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Find out how to apply for Comparative Criminal Justice (MSc) at Leiden University by following our step-by-step guide.

Find out how to apply for ICT in Business at Leiden University by following our step-by-step-guide. NOTE: in September 2025 this master programme will become _Computer Science and Business Studies_, i.e., a new Business Studies specialisation of the existing master Computer Science programme. The curriculum…

Find out how to apply for ICT in Business and the Public Sector at Leiden University by following our step-by-step guide. Note: in September 2025 this master programme will become _Computer Science and Business Studies_, i.e., a new Business Studies specialisation of the existing master Computer Science…

Find out how to apply for ICT in the Public Sector at Leiden University by following our step-by-step guide. Note: in September 2025 this master programme will become _Computer Science and Business Studies_, i.e., a new Business Studies specialisation of the existing master Computer Science programme.…

Robotics, using social mechanisms like hormonal modulation, may accelerate our understanding of core sociality principles. By looking at social robotics through an evolutionary lens, we propose this field as a promising framework to investigate the fundamental bricks of sociality from an evolutionary…

The availability of indicators based on social media has opened the possibility to track the online interactions between social media users and scholarly entities.

Sanne Kellij and colleagues systematically reviewed 142 articles, examining evidence for three hypotheses on the relation between victimization and social information processing.

After an initial suggestion of a move toward Israel, India’s Prime Minister Modi has signaled a significant recalibration of his government’s engagement with the Middle East region. Now, India seems to be prioritising strong ties with the Gulf states.

How does task context affect children’s word productions?

Alzheimer's disease (AD) is the most frequent neurodegenerative disorder and the primary cause of dementia. The neuropathological features of AD include the occurrence of senile plaques, neurofibrillary tangles, decreased synaptic density, and loss of neurons. An obstacle in the study and treatment…

This paper written by Vydra and Kantorowicz answers the research question ‘What policy-relevant information does Twitter contain?’ as well as the research question ‘How does this information change between a period of normalcy and a period of crisis?’

How is the development of physiological responses to social evaluation in adolescence affected by other normative developments, such as pubertal, socio-cognitive and psychosocial development? Are social anxiety and public speaking anxiety associated with characteristic patterns of stress responses…

On 24 January 2024, Vethaak defended the thesis 'Empirical Analysis of Social Insurance, Work Incentives and Employment Outcomes'. The doctoral research was supervised by Koen Caminada and Pierre Koning.

Study information

On 26 juni 2018, Claire Achmad defended her doctoral thesis 'Children’s Rights in International Commercial Surrogacy: Exploring the Challenges from a Child Rights, Public International Law Perspective'. The doctoral research was supervised by Prof. Dr. Mariëlle Bruning.

Western thought has often dismissed shadows as fictional, but what if fictions reveal original truths?

Find out how to apply for Law and Society (MSc)  at Leiden University by following our step-by-step guide. 

Find out how to apply for Drug Discovery and Safety at Leiden University by following our step-by-step guide. NOTE: This specialisation will be integrated into the new specialisation ‘’Research in Bio-Pharmaceutical Sciences’’ as of September 2025.

Find out how to apply for Public International Law at Leiden University by following our step-by-step guide.

Are you thinking about studying this Advanced LL.M. International Children's Rights? Learn more and watch the videos.

A variety of age checks are required, both in order to protect children and to ensure that they can participate online, a new study funded by the European Commission finds. The article on the study, co-authored by Simone van der Hof, Professor of Law and Digital Technologies at eLaw, was published in…

An assessment of Libyan legislation

The Ra’s al-jinz project tackles economic diversification and social complexity in non-urban societies, from the perspective of Eastern Arabia, by exploring the Early Bronze Age settlement of Ra’s al-jinz RJ-3.

This book investigates the effects of brain lesions in the left hemisphere, specifically Broca's area, on the production and perception of vowels, of word tones and of the linguistic use of sentence melody.

On 24 May 2017, the Hazelhoff Centre for Financial Law welcomed Shen Wei, Dean and Professor of law at Shandong University School of Law in China, for the 14th Hazelhoff Guest Lecture.

Our mission: a positive impact. Our vision: community. By involving the world around us in our education and research we make a positive impact. We do this by applying Open Science.

The Social Assistance and Minimum Income Levels and Replacement Rates Dataset, assembled by Jinxian Wang and Olaf van Vliet (version December 2016), provides data on minimum income benefit schemes in 33 countries from 1990 until 2009.

Leiden University, Department of Economics

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The project explores the role of modernization theory in the development of two foreign and domestic service programs: the Peace Corps and Volunteers in Service to America (VISTA). The Peace Corps has long been understood as a modernizing effort in a Cold War context, and this project will further investigate…

Today, humanity produces sufficient calories, in theory, to feed the 7.7 billion people on the planet: the amount of food produced per person on the planet has gone up more than 40% since the 1960s. Yet, ironically, the prevalence of undernourishment – which had been declining for decades – has started…

The key question addressed in this family study is whether the psychophysiological and neurocognitive abnormalities often reported in SAD patients are heritable and can thus be found in family members of SAD patients as well. Determination of heritability of these deficiencies is essential for endophenotyping.…

In Sri Lanka, a prominent Singhalese Buddhist monk publicly proclaims that it is not a sin to kill Tamils. In Japan, the family register kept in a Buddhist temple and specifying the outcaste status of a lineage is provided to private detectives investigating the marriageability of a young woman. Throughout…

This catalogue is the result of the EU_CUL project (2018-2021), which explores the use of cultural heritage in Europe for fostering academic teaching and social responsibility in higher education.

La radicalisation est devenue un mot désignant notre monde en couleurs négatives. Ce livre cherche à comprendre ce que c'est que la radicalisation au Sahel et aux Pays-Bas?

Tracking early human behaviour through plant processing and -exploitation.

In this consortium CWTS (Leiden University) collaborates with two Swedish SMEs: Monocl AB and Recorded Future AB. Monocl AB delivers intuitive analysis software to Life Sciences professionals in support of strategic decisions and improvement of business performance. Recorded Future AB is an organization…

Intelligence of the crowd, or in other words, intelligence of a large, random collective, exists mostly in social media platforms such as twitter. The collective does not comprise (at least not necessarily) experts on crises, just regular people mostly. Nevertheless, there is valuable intelligence to…