Smiling faces, sweltering heat and a record-breaking donation – that was the Leiden Science Run 2025. On Saturday 21 June, the Leiden Bio Science Park turned bright orange as enthusiastic runners completed 4.5 kilometres to support research for vulnerable children.

The university campus at Leiden Bio Science Park will change rapidly over the next few years. A short film shows the transformation to a full campus. See what this mix of new university buildings, student accommodation and restaurants and cafés will look like. And sustainability and biodiversity won’t…

Lenses from Christiaan Huygens’ telescope, instruments used to demonstrate Newton’s laws, and equipment that led to the discovery of superconductivity—around 3,000 scientific instruments from the Faculty of Science at Leiden University are now officially part of the Rijksmuseum Boerhaave collection.…

Conference, Annual Conference of the Flemish-Dutch Society for Early Modern History

Conference, Symposium

How do we get better at detecting research errors? And how do we ensure that we no longer see those errors as evidence of our inability, but as keys to better and more reliable research? Scientists offer advice during the third Psychology Connected.

Why is water wet? What is ADHD? In De Hoe?Zo! Show, curious 9-and-10-year-olds get answers to their questions. PhD candidates take to the stage to demonstrate just how exciting science can be while enhancing their own communication skills at the same time.

As of 1 September 2024, Thed van Leeuwen is professor by special appointment of the chair “Monitoring Open Science Policies and Practices” at the Centre for Science and Technology Studies (CWTS) at Leiden University. The mission of the chair will be to understand the changes in policies and practices…

In the week of 22-26 September, we celebrate the national Open Science Week at Leiden University. What is your next step towards openness?

Lecture

Lecture, Seminar

Associate professor Rens Tacoma has won the 2021 Research Prize for Historical Sciences. The prize is awarded annually by the Italy Studies Working Group for the best scholarly publication in the field of Italy Studies in Dutch or Flemish academia.

Computer scientist Matthijs van Leeuwen is one of four science faculty members who obtained the Senior Qualification in Education in 2021. What was that like and what drives him? ‘In my own education I would have liked to see more attention paid to the responsibility that machine learning and data mining…

Five projects with a lead applicant from Leiden will receive an Open Science Fund grant from the Dutch Research Council (NWO).

Two Leiden legal scholars have been awarded funding from the KNAW pilot fund 'Science communication by scientists: Appreciated!'. The fund supports scientists who have demonstrated a continued commitment to science communication.

SRON, the Netherlands Institute for Space Research, is holding an open day on Sunday 25 September. It has had a branch at the Leiden Bio Science Park since 2021 and works closely with Leiden University.

The Citizen Science Netherlands (CS-NL) network was officially launched this month with the aid of an Open Science NL grant. The new vision for this network was presented on 28 May.

Research

University lecturer Dario Fazzi and postdoctoral researcher Gaetano Di Tommaso set up a virtual collaboration with the United States last year thanks to a VIS grant. And it was a such a success the project will be repeated next year. Fazzi is looking forward to once again offering his students a multicultural…

As many as seven first-year students from the Faculty of Science were honoured as young talents. In addition, the Royal Holland Society of Sciences and Humanities (KHMW) also lauded three master's students and an astronomy project during a vibrant ceremony on 28 November. Professor of Science Communication…

If a forged Vermeer or Rembrandt is discovered, it is world news. Yet tracing fakes has long been a low priority in art history. University lecturer Anna Tummers will receive an ERC grant of almost two million euros to change that.

A team of Leiden researchers has received the Ammodo Science Award for conducting innovative humanities research into the experience of cultural heritage. They investigate how 'play', such as the video game Minecraft, can contribute to a deeper understanding of the past.

Dutch knowledge institutions are taking steps to recognise and reward open science. On 13 December, the Open Science NL Steering Board approved a total of 1.2 million euros in grants to 23 institutions. The Centre for Science and Technology Studies (CWTS) will lead the national coordination of the local…

What is the state of open science at the Faculty of Governance and Global Affairs? Our faculty offers a unique environment for moving open science practices forward, while keeping a critical eye to their potential excesses.

The latest book by political scientist Matthew Longo came out this spring: 'The Picnic: A Dream of Freedom and the Collapse of the Iron Curtain'. In addition to its many favourable reviews, the book received the prestigious Orwell Prize this summer, which highlights exceptional books on politics.

Annelinde Vandenbroucke received the new science communication grant for NeurolabNL Young in December 2020. This grant will help her in her mission: to make science attractive for and by youth. Vandenbroucke tells Humans of Psychology why youth is important to science and vice versa,

Leiden is European City of Science in 2022 and this will be celebrated under the name Leiden2022. During Leiden2022, various activities will be organised, such as lectures, workshops, excursions and exhibitions. On the occasion of Leiden2022, Postbus 71 will be opened: the place to go if you have any…

Mathilde Verdam and Julian Karch (Methodology and Statistics) have been awarded a grant as co-applicants by Openscience NL to promote "Open software for statistically responsible research".

This year’s We are Science Week was another great success! For the first time, the Campus Square was transformed into a true festival site. Take a look at the photos and join us in looking back on this enjoyable week!

Socialising with other people is an important part of feeling good. What do children need from their surroundings to do this?

Conference, Book presentation