In the fall of 2021, Cleveringa professor Roméo Dallaire and world experts shared their thoughts about PTSD, children’s rights, war crimes, humanitarian law, and peacekeeping in a series of conversations about leadership and moral dilemma during times of conflict and crisis.

On 9 November, Jonathan Hak defended the thesis 'Non-textual evidence in international criminal prosecutions: discovering the best practices for audiovisual materials in a digital age'. The doctoral research was supervised by Carsten Stahn and Jens Iverson.

Since 2022, a higher proportion of people in the Netherlands have been victims of cybercrime than of 'traditional' crime. The Bachelor in Cybersecurity & Cybercrime trains you to become an all-round cyber expert, equipping you to take on the fight against cybercrime.

The research group on Diplomacy and Global Affairs studies international diplomacy, international organisation, global, transnational, multi-level and comparative governance.

In recent years, the use of primary data in terrorism research has increased. In order to maximise the benefits of this trend, we want to encourage terrorism scholars to implement open science practices more systematically. This article therefore presents different avenues towards open and reproducible…

LIACS is a partner in RISE_SMA, an interdisciplinary, international network combining excellent scholars and practitioners to enable vigorous knowledge sharing and to develop solutions for contemporary challenges for Social Media Analytics (SMA).

Microbial rhodopsins are photosensitive pigments implemented in the growth and adaptation of a large population of microorganisms.

The first phase of the construction of the new building for the Faculty of Science is finished. The Cell Observatory of the Institute of Biology Leiden will be moving to the new building on the 19th of May.

The university campus at Leiden Bio Science Park will change rapidly over the next few years. A short film shows the transformation to a full campus. See what this mix of new university buildings, student accommodation and restaurants and cafés will look like. And sustainability and biodiversity won’t…

The MORE project covers the development of the new entrance area for the Leiden Bio Science Park. Partners Leiden University, the Municipality of Leiden and the Amstelveen-based development agency Yisheng signed the agreement on 18 March, marking the official start of the project.

The Citizen Science Netherlands (CS-NL) network was officially launched this month with the aid of an Open Science NL grant. The new vision for this network was presented on 28 May.

Reprohack, an initiative from community members, won the Open Initiative Trophy on 11 February, a prize for the best open science initiative in the Netherlands. A Reprohack is a hackathon-like event where participants repeat research to see whether the results were reproducible.

In a survey held last year by the publication Elsevier, Leiden's Computer Science programme was voted by students as the best university programme of its kind in the Netherlands. And the Rotterdam Economics programme was voted the best in its field. Leiden University now offers a combined study based…

The title of European City of Science was officially handed over to a delegation from Leiden in the Italian city of Trieste on 6 September. Leiden will be the science capital of Europe for the year 2022. The EuroScience Open Forum (ESOF), the largest interdisciplinary science conference in Europe, will…

Science is under pressure and ‘alternative facts’ are increasingly being taken as truth. On 22 April, scientists will let their voices be heard on Museumplein in Amsterdam, for anyone with a passion for science. Zsuzsika Sjoerds is co-organiser of this March for Science and explains why knowledge is…

New funding instrument to stimulate Open Science

From 1 January 2017, Professor of neurocognitive developmental psychology Eveline Crone has been appointed member of the Social Sciences Council of the Royal Netherlands Academy of Arts and Sciences (KNAW).

A team of Leiden researchers has received the Ammodo Science Award for conducting innovative humanities research into the experience of cultural heritage. They investigate how 'play', such as the video game Minecraft, can contribute to a deeper understanding of the past.

Mateo Cohen (research assistant at the Open University of Israel and PhD candidate at Leiden University’s Institute of Political Science) studied arguments articulated by diverse members of the Right-Wing elite in Israel and explains how these views lead to the rejection of a two-state solution and…

Leiden University strengthens the collaboration with the Chinese Xi’an Jiaotong University. The Chinese delegation visited the Faculty of Science to talk about collaborations in the field of life science and data science.

As many as seven first-year students from the Faculty of Science were honoured as young talents. In addition, the Royal Holland Society of Sciences and Humanities (KHMW) also lauded three master's students and an astronomy project during a vibrant ceremony on 28 November. Professor of Science Communication…

Data Science seminar at the Faculty of Governance and Global Affairs

As of 1 September 2024, Thed van Leeuwen is professor by special appointment of the chair “Monitoring Open Science Policies and Practices” at the Centre for Science and Technology Studies (CWTS) at Leiden University. The mission of the chair will be to understand the changes in policies and practices…

A large delegation composed of 11 delegates from institutes from the Faculty of Science has made an extensive visit to China and enhanced Leiden’s influence in the Chinese academia, industry and local government.

Just a few weeks until a festival full of exciting science activities bursts into life in Leiden. From January the city will be European City of Science for 365 days. Many researchers are enthusiastic participants. ‘I see it as an opportunity to help people feel the joy of discovering something new…

Is scientific research useful? In his dissertation, Jorrit Smit argues that in order to answer this question one should not look at, for example, prominent scholars or influential organisations, but at places where knowledge exchange and co-creation take place. Promotion 6 May.

How do we get better at detecting research errors? And how do we ensure that we no longer see those errors as evidence of our inability, but as keys to better and more reliable research? Scientists offer advice during the third Psychology Connected.

Socialising with other people is an important part of feeling good. What do children need from their surroundings to do this?

Annelinde Vandenbroucke received the new science communication grant for NeurolabNL Young in December 2020. This grant will help her in her mission: to make science attractive for and by youth. Vandenbroucke tells Humans of Psychology why youth is important to science and vice versa,

The Faculty of Science celebrated the Chinese New Year on 26 January, with an event that was organised together with the Leiden Science China community. After a warm welcome and New Year Wishes by Dean Geert de Snoo, visitors could participate in various activities, such as a calligraphy lesson.

Dr. Brackney is a modern European intellectual and cultural historian with a Ph.D. from Yale University. Before coming to Leiden, she held postdoctoral teaching posts in the History & Literature program at Harvard University and the Pozen Center for Human Rights at the University of Chicago.

From bedtime stories about mathematics to podcasts about microplastics and games on weeds: master students from the Science Communication & Society track presented the real-life products they developed during their final presentations on 20 December. Many of the products are already implemented by c…

Leiden is European City of Science in 2022 and this will be celebrated under the name Leiden2022. During Leiden2022, various activities will be organised, such as lectures, workshops, excursions and exhibitions. On the occasion of Leiden2022, Postbus 71 will be opened: the place to go if you have any…

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.’

Nowadays data-driven working is very important within Rijkswaterstaat. A Variety of employees is involved in analyzing the data collected on daily basis by Rijkswaterstaat. The goal is to ensure that we construct an infrastructure in the Netherlands which will be safe, accessible and liveable in the…

The Faculty of Science has reinforced the collaboration in China during a group trip late November. Representatives from four institutes visited ten Chinese top universities and interviewed over 130 students in PhD workshops in Beijing and Shanghai.

Come to the Night of Arts and Science in Leiden 's historic city centre on 17 September. You can enjoy music, interactive experiments, theatrical plays, lectures, modern dance, comedy and much, much more. Many of the activities are in English.

In January 2020, Dr Min Jung Cho and Dr Annie Trevenen-Jones of LUC The Hague applied for the LUF - SVM (Stichting Verpakking en Milieu/ Foundation for Packaging and the Environment) grant. In June 2020 they were awarded a grant amounting to the sum of €75,000.

The way that traditional hunter-gatherers roasted tubers can shed new light on how people prepared food in prehistoric times. Archaeologist Stephanie Schnorr has studied the food preparation culture of the Hadza in Tanzania.

The scientific world is under increasing pressure from all directions: the money that society invests has to show clear returns. ‘The best thing we can do is to go along with this development,' says Ivo de Nooijer, Director of Luris, Leiden University's valorisation institute.

In the Leiden Municipality Challenge, 25 students investigated how Leiden could become more sustainable. In doing so, they enlisted the help of the city's citizens. 'When citizens themselves participate in the research process, they have a better understanding of how science works.'

Two professors from China joining the research and education in Leiden, two Leiden professors going to China to share their knowledge and experiences in return. This is the exchange professorship between the Faculty of Science and Xi'an Jiaotong University (XJTU). This week, all four professors got…

Although open science reforms have contributed to a more rigorous and robust psychological science, there is still much to improve. In Association for Psychological Science (APS), Eiko Fried points out two norms that open science reforms may have overlooked so far: communalism and universalism. 'Incorporating…

At the OWL faculty day about 150 newcomers met their fellow students and had a chance to check out the study and research facilities at the Faculty of Science. The OWL introduction week is specially for new international bachelor’s and master’s students at Leiden University.

Just like scientific articles, patents cite scientific literature to support their findings. These references provide valuable information on how science is used to develop practical applications. However, extracting this information from patents is not that simple.

On Saturday 28 September we will be running again, for scholars at risk during the Leiden Science Run. Already 56 teams have registered, from Leiden and The Hague students to scientists and companies. There are still spots left for more teams!

With the lecture 'China and a complicated world', a lucky draw, and of course lots of food and drinks, the Faculty of Science celebrated the year of the dog. An international mix of staff and students took part in this third local edition of the lunar new year celebration.

Water is all around us and is vital for all aspects of life. Studying the various compounds and life forms that inhabit natural waters lets us better understand the world around us.

Never has good policy been so important. From unemployment and a lack of affordable housing to regulating cryptocurrencies and protecting against cybersecurity threats, the challenges we face are complex and global. The text explains how policymaking works: from the emergence of policy ideas to deciding…