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…

Juan Masullo J., Assistant Professor at Leiden University’s Institute of Political Science, has been named a 2025 Harry Frank Guggenheim Distinguished Scholar. His research with Nicholas Barnes on public security policy preferences in Rio de Janeiro's favelas has been recognized for its innovative approach…

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.

The Social Resilience & Security interdisciplinary programme broadens its scope by embedding two research projects lead by Dr. Joanne Mouthaan. The projects adress suicide prevention skills and mental health of Ukraine refugees. Both projects will be integrated in the programme with the aim to improve…

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…

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.

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.

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…

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.

Youth crime has plummeted in the Netherlands. Good news, you might think. Yet we need to look critically at existing sanctions, says Professor by Special Appointment André van der Laan in his inaugural lecture. ‘We should evaluate whether our response is just.’

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,

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.'

On Saturday 15 April, we are holding the fifth edition of the Leiden Science Run! Are you a student or employee at Leiden University, do you work at the Leiden Bio Science Park or do you just want to run for charity? Everyone is welcome to register. Registration is open from now!

How do you engage students? Sander van Kasteren knows how to do that like no other. ‘He compares immune cells to Pokémon and doesn’t just give information; he tells stories,’ students say about their favourite lecturer, Sander van Kasteren. The Professor of Molecular Immunology passionately teaches…

Education

In the Gorlaeus Building, there will be a brand new faculty bar for students and staff. From hundreds of entries, a faculty jury chose the name for this bar. The new bar will be called 'The Fusie'. 'This name exudes togetherness and cosiness,' says FWN assessor Nalani Verwoord. 'And it has an additional…

In June the Final Festival took place, the closing event of the 'Social Science Lab'. New participants of Honours College Science and Society presented their solution for a current social problem.

Just like scientific articles, patents cite scientific literature to support their findings. These references provide valuable information on how science is used to develop practical applications. However, extracting this information from patents is not that simple.

Aske Plaat is the scientific director of LIACS, the Leiden Institute of Advanced Computer Systems. He is also an ambassador for Leiden University's LGBT+ Network. His enthusiasm shines through when he explains why.

Are you in need of some rest, stressed about an exam, or feeling under the weather? Since a few months you can find Mindfulnest at the Science Faculty. Assessor Ava Bauer and student psychologists Petra Penning and Koen Linders explain what the Mindfulnest can mean for you.

The nominees for the IRO Thesis Prize 2024 and the Prof. Dr. J.Th.J. van den Berg-prijs 2024. Who authored the best thesis in Leiden University’s bachelor’s programme in Political Science?

The nominees for the IRO thesis prize 2023 and the Prof. Dr. J.Th.J. van den Berg-prijs 2023. Who wrote the best bachelor theses in Political Science?

From September 2024, Berber Verhalle is the new assessor of the Faculty of Science. She thus takes over from Nalani Verwoord. Berber completed her bachelor's degree in Biology this year. Next year, she will start the master's in Biology & Business.

Beautiful prizes, special speeches, and a reception with live music. The well-attended Leiden Science New Year's reception was a delightful way to start the year 2023. Dean Jasper Knoester opened the event after which it was announced who were chosen teacher and bachelor student of the year.

Education, Organisation

Spitting cobra venom composition has been influenced by defensive behaviour according to an international research team. This may have originated from the arrival of human ancestors. Students at the Institute of Biology Leiden made an important contribution to the study. Publication in Science on 22…