The law and Artificial Intelligence (AI) applications need to be better aligned to ensure our personal data and privacy are protected. PhD candidate Andreas Häuselmann can see opportunities with AI, but dangers if this does not happen.

‘All the groceries, but not a fig for young workers’, read a banner during the occupation of Ahold’s headquarters in 1981. ‘For a long time, young workers were not taken seriously, but they managed to put themselves on the map’, says historian Rosa Kösters.

Five consortia within the Perspectief programme that include Leiden researchers have received funding to start their research projects. These projects focus on (further) developing technological innovations, with societal and economic impact at their core.

At the end of March, the Voice of the Child conference launched three films on children’s hearings in European family law courts to support judicial training in child-friendly justice. Researchers from Leiden University have developed a training manual to accompany courses in the EU.

What do bats do at night when they’re not hunting? Using tiny GPS trackers, Leiden researchers discovered that pond bats spend a substantial portion of the night resting – often outdoors. This surprising insight could change the way we protect them.

Young people in forensic practice navigate between street culture, digital networks and care; worlds that are increasingly intertwined. This calls for a different way of seeing and acting. Dual PhD candidate Jeffrey Jhanjan explores how professionals can better understand and support these young peo…

While the Netherlands was in lockdown because of the coronavirus, PhD candidate Koen Rijpkema began his research into the same virus. In the lab, he developed molecules that can inhibit an important viral enzyme.

Sociale veiligheid in promotietrajecten staat nationaal en ook bij de Universiteit Leiden hoog op de agenda. Toch blijkt het in de praktijk lastig om structureel ruimte te maken voor dit thema, juist vanwege de complexe en hiërarchische verhoudingen binnen de academische wereld. Tijd om daar wat aan…

Even when a border has officially disappeared, it is still people who decide whether others may cross freely. This was also true for the Polish-German border, where PhD candidate Maryla Klajn spend six months conducting fieldwork.

Historian Seran de Leede delved into the life of Lie Alma (1909–1990), the courageous woman from the Dutch province of Drenthe who spoke out against fascism in the 1930s and remains a source of inspiration to this day.

Third-year Security Studies students tackle real-world security challenges for organisations such as Microsoft, the NCTV and Schiphol. From AI and human smuggling to international cooperation, they present their recommendations to professionals in the field.

Helping industry to spot dangerous and climate-harming gas leaks faster, cheaper, and more reliably than today’s tools: that's what Leiden University and BigCircle Ventures set out do in a new spin-off company.

On Thursday, the 19th of March 2026, students and staff had the chance to partake in the second full-day workshop organized by the Leiden Center for the Study of Ancient Religions (L*CeSAR). This edition was centered on the role of the environment in relation to religion in antiquity.

Connecting as the magic word. Seeking new collaborations, presenting ourselves to the outside world with an open attitude and showing what we do. During the opening of the academic year on Tuesday afternoon, Dean Jasper Knoester emphasised that change and connection are necessary for the university…

How do fats and enzymes in the brain contribute to multiple sclerosis? In his PhD research, Daan van der Vliet combined chemistry and neuroscience to gain new insights into how brain disorders develop.

During an inspiring meeting at the Health Campus The Hague on 2 April, Jan Anthonie Bruijn and Jet Bussemaker reflected on their experiences in politics and looked ahead to the future of Dutch healthcare.

Injections can be a source of stress and anxiety for children. The Willem-Alexander Children’s Hospital is exploring ways to improve the experience. Together with illusionist Victor Mids and researchers from Leiden, they have shown that magic can help.

The Hague has positioned itself as a vibrant student city, and with its growing student population is well on its way to becoming one. But the student housing market is struggling to keep pace.

The valedictory lecture of former rector magnificus Hester Bijl was buried on Tuesday 12 May in the garden of the Kamerlingh Onnes Building (KOG). Where did this young, and slightly eccentric, university tradition come from?

As a student, you’re expected to write papers and collaborate. But how do you do that if you’ve never been taught? Thanks to the Grassfields grant, the Science Skills team can scale up its Skill’Ed project and finally provide students with structured support in essential skills.

From loading the dishwasher to packing the car: good spatial ability is always useful. How do children develop this skill in primary school? Researchers from Leiden University and TU Delft are investigating this. ‘We want to create a meaningful toolbox for teachers.’

With a full auditorium at the university's Wijnhaven campus, an extensive programme, inspiring speakers and visitors from a wide range of disciplines, all the ingredients were in place for a successful second edition of the Nacht van de Digitale Veiligheid of Digital Security on 26 May 2026.

Wie empathisch glimlacht om iemands geluk of fronst om iemands leed, stijgt in aantrekkingskracht. Andersom maakt glimlachen uit leedvermaak iemand niet minder aantrekkelijk. Roujia Feng promoveert 26 mei op onderzoek naar de sociale gevolgen van het uiten van (contra)empathische emoties.

As geopolitical tensions rise and the international landscape becomes increasingly volatile, the Netherlands faces a growing range of threats, from cyber attacks and disinformation to foreign interference and social unrest. In the new executive programme Strategy and a Resilient Rule of Law, researchers…

How is the EU transforming from a soft power to a geopolitical actor, and what does this mean for the EU’s partners and global security? On Friday 13 December, a roundtable discussion offers students insights into these evolving dynamics, bridging theory and practice.

Those who consume the most also cause the most damage. The 10 per cent of the world’s population who consume the most cause up to $5.7 trillion in environmental damage annually, according to new research from Leiden University.

Workshop brings multidisciplinary experts together to produce interdisciplinary outcomes on the EU’s Proposal for a Regulation to prevent and combat child sexual abuse.

Arts and leisure, Arts and leisure

Arts and leisure, Personal development, Language, Arts and leisure

Lecture, Astronomy on Tap

Lecture

Symposium

Arts and culture, Q&A

Lecture, LUCIS What's New?! Series

Lecture, Sociolinguistics & Discourse Studies Series

End of Year Event

Lecture, LUCIS What's New?! Series

Lecture, Astronomy on Tap

Lecture, Book Talk

Workshop

Roundtable

Panel discussion

Study information, Online Experience

Film screening and panel discussion

Alumni event, Career event

Study information

Study information

Study support

Lecture, Harold Linnartz Astrochemistry Prize lecture