education and research.

Four researchers from Leiden University have been awarded NWO Open Competition grants in the Science domain. This is for research into subjects such as immune cells in tumours, antibiotic resistance and magnetic semiconductors.

For the first time, we’re seeing what Euclid sees. The telescope’s initial observations have provided a wealth of new information about our universe. But according to cosmologist Alessandra Silvestri, this is just the beginning. The research helps us gain a deeper understanding of the past, present,…

Soft structures that can take on different shapes without any external drive. Leiden physicists Daniela Kraft and Julio Melio created them in their lab. They present their groundbreaking research on microscale metamaterials in Nature - a breakthrough that opens the door to smart, reconfigurable materials…

The moving boxes are unpacked, the floors are gleaming, and the workshop rooms look fresh and inviting. On Monday 16 June, the renovated Lorentz Center will be officially reopened by dean Jasper Knoester and rector Hester Bijl. Director Roeland Merks: ‘There’s a new energy running through our centre…

The Executive Board is visiting the university’s institutes to find out what is going on. On 8 July 2025, it was the turn of the Institute of Environmental Sciences (CML), one of the fastest-growing institutes at Leiden University. ‘Our main aim is to preserve our planet for future generations.’

Researchers at the Faculty of Science work at the frontiers of knowledge every day, tackling today’s major societal challenges. Their work is recognised through grants, prizes and other awards. We highlight some of these achievements.

Orange the World 2025

Climate change, social inequality, and the COVID-19 crisis are examples of wicked problems—issues that require collaboration across different disciplines. In partnership with the African Studies Centre, David Ehrhardt and Caroline Archambault (LUC), along with African partners, are researching the best…

During the first weekend of October, a group of fourteen Master of Arts in European Union Studies alumni returned to the place it all began, 15 years after graduating from Leiden University. The international group, representing the Netherlands, Norway, Slovenia, Bulgaria, Hungary, Latvia, Belgium and…

Terrorism, crisis, violence, intelligence, diplomacy, war and peace are topics that are broadly covered in ISGA's research activities. Regularly, ISGA researchers appear in international media to discuss their research expertise. This item offers an overview of non-Dutch and non-English articles and…

Multidrug-resistant pathogens and worldwide pandemics are increasing, making infectious diseases more prevalent. To develop new treatments, deeper knowledge of the interaction between bacteria and human cells is required. Ariane Briegel recently became a Medical Delta professor and studies such path…

Marc Koper, Professor of Catalysis and surface chemistry, has been awarded the EuChemS Gold Medal 2026. The prize is awarded every two years and recognises outstanding achievements in the field of chemistry in Europe.

Facility

Jeroen Touwen officially joined the Campus The Hague Board on 28 November.

Annemiek Hogendorp has been appointed as head of the HR department of the Faculty of Humanities with effect from 1 January. ‘I’m very proud to be a member of Leiden University’s education and research community.’

Research

Jacqueline Hylkema, a cultural historian at LUC, will be appointed at Princeton University from January to June 2026. There, she will conduct research on the concept of truth in Dutch political forgeries from the 17th century.

As of 1 May Gianne Derks is the new Scientific Director of the Mathematics Institute. Derks succeeds Hermen Jan Hupkes who temporarily assumed the role. Derks has been appointed for a period of four years.

Willem Jespers started his position as Assistant Professor in the group of Prof. G.J.P. van Westen on June 1st, a short introduction below:

Koenraad Schalm will be the new programme director of the Physics master starting 1 November. He has been appointed for a period of four years. Schalm succeeds Ana Achúcarro who has held the position since 2021.

Facility

On January 17th 2023, Caterina Ghini, Ambassador of Greece to the Kingdom of the Netherlands, visited the Faculty of Archaeology. Her Excellency reached out to Leiden University with the purpose to collaborate and engage with us.

After nearly five years as President of the Executive Board, Annetje Ottow will be stepping down from the role as of 1 September. During her time as President, she helped shape the university’s strategic direction, strengthening its regional, European and international profile. Sustainability, and dignity…

It was hot. It was sweaty. Despite the hot summer weather, colleagues showed top performances at the dodgeball tournament on 20 June, organised by Roy de Kleijn. It was an afternoon full of quick dodges, unexpected throws and a good barbecue.

On April 12th three students majoring in Earth, Energy, and Sustainability (EES) from Leiden University College participated in the annual conference of the Netherlands Center for River Studies.

Organisation