The US-Israeli strikes on Iran have been welcomed by critics of the regime but have also prompted intense concern. They’ve triggered a dangerous domino effect across the region and beyond. Leiden experts share their insights on the potential consequences.

While tens of thousands of visitors dance to deafening music, a team of Leiden psychologists are trying to collect data for their research at Lowlands. How do festivalgoers experience a virtual trip? And what role do factors such as too little sleep and whether they have experience with psychedelics…

Masses of hamburgers, steaks, cheese and a lot of eggs: Americans love their animal products. But researcher Oliver Taherzadeh discovered that only a relatively small group of high-volume consumers need to modify their diet to achieve an enormous environmental gain.

Who holds rights to Greenland’s surrounding waters and natural resources? Which interests are at stake and for whose benefit? We put these questions to Hilde Woker, who specialises in the law of the sea in the Arctic.

Are international courts effective? Dr Fatou Bensouda, a former Lead Prosecutor of the International Criminal Court in The Hague (ICC), will discuss this issue during her lecture at the Owada Symposium 2025. The ICC’s efficacy depends on the actions of its member states, she says.

The layout of a dissertation must meet certain requirements. Special rules also apply if the dissertation was written with others or if a commercial edition will be published.

Since 1 January 2020 - with the transition to the Dutch Civil Code - the system of writing off leave has changed. When you take leave, the system automatically writes off the hours that fall due first.

How can the Netherlands help secure a peaceful future for Israel and Palestine? At a recent meeting at the university, two remarkable speakers shared their perspectives: Somaya Bashir, a Palestinian woman living in Israel, and Palestinian journalist, Houssam Khadra, who fled Gaza over a decade ago.

When the PhD research has been completed and the dissertation is (nearly) finished, there are several more steps to take before you can defend it. For example, you must submit your manuscript and make preparations for the PhD defence ceremony.

Leiden University has had a diversity policy since 2014. The aim is to create a diverse and inclusive learning and working environment for all students and staff. Diversity Officer Aya Ezawa updates us on the process and the results. It’s now 2022, what has already changed?