This project, South American population history revisited: multidisciplinary perspectives on the Upper Amazon (SAPPHIRE), investigates population dynamics in western South America on the basis of traces in the geographical, genetic, archaeological, ethnological, and linguistic record.

Machine Learning is becoming a more and more substantial technology for industry.

This project investigates how early print media covered distant but urgent geopolitical conflicts, using newspapers from the Low Countries, north and south.

Four students who completed the Bachelor's in Security Studies share their experiences. What did they learn? Where did they end up after graduating? And do they still use the skills they acquired during their studies?

On Friday 16 May Juul Eijk successfully defended a doctoral thesis and graduated.

This PhD project mainly investigates in what way (i.e., serial or parallel mode or other mode) the parser processes the Mandarin Chinese. In addition, are there any specific linguistic features governing the decoding of Mandarin Chinese that are different from other languages? Are there any processing…

Monica den Boer, who has decades of experience within police and defence and was also active as a Member of Parliament (D66), has been appointed extraordinary professor of Police Studies.

The Schengen Agreement has resulted in systematic border controls between EU Member States largely ceasing to apply. Solutions for the associated security risks are often sought in information technology. Tim Dekkers investigated how such technology is applied in this context and will defend his PhD…

Today’s socio-economic challenges aren’t new. In the centuries after the retreat of the Roman state people with different backgrounds and with different ways of life somehow managed to build and maintain a complex economic system in northern Gaul that would produce the ruling dynasties of Europe. By…

The Persian Empire (539-330 BCE) was the first world empire in history. At its height, it united a territory stretching from present-day India to Libya - and it would take 2,000 years before significantly larger empires emerged in early modern Eurasia. This territorial sweep is both a source of fascination…

The project explores the impact of the clash between defenders of a rules-based order and international law on global governance and the future of legal systems.

Is the legitimacy of law and governance of multilevel jurisdictions diminishing? What is the significance of (diminishing) legitimacy for the effectiveness of law? These kinds of questions about the legitimacy of the supranational formation of law, its application, and the policy and governance based…

Below you will find an overview of all PRE-Classes provided by the various programmes of Leiden University. For each section, you can find a description of the content and more specific information about the requirements for participation in the Class.

It is often claimed—in both scholarly and popular sources—that guide dogs for the blind are a modern innovation. But as this project demonstrates clearly, guide dogs also existed during the medieval period.

The toe bone of a prehistoric deer carved with lines by Neanderthals 51,000 years ago is one of the oldest works of art ever found, according to a study released Monday. Leiden archaeologist Dr Andrew Sorensen, not involved in the study, reacts on the find in a news article by NBC News.

This collection of essays explores processes of innovation in Greco-Roman technology and science.

What was the stringed instrument known in medieval and early Renaissance Italy as “cetra”?

Until the 1990s, the only known planets were those in our Solar System. Three decades later, several thousand exoplanets have been discovered orbiting stars other than the Sun, and substantial efforts have been made to explore these strange new worlds through spectroscopic analyses of their atmosphe…

Sarah Giest and Annemarie Samuels, both Assistant Professors at Leiden University, researched the quality and coverage of the data being collected for policiymakers to be used, specifically pertaining to minority groups.

Does hegemony—legitimated rule by dominant power—have a role in ordering world politics of the twenty-first century? If so, what form does that hegemony take: does it lie with a leading state or with some other force? How does contemporary world hegemony operate: what tools does it use and what outcomes…

International trade has played a major role in defining the modern global economy. Trade, however, entangles the environmental pressures of economic sectors, giving the illusion of environmental improvements, while the opposite may be occurring.

What was the stringed instrument known in medieval and early Renaissance Italy as “cetra”?

The Faculty of Archaeology's own home-grown journal Inter-Section has released a new volume. Inter-Section offers students and PhD candidates the unique chance to publish in a peer-reviewed journal. The new volume focuses on the materials that shape our world.

Exchanges between different cultures and institutions of learning have taken place for centuries, but it was only in the twentieth century that such efforts evolved into formal programs that received focused attention from nation-states, empires and international organizations.

How were Spanish commanders fighting in the Low Countries between 1567 and 1577 portrayed in Spanish and Dutch narrative sources during the Eighty Years War?

Lange tijd wisten we ons thuis in een wereld die we meenden te hebben. Het bestaan in deze vertrouwde wereld vormde onze existentie, die we op een eigenlijke wijze op ons namen. Thans is de wereld echter niet meer wat hij was, en zijn we ook zelf niet meer wie we waren. ‘De wereld is weg’, zo dichtte…

The LUCL has a new Scientific Director. Professor Sjef Barbiers took over the reins from Lisa Cheng with effect from 1 January. 'This is a great opportunity to contribute to a wonderful institution.'

Professor Antje Wessels has received an NWO Open Competition grant to research fragmentary texts.

How do you study the growth of microorganisms, the spread of epidemic diseases or the healing of wounds, without actually performing experiments? Daoyi Wang, PhD candidate at the Mathematical Institute, worked on a specific mathematical model that can describe the growth of microorganisms and many other…

Rahul Gandhi, former president of the Indian National Congress, was on the Hague Campus on 10 September.

By making use of artificial tax arrangements via the Netherlands and other countries, corporations and wealthy individuals worldwide together manage to avoid paying $472 billion in tax.

After years of development, the moment has finally arrived: a massive cryostat, a highly advanced freezer that keeps the sensitive components extremely cold, has arrived in Leiden from Zurich. The device is the largest component of METIS, one of the first instruments for ESO’s Extremely Large Telescope…

Hydrogen can help to solve the climate problem. At least, if we start producing it in the right, clean way. Leiden researchers mapped out the global environmental impact of hydrogen production and looked ahead to 2050. They published their work in Energy & Environmental Science.

The starting point of Hermans' research is how both children's physical play and dance improvisation by professionals can be considered somatic practices where sense-making manifests itself in and between bodies, and through movement.

Postdoc Intigam Mamedov comments in The Conversation on the recent peace talks between Russia and the USA regarding the war in Ukraine.

The Swahili coast has a long-standing history of transoceanic Islamic connections dating back to the 25th century. Yet, print, has changed the world – not only ours. This project unravels unique forms and archives of intellectual history emerging from within South-South connections. In East Africa Indian…

On Monday, 27 November 2017 the report 'Pre-trial detention of juveniles in practice' has been published. The report is compiled by researchers from the departments of Child Law and Criminology of the Leiden University.

This book presents a new perspective on skateboarding, centred on the senses, skill acquisition, embodiment, and the concept of

How did people across Central and Eastern Europe imagine the future during the transitions of the 1980s and 1990s? The umbrella term ‘post-communism’ does not provide an answer to this question. This project explores how writers and cultural theorists saw the potential future of their societies during…

The BOCA project explores new forms of communicating academic knowledge as a way to strengthen the connection between the university and society.

A linguistic prehistory of the Tarim Basin in Northwest China