Free cinema tickets or a step tracker paid for by your health insurance. Some insurers offer rewards to promote healthy behaviour. But does the threat of losing something like a deposit work better? And what do patients think? This is what PhD candidate David de Buisonjé researched.

Building more in urban areas is, in most places in the Netherlands, the smartest way to tackle the housing crisis. This is evident from research conducted by Janneke van Oorschot, published in a partner journal of Nature. Remarkably, this does not have to come at the expense of green spaces in cities.…

What do children think about computer science and the profession 'programmer'? Shirley de Wit and her colleagues from the Programming Education Research Lab (PERL) are investigating how children see programmers and whether they have stereotyped images of this profession. Last summer more than 550 children…

Just imagine: you see someone being treated unfairly. Do you find it more rewarding to help the victim or punish the perpetrator? Research by Leiden psychologist Mirre Stallen indicates that punishing is more rewarding. Publication in JNeurosci.

Boys who are bullied develop more fear and shame; boys who bully develop more anger and less guilt, which makes it easier to justify more bullying. Boys with autism respond more angrily to bullying than others, and thus make for an easier target. Developmental psychologist Carolien Rieffe and her colleagues…

Jan Aart Scholte is the first professor on the new Leiden interdisciplinary programme, Global Transformations and Governance Challenges. He researches how to tackle global challenges such as climate change and inequality. Inaugural lecture on 4 February.

Leiden University Medical Center (LUMC) has spent the past five years coordinating an international study of genetic mutations and breast cancer risks. The results will make it easier to determine which genes increase the risk of breast cancer and to what extent. The researchers published their results…

Chemical substances and nanomaterials are processed on a massive scale in diverse products, while their risks have not been properly assessed. Time and again synthesised substances have been shown to pollute the environment more than lab tests predicted. This is the warning given by Professor of Ecotoxicology…

Leiden chemists have created a new ultrathin membrane only one molecule thick. The membrane can produce a hundred times more power from seawater than the best membranes used today. The researchers have published their findings in Nature Nanotechnology.

More than 30 members of Programme Committees, Faculty Councils and the University Council met online on 27 November with a mission: how can university co-participation work towards a more sustainable university in terms of education, research, and operations? The Leiden University Green Office and the…

More than 800 universities have called on the European Council to come to be more visionary in its ambitions for European research, innovation and education. They believe the current budget to be insufficient.

Het kabinet wil noodrecht toepassen in het asielbeleid. Minister Faber meent dat dit juridisch ook is getoetst. Verschillende juristen, waaronder Mark Klaassen, universitair docent Migratierecht en Wim Voermans, hoogleraar Staatsrecht, betwisten dat het noodrecht in de huidige situatie een geschikt…

Paul Hudson, a professor at Leiden University College, is organising a symposium on water management in the Netherlands and abroad that will take place on 22 March. We asked him what makes water management so important.

Maaike Kempes believes more attention should be paid to non-congenital brain injuries in suspects. This may partly explain their criminal behaviour.

People who have taken antibiotics in the past three months pay more attention to negative facial expressions, according to research by postdoc Katerina Johnson and assistant professor Laura Steenbergen. This may explain how antibiotics increase the risk of developing depression.

Patients with incurable breast cancer remember more information about their treatment if their doctor is more empathetic during consultations. These are the results of research by psychologists from Leiden University in collaboration with Nivel research institute. Publication in Patient Education and…

The use of the pill, in combination with genetic factors, can influence experimental psychological research in women. More research is needed into the influence of the pill on mood disorders, concludes psychologist Daniëlle Hamstra. PhD defence on 30 September.

For academic year 2019-2020, an additional 270 housing units will be available for international students in Leiden and The Hague. Around 1,050 extra rooms in total will be available for students in both cities.

How tolerant is the Netherlands on the work floor? Jojanneke van der Toorn, Professor of the Workplace Pride Chair, the first in the world dealing exclusively with LGBT inclusion in the workplace, answers questions on the International Day against Racism and Discrimination.

An increasing amount of research is demonstrating the importance of taking parenting from prison seriously. But the plans of Minister Dekker of Legal Protection do not address this issue.

After three years of courses, exercises, debating and reflecting, Honours College students received their certificate during a festive ceremony. Even more than with the certificate as such, attendees were pleased with the way Honours enables students to deal with an increasingly complex world.

Suspending family reunification of refugee status holders is illegal. That was the ruling of a Dutch court in a case brought by a Syrian woman with asylum status. The (temporary) restriction on entry for family members was one of the pillars of the cabinet’s asylum deal in August.

Organisations like the UN and the EU should be given more powers to combat transboundary problems. This is the message of a report published by the Swedish SNS Democracy Council, whose authors include Prof. Jan Aart Scholte of Leiden University. The researchers also wrote the following article.

Fake news about ‘patient zero’ and hyperbolic headlines warning about the ‘yellow peril.’ Leiden researchers have spotted fake news galore about coronavirus as well as racial stereotypes about the Chinese. How harmful is this?

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…

To get important topics such as climate and human rights higher on the agenda of listed companies, stakeholders other than shareholders and employees should officially be given more say. This is what Professor of Business Law Harold Koster said in his inaugural lecture on 18 March. He proposes introducing…

For justice to be done after a crime, most people feel that retribution alone is not enough. These are the results of research by Leiden University and the University of Mannheim (Germany). Publication in Plos One.

Many organisations have a biased workforce, even though diversity has so many advantages. Australian and Dutch researchers, including Leiden psychologist Romy van der Lee, have developed a solution based on a mathematical model. They published their findings in PLoS One on 28 July.

Birds around airports are more aggressive and sing as if they have hearing loss. Collaboration between researchers of Manchester Metropolitan University and the Institute of Biology Leiden has led to surprising new findings about the impact of anthropogenic noise on birds around airports. Publication…

Goldband, Skrillex, Róisín Murphy and... quantum: the latter may not be a band but is part of the Lowlands line-up nonetheless. Scientists from Leiden University are using the festival for research on the very smallest particles.

Are you a night owl or a lark? Your lifestyle can affect your health more than you might think. PhD candidate Wietse in het Panhuis is researching this with the aid of jet-lagged mice. He explains in a Science Shot podcast

Citizens underestimate their role, but they really can make a difference, says legal specialist Corinne Dettmeijer-Vermeulen. Combatting injustice is still the mission of this former National Rapporteur on Human Trafficking and Sexual Violence against Children. She will deliver the Cleveringa lecture…

In mid-March 2020, the global coronavirus outbreak changed everything in the Netherlands. Staying at home as much as possible and the 1.5 metre rule became the standard. One year on, we reflect on the past year with four Leiden Law School ‘insiders’. What kind of year did they have? And what are their…

The coronavirus has the world in its grip. Finding a cure has never been more important. Unfortunately, the development of new drugs for treatment of the COVID-19 disease caused by the virus and development of a vaccine are complex, lengthy, and above all costly processes. With the help of computer…

The person who cried out at Dam Square on Remembrance Day in 2010. For Michiel van der Wolf this marked the rise of a new phenomenon: that of ‘confused people’. Because since that Remembrance Day, the number of reports of ‘confused people’ in the Netherlands has increased rapidly in the statistics.…

What is the impact of terrorism? Researchers Jeanine de Roy van Zuijdewijn and Jessica Sciarone looked at ten jihadi attacks and concluded that there are major differences between European countries.

While studying Indonesian languages and cultures, Rennie Roos started a company. Today he has been working in Indonesia for more than eight years. Where does his love for this country come from? And how does he look back on his studies? ‘I actually wanted to become a pilot.’

Three new initiatives will provide a more diverse view of Leiden’s academic history, literally and figuratively: a historical study on the background of students and scientists, a new book about the Academy Building, and two new sculptures of female scientists, Ewine van Dishoek, Professor of Molecular…

Racism and discrimination come in many different shapes and forms – in the Netherlands too. Verbal attacks, stereotypes and violence: some people are confronted with these on a daily basis. A group that is often not included in research and the debate on racism is people of Asian descent. The Diversity…

Francesco Ragazzi loves to talk about international relations. But what makes him really happy is if his students question the discipline. This has won him a nomination for the LUS Teaching Prize. Is he the best lecturer for 2019?

It’s Circular Economy Week, from 1 to 6 February. But what is it that makes an economy circular? And just how circular is our university? René Kleijn, lecturer on the honours class Circular Economy: from challenge to opportunity, explains.

In supermarkets, consumers are drowning in a sea of sustainability labels. Confusing for them, but also farmers can't see the forest for the trees. Obtaining these labels demands an enormous amount of time and effort. Berent Baris is investigating ways to simplify this process, benefiting both farmers…

A wide range of plant species is essential to our earth because of the different materials and foods these plants provide. But plant diversity has decreased drastically in recent decades. PhD candidate Kaixuan Pan explains what we can do to increase it once again.

The world abounds with different footprints that calculate human impact on the environment. Environmental specialist Kai Fang is the first person to have developed a family of footprints that allow better measurement of environmental damage and the depletion of natural sources. PhD defence on 24 Nov…

How do stars and galaxies form? What is dark matter? To answer these and other questions, we need increasingly large telescopes. And to build these, we need international partnerships. A series on the impact of collaboration.

When we think about ancient Egypt, the first things that come to mind are usually mummies and sarcophagi. According to researcher and Rijksmuseum van Oudheden curator Lara Weiss, that impression is unjustified. She made an audio tour for the Rijksmuseum van Oudheden that focuses on living Egyptians…

Taking responsibility concerning colonial heritage and restitution is a pressing issue for countries and museums worldwide. On 23 and 24 May, a Leiden University interdisciplinary symposium will explore new perspectives as a basis for policies. Organising professors Carsten Stahn and Pieter ter Keurs…

Leiden researchers have found minute movements in the laccase enzyme. This discovery could lead to the development of much more efficient biofuel cells. Publication in Biophysical Journal.

How can cross-border internet purchases be accurately estimated? Researchers Quinten Meertens, Cees Diks, Jaap van den Herik and Frank Takes of the Leiden Institute of Advanced Computer Science (LIACS), Statistics Netherlands (CBS) and the University of Amsterdam (UvA) present their solution to this…

Life cycle assessment (LCA) reveals the total environmental impact of products or production processes, and EU rules are going to make this even more important.