The brains of adolescents react more responsively to receiving rewards. This can lead to risky behaviour, but, according to Leiden University research, it also has a positive function: it makes learning easier. Publication in Nature Communications.

This year a record number of students - more than 3,500 - will be taking part in the EL CID introduction week. Who are they and why did they opt for Leiden University? 'I want to get the absolute most out of my student time.'

In high school, Tim van Erven read about an artificially intelligent algorithm that could solve mazes. From that moment on, he was sold: ‘There’s something magical about algorithms. With a list of fixed rules you can make them learn the most diverse things.’ This year, he won a Vidi grant, which he…

Listening to birds and helping science, it is possible. Institute of Biology Leiden (IBL) researchers Karan Odom and Katharina Riebel launched a citizen science project to improve the worldwide documentation of female birdsong.

Large-scale forest fires started by prehistoric hunter-gatherers are probably the reason why Europe is not more densely forested. This is the finding of an international team, including climate researcher Professor Jed Kaplan of the University of Lausanne and archaeologist Professor Jan Kolen of Leiden…

Past objects offer a wealth of information about life in earlier times. Loe Jacobs is an expert in making earthenware objects, using the same methods and means used in earlier times.

Leiden archaeologists investigate how people in the past impacted their environment. Together with scientists, environmental scientists, and humanities experts, they use this information to draw conclusions about the present – and show what we can learn from it for the future.

Under Dutch law, like German or English law, the violation of a statutory provision does not establish civil liability for damage caused to another person. Such liability requires that the statutory provision concerned aims to protect against the damage or, put differently, that the harmed interest…

Over recent years Leiden University has taken some significant steps forward in innovation in teaching and learning and in diversity. But there is still a lot to be done. These were the comments by governors, lecturers and scholars during the farewell seminar for Vice-Rector Simone Buitendijk on 27…

Mapping out the problem of plastic pollution requires a lot of data over a large area. That's why scientists are increasingly turning to volunteers for help, also known as citizen science. But what are the challenges for a researcher when he or she involves the public in research in this way? Four Leiden…

A monumental and extraordinary Early Iron Age Hallstatt C barrow from the ritual landscape of Oss-Zevenbergen

Leiden University commemorates its victims of the war and pays tribute to all members of the university community who resisted injustice. Rudolph Cleveringa, for instance, the dean of the law faculty who gave a protest speech in 1940 after his Jewish colleagues were fired. We honour their memory through…

New book on Dutch mayors governing local order and public safety.

This study aims to provide a long time perspective of human landscape manipulation. Studying the roles of prehistoric foragers in past ecosystems is of great importance to establish the character of past 'natural' landscapes and to enhance the management of current ones.

The Human Origins group at Leiden University studies the archaeology of hunter-gatherers, from the earliest stone tools in East Africa, more than three million years old, to the origin of sedentary societies towards the end of the last ice age.

The Business & Liability Research Network (BLRN) – a partnership between the Company Law department and the Business Studies department of the Leiden Law School – presents the call for proposals for a new book project on the topic of Corporate and Organizational Decision-Making. Submissions are welcomed…

Mooc Eu Policy Europe Europa

Behavioral and neural mechanisms underlying risky decision-making in adolescents

The publication Making Matters - A Vocabulary for Collective Arts marks the end of the NWO project 'Bridging art, design and technology through Critical Making', led by Janneke Wesseling and Florian Cramer. The book contains the outcomes of this project.

What are the goals of healthcare? That very question must be asked more frequently before healthcare-related choices are made. This is what Martine de Vries, Professor of Normative Aspects of Medicine, advocated during her inaugural lecture on Friday, 2 November 2018.

At the conference Surrealism and Scotland on 23 and 24 March, Janice McNab will share the paper ‘Surrealism and the making of Mother’.

Impossible Situations: Concerts in the Making recounts the journey of a group of artists including performers, composers, an architect, a photographer and a sound engineer, as they explore different ways of making music together.

Data and information should be stored in a way that computers can understand, says Barend Mons, professor of Biosemantics at the Leiden University Medical Center and Chair of the High Level Expert Group for the European Open Science Cloud. We speak with him about FAIR data, knowlets and nanopublicat…

The three-day conference will be held at the Ministry of Antiquities in Cairo from the 29th of September until the 1st of October 2019 with the title: The Walking Dead II: The Making of a Cultural Geography. It is organized by the Dutch National Museum of Antiquities (RMO) and Leiden University.

In the world of Ancient Greece the interpretation of supernatural signs was a versatile tool to facilitate decision-making. This is the central hypothesis of the PhD dissertation of historian Kim Beerden. Defence on 14 February.

The importance of digitalization has become even more evident during the Corona crisis. Society and the Dutch economy are therefore rapidly digitizing. This calls for a good balance between seizing opportunities and reducing risks.

Tineke Schutte made her debut as beadle at Maartje Schoorl's inaugural lecture on 29 April. A unique moment because she's the first female beadle in the history of our university.

The Dutch government will be unable to make wearing face masks mandatory in public spaces in the short term, according to three constitutional and administrative law experts in NRC newspaper, including Wim Voermans.

Scientists need individual photons for quantum cryptography and quantum computers. Leiden physicists have now experimentally demonstrated a new production method. Publication in Physical Review Letters on July 23rd.

Rogier Creemers is a lecturer in Modern Chinese Studies. While he looks for challenges in his lectures, in his free time he much prefers to go back to basics and work with his hands.

International prosecutors, for instance at the International Criminal Court in The Hague, investigate particularly serious crimes such as genocide. They decide, among other things, whether or not to prosecute. PhD candidate Cale Davis investigated how prosecutors come to such decisions and will defend…

It was a huge task, but it was worth it: Marieke Liem and her research group have completed a database of all murders committed in the Netherlands over the past 25 years. She will share their initial findings in a three-part lecture series organized by Studium Generale. ‘Beggars kill other beggars;…

Nanoplastics influence the behaviour of larval zebrafish, says new research by the Institute of Biology Leiden (IBL) and the Institute of Environmental Sciences (CML). The researchers observed that a certain type of nanoparticles leads to stress reactions in the sugar balance, resulting in hyperactivity…

Artificial intelligence systems are smart. They can recognize patterns better than humans, for example. Yet humans are still very much needed. How can you better steer those AI systems? LIACS lecturer Jan van Rijn wrote a book about this together with a number of colleagues. We asked him a few quest…

Political scientist Rebekah Tromble (Leiden University) has been appointed as an academic advisor to the Social Science One research commission. She will assist the commission in its new partnership with Facebook, which aims to facilitate in-depth studies of the role of social media in elections and…

Two Vidi subsidies for Faculty of Archaeology.

Artificial intelligence systems are smart. They can recognize patterns better than humans, for example. Yet humans are still very much needed. How can you better steer those AI systems? LIACS lecturer Jan van Rijn wrote a book about this together with a number of colleagues. We asked him a few quest…

It takes years to develop new medicines, from the test tube to trials in humans. During the process it often happens that a drug that seems promising in the initial stage has to be dropped in a later phase. This costs time and money. Leiden University and the LUMC are working closely together to make…

The government spends millions regulating companies that work with large quantities of hazardous substances. But we don’t know whether this is making the industry safer. The number of violations and incidents remains constant. This is the conclusion of external PhD candidate Rob in ’t Veld in his dissertation.…

Astronomer and science communicator Pedro Russo is awarded the K.J Cath Prize and € 2,500 for his outreach efforts that bring science to the general public. ‘There are so many bright scientists, and so few people communicating about science.’

How is it that the internet works so well, with billions of users sending millions of gigabytes all together every day? That's because the foundation of the internet is solidly set up. Yet sometimes there are problems on the internet. For example, when certain systems misbehave and disrupt the routing…

Mining for natural resources harms the environment. But we desperately need them, for both the development of countries and the transition to a sustainable energy system. Professor of Sustainable Resource Use Ester van der Voet researches how we can reduce the environmental impact of natural resources…