Prisoners who are visited regularly by family or friends are less likely to be reconvicted in the short term than inmates who rarely or never receive visits. Visits should therefore be encouraged and facilitated, according to PhD candidate Maria Berghuis, who will defend her doctoral thesis on 23 June…

Thomas Moerland studied medicine and mathematics in Leiden and has a lifelong fascination with the origins and workings of intelligence. He brought all that together in his popular science book Van IQ naar AI (From IQ to AI).

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.

Promotors: Prof.dr. P.G.L. Klinkhamer, Prof.dr. P.M. Brakefield

Researcher and lecturer Susana Valdez investigates how migrants make use of online translation technology in medical situations. Her research suggests that they often encounter obstacles when using machine translation in these settings. Potential problems include a lack of understanding or trust.

People who move most in the afternoon and evening are less insulin resistant than people who move mainly in the morning or spread throughout the day. This makes them at lower risk of type 2 diabetes. These are the results that researchers from the Leiden University Medical Center (LUMC) have published…

Law firm Ficq & Partners has pulled out of the Marengo trial in the Netherlands. It claims that the use of a crown witness entails ‘unmanageable risk’. Do the advantages of the crown witness scheme outweigh the risks? Jan Crijns takes stock in Dutch newspaper ‘Trouw’.

On 26 September 2023, Carlotta Rigotti was invited to give a talk on the regulatory impact of the AI Act on AI applications for recruitment and selection, during the AI Lund Fika-to-Fika Workshop on Regulating High Risk AI in the EU.

The proceeds of the Leiden University Science Run on 28 September will go to Scholars at Risk, a section of the UAF that assists refugee scholars. One such scholar is Leiden PhD candidate Lety Elvir Lazo from Honduras.

Pauline Schuyt, Professor of Penal Law and Sentencing, spoke on Dutch current affairs programme ‘EenVandaag’ about the stark rise in combination punishments that include penal hospital orders (in Dutch: terbeschikkingstelling, TBS) and custodial sentences. Since 2019, the number of combination punishments…

The environmental risks of new pesticides containing nanoparticles are inadequately researched, according to four Leiden scientists in the scientific journal Environmental Science & Technology. They call for an examination of the long-term and environmental effects of pesticides containing nanoparti…

At the annual research day (‘toogdag’) of the research programme Effective Protection of Fundamental Rights in a Pluralist World (EPFR), researchers reflected on the growing threats scholars face due to political repression, conflict or displacement, and how to protect them.

Watching and analysing hundreds of TEDx talks, that too can be research. That becomes clear from the work of PhD student Aletta Meinsma, who is studying potential problems in popular communication about quantum technologies. She explains how she approaches this and why it is so important.

Francien Dechesne, Associate Professor at eLaw, contributed as an expert to the advisory report of the organisation AlgorithmAudit, which was presented to the Dutch Minister for Digitalisation Alexandra van Huffelen on Wednesday 29 November 2023. The report contains a number of concrete norms to avoid…

Is the current existing legal framework on compulsory and voluntary care - for vulnerable young adults (between the ages of 18 to 23) - in need of revision? And if so, what kind of amendments would be advisable?

What do you do when you get the chance to meet Nobel Prize winners in your field? You say ‘yes’, of course! Two young chemists from Leiden had the opportunity to attend the Nobel Laureate Meeting in Lindau, Germany. They share what the experience was like.

This thesis describes the role of pollution, specifically neonicotinoid insecticides, as an actor of the ongoing biodiversity decline.

The organisers of the big protest march against government policy, held on Sunday in Amsterdam, want to bring preliminary relief proceedings against the refusal to allow British conspiracy theorist David Icke to enter the Netherlands. Icke was due to give a speech at the meeting of the organisation…

Are you a night owl or a lark? Your lifestyle can affect your health more than you might think. PhD candidate Wietse in het Panhuis is researching this with the aid of jet-lagged mice. He explains in a Science Shot podcast

Having a chronic somatic condition can result in a variety of impairments in patients’ daily lives, including not only physical complaints such as pain, itch, and fatigue, but also problems of negative mood and impairments in social relationships. Next to disease characteristics, individual difference…

Alanna O'Malley, Associate Professor at Leiden University Institute for History, talks about the possible expelling of the Russian ambassador Yuriy Filatov and the risks that come with the decision.

Professor of Ecotoxicology Martina Vijver of the Institute of Environmental Sciences has given a public talk at Paradiso Amsterdam for Science & Cocktails on 4 March 2019. Her presentation was called: 'The added value & added risk of size: nanomaterials'.

Politicians in The Hague were in for an unpleasant surprise when the interview with CDA politician, and also current Dutch Foreign Affairs Minister, Wopke Hoekstra was published. Especially Hoekstra’s suggestion to let go of the Government’s target to reduce the amount of nitrogen by 2030 raised some…

In the summer, the government fell over migration. The more conservative course of the VVD went straight against the more progressive course of the smallest governing party. New elections were called for 22 November. This meant that the incumbent government would present a new budget just before the…

Computer says no: end of story. Twenty years ago, a hilarious line in the British TV series Little Britain, now a reality. We all blindly follow technology at times, with varying consequences. For ISGA lecturer and researcher Daan Weggemans, it's a subject worthy of a PhD.

In a new episode of The Digital Period podcast, Gianclaudio Malgieri, Associate Professor at eLaw, discusses vulnerability and data protection. He explores how power, intersectionality, and value-based design can support more empathetic and participatory technologies.

Tuberculosis stands as one of the most lethal infectious diseases worldwide. A significant challenge in combatting tuberculosis lies in the emergence of antibiotic resistance triggered by genetic alterations, commonly known as mutations. These mutations can diminish the responsiveness to antibiotics,…

Wouter Halfwerk and colleagues from Panama and the US published a paper on multisensory communication in Science. The authors provide compelling data on the consequences of multisensory perception on signal evolution in tropical frogs.

Due to gaps in working conditions regulations, airline pilots and crew are suffering from fatigue and inadequate protection in general. Leiden PhD student Yuran Shi investigated how international law can help improve working conditions and safety in the aviation sector.

This thesis is based on five papers on several topics.

Young people tend to take more risks than children or adults. This trend is related to the reward centre in the brain, which is much more active when they are rewarded, PhD candidate Barbara Braams discovered. Personality, testosterone levels and social context also play a role in risk-taking.

On Monday-Wednesday 10-12 June 2019, Jeroen Wolbers, Wout Broekema and Sanneke Kuipers represented the Institute of Security and Global Affairs (ISGA) at the fourth edition of the Northern European Conference on Emergency and Disaster Studies (NEEDS).

Taking part in TikTok challenges, online gambling, and forwarding nudes. ‘Why do adolescents take online risks?’, psychologist Neeltje Blankenstein wonders. Her research on online risk taking has been awarded a Veni grant by the Netherlands Research Council (NWO). Read her answers to five questions.

Tijdens het tweede college in de reeks van drie over het Nederlandse crisismanagementsstelsel, staat de vluchtelingencrisis centraal. Hans Zuidijk, directeur van de Veiligheidsregio Hollands-Midden, is vrijdag 2 juni een van de gastsprekers en licht alvast een tipje van de sluier op waar hij het over…

Developmental psychologist Barbara Braams has moved to Harvard University to study social influences on adolescents’ decision making in risky and ambiguous situations. NWO awarded her a Rubicon grant for talented scientists who have recently obtained a PhD.

PhD defence

PhD defence

When Russia attacked Ukraine in the night of 23-24 February, alumnus Joost Bunk, who was working as a diplomat in Russia, knew that everything would change.

Lecture, Symposium

From filtering UV light in sun cream to preventing perspiration odour in socks and sterilising fridges and washing machines. The use of nanoparticles in products is increasing. But what is the impact of these miniscule particles on the environment?

Discover the unique Vital Interests course in the BSc Security Studies programme, featuring an inspiring session on climate diplomacy with Dutch UNFCCC negotiators.

PhD defence

PhD defence

PhD defence

PhD defence