Foute taal? Bestaat niet!

Public Defence by Jaap Brouwer and activities of prof. Marcel Cobussen PhD, Dick de Graaf, Nizar Rohana, Brigitte Kovacs, Lilo Nein, Danne Ojeda, Hans Kalliwoda, Frank Blokland, and Thalia Hoffman

Tuberculosis bacteria survive by hiding in our immune cells. In her PhD research, biologist Salomé Muñoz Sánchez explores how boosting the body’s own defenses might outsmart this deadly pathogen. Her work reveals two key proteins that help immune cells destroy the bacteria.

The outbreak of coronavirus has radically changed our life and work. We have had to work, teach and conduct research from home. How has coronavirus changed your work? What do you miss most? And what is keeping you going? We asked a few colleagues.

Leiden Law School has developed a new course for the Royal Netherlands Marechaussee, bringing together scientific research and professional practice. The course starts on 5 February 2026 at the Centre for Professional Learning in The Hague.

In 2012, Swedish power company Vattenfall went to an investor-state tribunal in response to the decision of Germany to close three Vattenfall nuclear power plants on its territory. The tribunal now has to decide whether Germany’s decision is in accordance with the international Energy Charter Treaty.…

Kees Waaldijk has worked for many years to map the rights, or lack thereof, of the gay and lesbian community across the world. As he bids farewell to the faculty, those rights are under renewed pressure. How does he reflect on his career?

Met de voorgestelde Wet wil Defensie sneller kunnen inspelen op internationale dreigingen, door uitbreiding van kazernes en militaire oefenterreinen te realiseren. Universitair docent, Rogier Kegge, spreekt in EenVandaag over deze gereedstelling van Defensie en de rechtsbescherming voor omwonenden.

Het rapport van de Commissie Sorgdrager naar aanleiding van de Hawija-zaak, wijst uit dat Defensie niet transparant is over eigen fouten. Wim Voermans, hoogleraar Staatsrecht, bevestigt in Nieuwsuur dat ‘Defensie een patroon laat zien van verkeerd en onjuist informeren van de Tweede Kamer.’

How would you convert Egyptian hieroglyphs into Latin script? And what is actually the correct translation of dishes on a Vietnamese menu? On Saturday 28 January, high school students from all over the Netherlands will come to Leiden to ponder a series of language-related puzzles. Their goal? To win…

For his PhD, historian and army major Dion Landstra researched the effectiveness of observers in peace operations in the Balkans between 1991 and 1995. What risks are acceptable for bringing about and maintaining peace? Landstra will defend his PhD on 28 September.

Terwijl NAVO-landen hun defensiebudgetten fors verhogen, ontstaat ruimte voor start-ups om innovatieve technologie te leveren. De flexibiliteit en snelheid maken hen aantrekkelijk voor defensie, maar de opmars brengt ook risico’s met zich mee, waarschuwt Louisa Handel-Mazzetti, promovenda bij Lucht…

On Friday 2 June 2023, Vincent Delhomme, Assistant professor at the Europe Institute at Leiden Law School, successfully defended his PhD thesis entitled : ‘Regulating lifestyle risks in EU law: Promoting health in a diverse market’.

What makes peace missions succeed or fail? Which new technologies will determine the outcome of wars? In recent decades, insufficient use has been made of knowledge of modern warfare, when this is crucial to European security. This is what Frans Osinga, Professor by Special Appointment of War Studies,…

Virtual Reality komt steeds dichter binnen handbereik van docenten en studenten. Hoe zou Virtual Reality kunnen bijdragen aan de leerervaringen van uw studenten? Vrijdag 19 februari, kwam een groep van ruim twintig docenten en experts af op een bijeenkomst over deze vraag in Studiecentrum Plexus. Met…

Ups and downs for students from year 12 and/or vwo 6 who are selected for the Academic Challenge and the Dutch version of this challenge, the ‘Wetenschapscongres voor vwo’.

PhD defence

He has had to accept early retirement due to his military profession, or ‘FLO’ (Functioneel Leeftijdsontslag) as it is more commonly referred to within the Dutch Ministry of Defence, but the words ‘retirement’ or ‘winding down’ do not appear to be part of Frans Osinga's vocabulary. His appointment at…

Bezoek

Moderne oorlogsvoering kent geen grenzen. Dreigingen zijn steeds vaker digitaal. Promovendus Annelies van Vark stelt dat Scandinavië beter voorbereid is op gevaar. Zij pleit voor een sterkere rol van de krijgsmacht, herinvoering van de dienstplicht en paraatheid – óók bij burgers.

Frans Osinga has recently been appointed as Professor by special appointment of War Studies at the Institute of Security and Global Affairs in the Hague. Osinga is both professor and an officer of the Dutch Royal Air Force. Given current global developments, the concept of ‘war’ is far from an abstract…

Autistic people have problems communicating their borders towards the non-autistic community and often do not feel respected. To not only change daily life for autistic people, but also the scientific community from within Carolien Rieffe (Developmental Psychology) addresses this issue in her research…

Tussen de sterren is niet alleen leegte. Er zweven ook stoffen als methanol en koolstofdioxide. Chemische theorieën kunnen nog niet verklaren hoe die zijn ontstaan onder omstandigheden die dat juist onmogelijk zouden moeten maken. Fedor Goumans gaat met een Veni-beurs proberen die vraag te beantwoor…

During the guest lecture on 9 February, Jaap de Hoop Scheffer, Rob de Wijk and Frans Osinga discussed the situation in Ukraine and Taiwan. The crises in eastern Ukraine and the increasing tensions around Taiwan highlight the challenges the West faces in deterring aggression in the new era of key dynamics…

The West has missed several opportunities to prevent the invasion of Ukraine or, at the very least, to better support the Ukraine, claims Frans Osinga, Professor by special appointment War Studies.

In November, Leiden organized a book presentation to celebrate the first Dutch translation of the collected works of the twentieth-century poet W.H. Auden. A poetry translation contest added lustre to the occasion. There were no fewer than three winners.

The nineteenth-century writer Nicolaas Beets and his son Dirk were thoroughly colonial, Nicholas without ever having been to the Dutch Indies, or any other colony for that matter. But they didn’t realise it. The new Scaliger Professor, Rick Honings, shows that writers’ archives are a treasure trove…

Study information

Festival