How can you see something that’s invisible? Well, with Euclid! This future ESA telescope will map the structure of the Universe and teach us more about invisible dark matter and dark energy. Scientific coordinator of Euclid and Leiden astronomer Henk Hoekstra explains how this works.

Alumna Esmée Winkel, scientific illustrator and botanical artist, has been awarded a gold medal by the British Royal Horticultural Society for a series of six watercolours.

The Faculty of Humanities, Leiden University Centre for the Arts in Society (LUCAS) is looking for a: PhD The Illustrated Aesopian Fable in Education in France 1500-2010 (1.0 fte) Vacancy number: 16-123

Comparing individual health data with group data allows doctors to give personalised advice and patients to learn from one another's experiences. Wessel Kraaij, Professor of Applied Data Analytics, shows how personal data can have a valuable predictive function. Inaugural lecture 24 February.

In the late 19th century, the Dutch government introduced a tax system in the Dutch East Indies, with the intention of transforming the colony into a modern state. PhD student Maarten Manse wrote his thesis on this development and discovered how grandiloquent colonial ideals became bogged down in daily…

Rich, white, urban: Western politicians often represent a small segment of the population. Political scientist Hélène Landemore advocates for a more inclusive democracy. She will deliver the Cleveringa Lecture on November 26.

The proposed investigation focuses on the Pre-Hispanic archaeological site Aguas Buenas recently documented by Dr. Alexander Geurds

A moon rock from the Apollo 17 mission, antique globes and the cosmos according to Wassily Kandinsky. Ewine van Dishoeck, Professor of Molecular Astrophysics, has put together an impressive exhibition at Rijksmuseum Boerhaave.

Framing Poland through the lens of post-socialism, as is common in the social sciences, has become outdated. This label no longer captures the rapid changes that have taken place since the fall of the Iron Curtain. Ola Gracjasz's research shows that people are redefining their national identity, blending…

‘Intelligence and security services need to adapt urgently to their constantly changing environment,’ says Professor by Special Appointment Bas Rietjens.

This summer, political scientist Thijs Vos received the Kaare Strøm prize for his paper ‘Power or Ideology? What structures legislative voting behaviour in Dutch municipal councils, ideology or coalition-opposition dynamics?' He was awarded the prize during the ECPR summer school on parliaments in F…

For many Indonesian alumni, studying in Leiden or The Hague was a life-changing experience. This is what they told a delegation from Leiden during its recent visit to Indonesia. On their return to Indonesia, some of these alumni set up the Ikali alumni network. But why did they go to Leiden in the first…

Gathering and distributing patient data can make an important contribution to containing the coronavirus. But if we want to be successful, we need better data. With this objective in mind, Leiden data stewards have joined the Virus Outbreak Data Network (VODAN).

Research into our history of colonialism and slavery, heart-to-heart conversations at a Keti Koti table, exhibitions, lectures and podcasts that establish the link between present and past. Staff and students participated in the national Slavery Memorial Year in many different ways. What have we learned…

Rob Zwijnenberg, Professor of Art and Science Interactions, uses daring experiments to get his students to think about social issues.

Investigation services and cyber criminals both make grateful use of the opportunities offered by digital technologies. Both groups' use of these services leads to breaches of privacy for citizens. The current legislation falls short in providing protective measures, is the conclusion reached by Professor…

Early December, lecturer Joris Timmermans gave the first virtual reality lecture at the Institute of Environmental Sciences. Together with the Centre for Innovation, he developed an innovative teaching method for the master's course Methods in Biodiversity Analysis. The first results look promising.…

Children are perfect scientists: they are bursting with curiosity, they want to know how the world works and they go exploring every day. Yet many children barely get a chance to be engaged in science. A number of scientists from the Young Academy want to change that. They have received 150,000 euros…

What is the relationship between humans and nature like? And how can we use it to tackle climate problems? In the Master Honours Class ‘Planet in Peril’, students approach climate issues from the perspective of the humanities. ‘Things are not always as one-sided as they seem.’

String theory has come under fire in recent years. Promises have been made that have not been lived up to. Leiden theoretical physicists have now for the first time used string theory to describe a physical phenomenon. Their discovery has been reported this week in 'Science'.

On Thursday 15 April, Sabine Mengelberg, associate professor at the Faculty of Military Sciences of the Netherlands Defence Academy (NLDA), will defend her thesis on changes in European security architecture. Permanent Change? The Paths of Change of the European Security Organizations is the title of…

The Hague Journal of Diplomacy is calling for research papers. The deadline for submission is the first of June 2018. This will be used for a book and special issue of the The Hague Journal of Diplomacy

More exercise, a healthier diet, more time to yourself: we make resolutions every year, but they often don't make it past the end of January. To help you succeed this year, we have compiled a list of New Year's resolutions you can put into practice at the University!

Dr. Mikihiro Moriyama was born in Kyoto, Japan in 1960. He first came to Leiden for a year in 1988, and then stayed from 1992 to 1995 and was back again in June 2003 for his PhD. 'I’d never heard of the Sweat Room until I heard about it at a Leiden alumni meeting in Jakarta. When I visited Leiden in…

The norms, institutions and power relations that have defined the last decades of international political and economic relations in the European Union are undergoing major transformations. With the return of competition between great and ambitious powers, like the US, China, EU and Russia, the need…

That corn was highly important in the Maya culture is something that Genner Llanes Ortiz, himself a Maya from the Mexican province of Yucatan, has always known, right from his childhood. But just how important the role of corn is in the collective memory of his people, is one of the subjects of his…

You may know it by the umbrella term 'citizen science'. You may also use terms such as volunteer mapping, patient co-researcher, or even community engaged learning to describe participatory practices in your research or teaching. No matter what you call it, there’s plenty going on when it comes to this…

Activities of Heloisa Amaral, Henri Bok, Jonas Staal, Bobby Mitchell, Danne Ojeda, Dick de Graaf, Niels Berentsen, Madga Pucci, Andrea Stultiens, and Eleni Kamma

People don’t have enough faith in the trustworthiness of others, says psychologist Manon Schutter in her dissertation. In it, she also highlights the negative effects of being actively distrusted. How does distrust affect a relationship in the future?

How do you measure over-protective parenting? Why are girls more likely to develop anxiety disorders? And do the social skills of therapists really make a difference in treatment outcomes?

The First Americans exhibition in the National Museum of Ethnology showcases the resilience and creativity of native Americans. Striking artworks, fashion and prints show that the past is never far away. Artist Jacob Meders was inspired by 16th-century prints from the Leiden University Library. The…

To better prepare students for their laboratory education, a team of education experts and students have created a collection of interactive videos. After launching their website labprep.video, the material is now available to everyone in higher education. Project leader Marjo de Graauw: ‘We also created…

One of the major stereotypes about Islam is that it is very male-dominant and women-oppressive, but is Islam really that patriarchal? Mahmood Kooriadathodi has been awarded a 250.000 euros Veni grant for his project ‘Matriarchal Islam: Gendering Sharia in the Indian Ocean World’.

The Ecuadorian Pachakutik party is one of the oldest indigenous political movements in Latin America. Despite not being very successful at the polls and hardly having organisational resources at its disposal, Pachakutik is still part of Ecuador’s political landscape. In her dissertation, Political Scientist…

No matter how hard Chinese communists tried to control the economy, they could not stop the free market from flourishing. This was the message given by historian Frank Dikötter on 7 February during a lecture on the Cultural Revolution. He will be awarded an Honorary Doctorate on 8 February.

How do we deal with large sources of greenhouse gases? Do schools provide a socially-inclusive environment for all children? And how can we protect Earth’s nature? These questions have two things in common: they are complex global challenges, and data can help answer them. Mitra Baratchi is computer…

The English taught interdisciplinary minor Violence Studies looks into various facets of interpersonal violence. Is this minor for all Leiden students? These two 'colleagues' are certain of it.

The Executive Board of Leiden University has appointed the new Board for the Faculty of Archaeology. Read more about their plans for the future of the Faculty.

The theme of the Heritage Open Days Leiden on 10 and 11 September is sustainability. At four University locations guides will talk about the history of the buildings and how they have been renovated. And there is a first: tours in sign language.

Leiden social and organisational psychologist Carsten de Dreu has been awarded a Spinoza Prize, the top science prize in the Netherlands. We talked to him about his passion for group processes, Leiden University and his dreams for the future. ‘A Spinoza opens up a world of possibilities.'

Neanderthals were able to make fire on a large scale with the aid of pyrite and hand-axes. This means they could decide when and where they wanted fire and were not dependent on natural fire, as was thought earlier. Archaeologist Andrew Sorensen has discovered the first material evidence for this. Publication…

The first of April was the official start of Phase II of the collaborative “PCAD4Cod”-project on the effect of sound on fish populations. Hans Slabbekoorn, associate professor at the IBL, is the principal investigator and collaborates with three PhD-students, Dr. Erwin Winter, (Wageningen Marine Research),…

Knowing whether or not a treatment is working just by wearing your watch? Data scientist Ahnjili ZhuParris has identified a lot of opportunities for the use of machine learning in clinical research to monitor test subjects at home.

Leiden Professor of Maths Frans van Schooten Jnr. (1615-1660) and his wife Margrieta were painted by Rembrandt. This is the claim made by mathematician and art historian Johan Zwakenberg in his recently published article in the 2018 Leiden Yearbook. Leiden art historians are not completely convinced…

Inspired by a gift she received at a conference abroad, Laura Kamsma, coordinator of the FGGA International Office, went looking for new promotional goodies to hand out to the representatives of international exchange programmes at Leiden University - Campus The Hague. The gifts had to meet three requirements:…

To what extent did the Netherlands grow rich from the Transatlantic slave trade? In his dissertation 'Walcherse Ketens', Gerhard de Kok looks at Vlissingen and Middelburg, the most important slave trade cities in the Netherlands during the second half of the 18th century. It turns out that, although…

The rise of extremism in Europe has increased polarisation. The EU-funded DRIVE project, led by Tahir Abbas, Professor of Radicalisation Studies from Leiden University’s Institute of Security and Global Affairs, explores how social, structural, and individual factors contribute to radicalisation, offering…

The world’s attention will shift to China as the Communist Party is set to hold its five-yearly congress beginning on 16 October. We talk to Senior University Lecturer Florian Schneider about how its leader Xi Jinping is expected to cement his place as the country’s most powerful leader since Mao Ze…

On the Indonesian island of Siberut, the term 'hungry' does not just refer to the lack of food, but above all the absence of social contacts to use a meal.

Innovation in nest building: bird nests made from anti-bird spikes. Researchers from Naturalis Biodiversity Center and the Natural History Museum Rotterdam describe this behaviour in a publication.