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!

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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!’

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.

Ever since the first edition of the Science Run, the Leiden Student Running Association Currimus has delivered the winning team or the fastest runner. Now the event is back, the new batch of students must uphold the honour. The board is also forming a team: ‘During the upcoming training session, we…

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Once a year, former employee and avid runner Dennis Hoencamp returns to his old workplace. That’s when he competes in the Leiden Science Run. As an event coordinator, he once devised the relay race as an anniversary activity. It grew into an annual event for the entire University and the Bio Science…

'In Leiden, I can continue on the path towards my dream: having my own pharmacy,' says Duaa Abbas. She studied pharmaceutics in Syria and worked in a pharmacy there for a year and a half. After having to flee the country, she ended up in the Netherlands. Thanks to the help of the Foundation for Refugee…

Festival

A new study sugggests that through informal networks, Mesopotamian merchants established a standardized system of weights that later spread across Europe, enabling trade across the continent. The advance effectively formed the first known common Eurasian market more than 3000 years ago. “This is…

Organisation, Social

Nearly 19,000 runners lined up at the start of Leiden Marathon on Sunday, among them students and staff from the university. For some this was their first race, for others a highlight of their year. This year, in celebration of our 450th anniversary, they ran in a special jubilee t-shirt.

A lot is going on in the world right now, and our university regularly faces big issues and dilemmas too. Then it can be tricky to switch off. For me, exercise is a way to unwind. We want our staff to be able to relax too and are therefore offering various events and workshops that should help.

Education

Three Leiden students are in the running for the annual ECHO Award. This prize is for students from non-Western backgrounds who are actively engaged in society and promote diversity and inclusion. The three Leiden nominees are Gnimdou Yaovi Assih, Husna Jalal and Sohana Jethnani.

Gorlaeus Gebouw, Einsteinweg 55, 2333 CC, Leiden

The Social Sciences & Humanities (SSH) Labs at Leiden University are where innovative behavioural science research takes place in the domains of psychology, digital technology, language and the development of children and adolescents. We are always looking for participants for various research studi…

Research

Each month, we publish an article showcasing how social science research and education contribute to solving societal challenges. Researchers, lecturers, students, and societal partners work together to make knowledge accessible and to make a difference. Through open science and engaged education, we…

Ayo Adedokun, Assistant Professor at Leiden University College (LUC) in The Hague, is one of the four finalists in the running for the title ‘Teacher of the Year 2022’. The yearly election is organized by the Interstedelijk Student Overleg, the largest national student organization in the Netherlands,…

Study support

Career and apply for jobs

Studying at university can be both challenging and rewarding. Alongside your courses, you might be balancing a social life, part-time work, and personal circumstances that require your time and energy.

Healthy communal meals that also prevent food waste. On 4 March, Hague alderman Robert Barker came to see what was cooking at the LUC Community Kitchen, a partnership between students and The Hague Market.

Parents from all corners of the university bring their children to De Kattekop, the university’s day nursery. How does manager Ellen Buschman use her psychology degree in her work?

Study support

How did science relate to politics and colonialism in the late nineteenth and early twentieth centuries? Assistant Professor Lauren Lauret has been awarded an NWO XS grant to map the colonial and political activities of nineteenth-century scientists.

For almost 25 years, ‘de Handboeken Veiligheid’ have been a phenomenon. Who does not have a copy on their bookshelf? In 2024, the series will be celebrating its 25th anniversary and next Monday, the Public Prosecution Handbook will be presented: the latest volume in the series. Erwin Muller talks about…

The Faculty of Archaeology is pleased to announce that Dr Sarah Schrader has been appointed as the new Head of the Department of Archaeological Sciences (DV). In April 2026 she succeeds Dr Jason Laffoon, who has led the department for the past six years.

450 years

Leiden University has an active open science community. Open science means transparency in all phases of research by precisely documenting every step of the way and making this publicly available. ‘It’s time to be open,’ say psychologists Anna van ’t Veer and Zsuzsika Sjoerds. There is increasing awareness…

Just start somewhere: whether it's videos, board games, theatre performances, or festivals. That was one of the key insights Sophie Wintermans gained during the Science Communication Summer School. In her view, the Summer School is a great step for any scientist interested in science communication.

The Dutch Research Council (NWO) has rewarded four projects in which Leiden researchers are bringing science and society closer together. What are these projects?

Young researchers met this month for the fifth Science Communication Summer School. ‘This is the first time some participants get to meet other researchers who also enjoy science communication. It’s great to see’, says Julia Cramer, one of the coordinators.

The nominees for the IRO thesis prize 2021 and for the Prof. Dr. J.Th.J. van den Berg prize 2021. Who wrote the best Political Science bachelor’s theses?

...What does seem clear, though, is that there is a great deal of room for improvement in the process of out-of-home placement. The FSW's social and behavioural scientists give their views.

Zes onderzoekers zijn voor twee jaar aangesteld als themaleider voor de onderzoeksthema's van de faculteit Wiskunde en Natuurwetenschappen.

The fact that scientists are increasingly better able to access molecular cell and tissue data also brings with it a new challenge: how can scientists find the information they need for research among the vast amount of data available?

Are you interested in creating a fabulous science pitch? Neurospyschologist Liza Cornet - winner of the National Famelab Science Pitching Competition 2020 shares 3 tips based on personal experience that can help you design your pitch.

Brain scans, heart attacks and credit scores: many science applications revolve around data. But how do you mine applicable insights from a mountain of data? In a Bachelor Honours Class, students discover how data science can contribute to their discipline.

Citizens still see great value in science communication and want to be increasingly involved in science. This is evident from research by the National Expertise Centre for Science & Society (NEWS) and researchers from the Science Communication and Society department at Leiden University.

The thesis is a major milestone for master students graduating in Political Science. It demonstrates their ability to conduct research independently and to provide a thorough, objective and sound analysis. That requires instruction, discussion, thinking and hard work. Lots of it. In some cases this…

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…

Tradition has it that at the end of each academic year, the best master’s thesis in Political Science is awarded a prize. For 2021-2022, the jury is considering six nominations. All of great quality, but on different topics. These range from political party bans to questions regarding commitment within…