Leiden researchers Arko Ghosh and Enea Ceolini analysed the usage data of hundreds of mobile phones and discovered that our body has rhythms ranging between 7 and 52 days. These cycles influence how we behave. Their research resulted in an article in npj Digital Medicine journal, a Nature Portfolio…

The PhD track involves many different aspects. As well as important administrative steps that you have to take, for example, there are also introductory activities, a training programme and opportunities for research abroad.

Lecture

People can be easily mislead with graphs. But they don’t necessarily stay misled, the research shows.

PhD defence

PhD defence

Integration of research and teaching is one of the ambitions of our vision on teaching and learning (Learning@LeidenUniversity).

Inaugural lecture

Inaugural lecture

In 2022-2023 eight (teams of) teachers received a Grassroots or Grass shoots grant. Here you can read about their projects.

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".

When structured properly, the data are easier to manipulate, analyze and visualize.

PhD defence

PhD defence

Personal development

Political scientists study topics that affect society, but their work often remains out of the spotlight. Not always: the research of Leiden political scientist Simon Otjes does have a visible impact.

Eighty years after its founding, the United Nations faces major challenges. Once established to prevent global conflict, the organisation now operates amid geopolitical tensions, prolonged wars and growing criticism. Joris Larik discusses this in Forbes.

Volgende week lanceren we de nieuwe podcast Mind the Gap, een initiatief dat studenten begeleidt bij de overgang van afstuderen naar hun eerste baan. Hosts Laura van der Plas en Loes Velthuis vertellen in dit interview meer over de podcast, waarin ze praktische tips delen voor een realistische en zelfverzekerde…

What do you derive your self-esteem from? Not a question you would quickly expect in a course on leadership. Lecturer Michel Don Michaloliákos opted for a unique approach to 'A Taste of Leadership', an Honours course with introspection as its core theme.

Voormalig demissionair staatssecretaris van Fiscaliteit en Belastingdienst Marnix van Rij gaf op 17 juni in samenwerking met universitair docent Esther Huiskers-Stoop een gastcollege over belastingrecht en duurzaamheid. Deze lezing werd op initiatief van student Darya de Wilt georganiseerd.

Het recente werkbelevingsonderzoek bood waardevolle inzichten in hoe medewerkers binnen FGGA hun werk en werkomgeving ervaren. Leidinggevenden gingen hierover in gesprek met hun teams. Wat leverde dat op?

Wim Voermans en Annemarie Drahmann namen op 13 februari deel aan het Rondetafelgesprek van de commissie Binnenlandse Zaken over de uitvoering van de Wet open overheid. De kernvraag van de bijeenkomst was de vraag 'Wat gaat goed en wat kan beter bij de uitvoering van de Wet open overheid?'

Ontdek je eigen gedrag en dat van anderen tijdens onze unieke teambuildingervaring, waar wetenschap, emoties en spelletjes samenkomen!

Huiselijk geweld is een ingrijpend probleem in Nederland, met jaarlijkse fatale gevolgen. De impact gaat verder dan alleen de slachtoffers zelf en raakt ook nabestaanden en de samenleving als geheel. Tot nu toe/Momenteel ontbreekt het echter aan een gestructureerde manier om fatale gevallen systematisch…

Grootschalige productie van batterijen voor elektrische auto’s zwakt de emissiereductie die door elektrisch rijden wordt behaald af.

Martine van Trigt, Head of Research Affairs, discusses how her team supports researchers with their research.

Het National Ocean Decade Committee heeft twee nieuwe leden benoemd van de Universiteit Leiden. Hilde Woker en Renate Reitsma zullen zich als leden van dit comité inzetten om het het belang van oceaanwetenschappen te promoten.

In nearly every Dutch primary and secondary school classroom, at least one child is bullied. The common perception is that the most popular child in the class is often the bully, while less popular children are more likely to be bullied. Is this image accurate? Bullying researcher Mitch van Geel knows…

Alumni event, Lezing

Inaugural lecture

Inaugural lecture

Inaugural lecture

Qualtrics survey software allows you to create online questionnaires for your research. It provides various question types, branch logic and the possibility to export results to statistical software, such as SPSS.

Drop-in session

PhD defence

PhD defence

PhD defence

On 2 April, the final of the Legal Tech Challenge 2026 took place in the Academy Building of Leiden University. During the final, teams of students pitched their technological solutions to societal challenges.

Inaugural lecture

Wouter Weeda has been appointed Scientific Director of the Institute of Psychology by the Board of the Faculty of Social and Behavioural Sciences. He will start on 1 December 2025 for a period of three years, succeeding Hanneke Hulst.

For the academic year 20265-2027, five (teams of) teachers will receive a Grassroots or Grass shoots grant. Here you can read about their projects.

If you have a plan that could improve the education or the learning environment of the Faculty of Humanities in terms of diversity or inclusion, you can apply for a grant from the faculty’s JEDI Fund. This year, Nasreen has been helping to develop a new syllabus for the first-year Ancient History co…