How do people vote? How rational are voting choices? How much do external factor weigh in? In this article social scientis provide some background.

As a Leiden University’s master’s student in Political Science you conduct independent research and report your findings to fellow academics and, who knows, to a larger audience. Your thesis is a showcase of your academic skills and personal interest, and perhaps even passion. Easier said than done,…

‘Very interesting’ is what two bachelor students have to say about the stories by Liesbeth van Vliet and Niki Antypa during the Psychology Science Day. The icing on the cake were the poster presentations about the bachelor's theses, admired and commented on by scientists and fellow students. Teachers…

The nominees for the IRO Thesis Prize 2025 and the Prof. Dr. J.Th.J. van den Berg-prijs 2025. Who authored the best thesis in Leiden University’s bachelor’s programme in Political Science?

As of 1 December 2024, Uta Wehn is professor by special appointment of the chair 'Citizen Science and Sustainability' within the Focal Area Engagement and Inclusion at the Centre for Science and Technology Studies (CWTS) at Leiden University. The new chair has been established jointly by CWTS and IHE…

PhD defence

From study places to consulting collections and from a meeting with your faculty liaison to getting books after opening hours: the new Science Library offers it all. The library moved to a brand new location in the Gorlaeus building and will be open starting 15 April.

Athletic achievements, enthusiastic supporters and a beautiful donation for charity: on Saturday 15 April, the Leiden Bio Science Park was the setting for the 5th edition of the Leiden Science Run. All this was accompanied by bright sunshine. ‘What a joy to be part of!’

A diverse team of Leiden archaeologists applied for, and was awarded, the KNAW ‘Appreciated!’ grant, meant to further their science communication endeavours. We speak with Dr Maikel Kuijpers, who is the main contact person of the application.

April is the month of showers and tulip fields but did you know that it is also Global Citizen Science Month? And the future of our Leiden citizen science community looks rosy, says coordinator Margaret Gold. She is happy to come and tell you all about this − and to exchange knowledge and ideas. ‘See…

Only the fittest cyclists stand a chance of taking yellow in the brutal Tour de France. Team Jumbo-Visma is working with data scientists from Leiden. They have analysed the stages and performance of Jumbo-Visma’s riders in previous Grand Tours. And they are researching how to determine the fitness level…

The Rob Schilperoort Memorial will be unveiled at the Leiden Bio Science Park on Saturday 16 September. This gigantic gate stands at the entrance to the park, which is also named after Schilperoort, its founder.

‘If you want to implement open science, you at least need someone at each faculty who can help researchers to solve practical problems.’ Dorien Huijser spent two years managing the transition to a new working method at the Institute of Psychology’s Brain and Development Research Center.

An endless stream of publications, data and software accessible to all? Professor of Science Studies Thed van Leeuwen calls for a more human-centred approach and an overhaul of the PhD system.

Lecture, Tuesday Talk

‘Take science communication more seriously.’ This is the message that Ivo van Vulpen, professor by special appointment in Science Communication in Physics, wants to convey during his inaugural lecture. At the moment, a lot of researchers look down their noses at this while it is extremely important…

Of the 900 new companies that have set up shop on the Netherlands’ largest campuses since 2018, 194 chose Leiden. This makes the Leiden Innovation District the fastest growing of the larger campuses. This is the conclusion a study by Buck Consultants International.

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…

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.

Is scientific research useful? In his dissertation, Jorrit Smit argues that in order to answer this question one should not look at, for example, prominent scholars or influential organisations, but at places where knowledge exchange and co-creation take place. Promotion 6 May.

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

Working towards resilient communities, transparency in science and connecting with the employment market – these are the three key themes being addressed by the departments of Social and Behavioural Sciences at Dutch universities. On 11 February, they presented a joint sector plan to Marcelis Boereboom,…

Lecture, Tuesday Talk

Middle East Studies Lecture

Organisation

Lecture, LIAS Lunch Talk Series

Lecture

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…