Is it acceptable for an algorithm to make mistakes? Quinten Meertens investigated this at Leiden University and the UvA and has been nominated with his research for the prestigious Christiaan Huygens Science Prize. The winner will be announced on 11 October. In April, Meertens received his doctorate…

Dark matter. Something invisible that, according to calculations, comprises about 85% of the matter in the universe. With an ERC Advanced Grant of €2.5 million, Professor of Observational Cosmology Henk Hoekstra will map out even more precisely where this dark matter is to be found.

Course

Research

Research

The University has national holidays and compulsory closures. National holidays are not deducted from your vacation hours, whereas compulsory closures are.

If you are going on a business trip to a destination that poses health risks, you can make an appointment with the specialised nurses of the University. They can give you advice and indicate whether you will require any vaccinations or malaria medication.

If a researcher has appeared on the TV or radio or in a newspaper, for example, you can create an ‘In the media’ page referring to this. How do you write a good ‘In the media’ page? Below are some guidelines.

Predictable variation in children’s dosage Professor Catherijne Knibbe – Pharmacology There is no adequate foundation for te dosage of medicines prescribed for children in 40-80% of cases.

ICT

Organisation

Research

Ad IJzerman, Emeritus Professor of Pharmacochemistry, was made a Knight of the Order of the Lion of the Netherlands on 26 April. He was presented with the royal honour by Mayor Elbert Roest in the town hall in Bloemendaal.

Organisation

Statistician Anja Rüten-Budde has won the C.J. Kok Jury Award 2020. Her PhD thesis resulted in an app which helps patients with soft tissue sarcoma and their doctors to make well-considered choices about the treatment. ‘Her work is interdisciplinary and directly relevant for society,’ the jury state…

Lecture

Organisation

Research

Human resources

On 21 January, the Institute of Environmental Sciences (CML) has released two reports on circular economy and urban mining in the Netherlands. In them, together with Statistics Netherlands, they take stock of part of the Dutch ‘urban mine’: how much raw material can we reuse from the electricity grid,…

A positive reception of your research proposal lies largely in the way you deliver it. Key to writing a proposal is knowing exactly what is expected, giving them what they want while staying true to yourself, and distinguishing yourself from others. On this page you will find what to take into account…

At a symposium on 26 May, experts, staff and students from Leiden University will discuss what should happen with Rein Dool’s painting in the Academy Building and what the guidelines for the University’s exhibition policy should be. These issues will be explored from diverse perspectives during the…

On 26 November 1940 Professor Cleveringa held his courageous speech protesting against the dismissal of his Jewish colleague, Professor Meijers. Cleveringa was arrested and the university was closed. Every year the university honours Cleveringa with a chair and meetings throughout the world.

Organisation

Social

ICT

It’s about much more than learning how to write a readable piece or give a presentation that doesn’t send the audience to sleep. The intensive Science Communication Summer School gives young scientists the chance to really make contact with the public.

Five projects with a lead applicant from Leiden will receive an Open Science Fund grant from the Dutch Research Council (NWO).

‘We may have taken steps together, but there is still much to do in the fight against racism and discrimination’, says Annetje Ottow, President of Leiden University’s Executive Board. ‘We have to be aware of this and continue to focus on this difficult, uncomfortable and often confronting topic.’

The right medicine in the right dosage for every patient, that is something medical science aspires. 'Personalised medicine' is the term for that. But it does require a lot of research with patient data and that can be hard to get due to privacy legislation. Researchers Laura Zwep and Coen van Hasselt…

In studies, it is an old acquaintance, the p-value. But mathematician Peter Grünwald wants to get rid of it. The p-value is too susceptible to fraud and can lead to a distorted picture of reality and chance. That is why he wants to work with the e-value. De Volkskrant spoke to him about it.

Education, Organisation

Almost 81 years after his famous protest speech against the German occupation, Leiden professor Rudolph Pabus Cleveringa will be remembered in his Groningen birthplace of Appingedam. A statue of him will be unveiled there on 12 November amid various other activities.

Organisation

Many students who graduated during the pandemic were unable to celebrate their graduation in style. To make up for this, they were given the chance to sign their name in the Sweat Room on Friday 26 May.

During illness, the stiffness or viscosity of cells can change. Tom Evers demonstrated this by measuring such properties of human immune cells for the first time. ‘The stiffness of certain cells could be a way to make a diagnosis,’ Evers said. He defended his thesis on March 26th.

Facility, Organisation

Education

Education, Research

As of 16 August Ignas Snellen is the new Scientific Director of the astronomical institute of the Faculty of Science. He will succeed Huub Rottgering, who led the institute since 2012. Snellen has been appointed for a period of four years.

Children’s clothes are full of cute, fun and cool animals. Researcher Michiel Hooykaas investigated which animals were most prevalent, to see how cultural product can influence the knowledge of biodiversity.

Social

Finance

Organisation

Lecture

Lecture