On Friday evening 14 December 2018, around forty students from the Humanities and Science faculties gathered together in the Leiden city centre to take part in a very Dutch tradition: ice skating! On the floating ice rink, Alpha, Beta, Dutch and international students came together to enjoy this typical…

The online summer programme Space in Your Living Room by Leiden Observatory has won the first prize ‘Most Innovative Event’ of the Astronomy@Home Awards from the International Astronomical Union. In July and August 2020, participants could for example talk to real astronauts and imagine life forms in…

How do you set up successful interdisciplinary collaborations? That is the central question of a Leiden symposium. On 6 June, we look at cooperation and decompartmentalisation between public institutions. The language of the symposium will be Dutch.

Nanoparticles that transport medicines to a specific part of the human body are usually broken down in the liver prematurely. Jeroen Bussmann from Leiden University has discovered a new method to prevent this from happening. Publication in ACS Nano.

A team of Dutch scientists has built a supercomputer the size of four pizza boxes. The Little Green Machine II has the computing power of 10,000 PCs and will be used by researchers in oceanography, computer science, artificial intelligence, financial modeling and astronomy. The computer is based at…

Music, being together and the impact of science were at the heart of the festive opening of the academic year and the start of the faculty’s 200-year anniversary. The faculty was 200 years old on 2 August 2015. The anniversary was celebrated in style, attended by 500 members of staff and students.

Evelyn Bosma, researcher at the Fryske Akademy and LUCL, is the winner of the first science prize Campus Fryslân.

Watch and talk along with today’s science of the past during weekly Let’s Plays of popular games and vodcasts on the livestream platform Twitch.

Professor Ewine van Dishoeck, together with an international team of colleagues, has written an overview of everything we know about water in interstellar clouds thanks to the Herschel space observatory. The article, published in the journal Astronomy & Astrophysics, summarizes existing knowledge and…

The fact that scientists are increasingly better able to access molecular cell and tissue data also brings with it a new challenge: how can scientists find the information they need for research among the vast amount of data available?

Although both government and the public would like scientists to share their work with the widest possible audience, this does not always seem an easy route for scientists.

The Netherlands has a lot of world-class speed skaters and footballers. Clever statistical analyses could help them perform even better. Leiden University is working on this together with Delft and Amsterdam.

The art installation by Peter van der Putten and Jeroen van der Most was selected from nearly 500 submissions for an exhibition on climate change.

For the next "What’s Next?" talk series we have invited two former Media Technology students - Jeroen Jillissen (Google) and Marcin Pakulnicki (ING Bank) to talk about their journeys after Media Technology, and considering their positions, to reflect on what it means to be developing technologies that…

As part of the course International Property Law, the Advanced LLM ICCL 2016-2017 students paid a visit to the Kadaster office in Rotterdam, one of the offices in the Netherlands where property is registered. They were accompanied by their teacher Jeroen van der Weide of the Institute for Private La…

IDREEM (Increasing Industrial Resource Efficiency in European Mariculture) is a European research project launched in 2012 to protect the long-term sustainability of European aquaculture. This project has recently been featured on Euronews TV

A fascinating description of a global language, A Grammar of Mandarin by Jeroen Wiedenhof combines broad perspectives with illuminating depth. Crammed with examples from everyday conversations, it aims to let the language speak for itself. The book opens with an overview of the language situation and…

In the discs of dust and gasses around young stars, mysterious structures occur. Together with professor Ewine van Dishoeck, PhD student Paolo Cazzoletti investigate how we can explain these forms, such as rings, spirals and holes. On 12 December, he will defend his thesis.

A permanent exhibition on the place of humans in the cosmos. This is something Franx wants to use his Spinoza Prize for. ‘So much progress has been made that we are still trying to define the questions. In finding the answers we are constantly coming up against surprises.’

Exactly a century ago, astronomers observed the first two diffuse interstellar bands (DIBs) in space. A DIB manifests itself as a colour of light that is missing in the radiation from stars behind an interstellar cloud. Although about 500 DIBs are yet discovered, they remained inexplicable until recently.…

On April 20, sixty participants will take part in LION’s triannual meeting for high school physics teachers, to deepen their knowledge of physics and astronomy and to explore new teaching methods. This edition marks a special occasion, as it is the last meeting organized by Bert van der Hoorn, who will…

On this page you will find an overview of awards and prizes granted to our staff and students in 2023, as well as special appointments at Leiden University and other institutions.

Two radio telescopes in Green Bank, West Virginia have brought together a few remarkable people. A new photo exhibition in the Old Observatory visitor centre gives an insight into the remote community. Due to the corona crisis, the Observatory is not open to the public. That’s why we’ve selected a few…

30 Years of Pale Blue Dot - 14 February 2020, Kaiserzaal, Old Observatory - The Pale Blue Dot Symposium is an event to celebrate the 30th anniversary of the iconic picture showing the Earth as a tiny speck in the vastness of space and to discuss its impact on humankind. At the end of the symposium,…

An international team of astronomers, including Leiden’s Christian Ginski, has discovered previously unobserved structures in a debris disk around a nearby star. Article published in Nature on 8 October.

Leiden Professor of Astronomy Mike Garrett is searching for signs of extraterrestrial intelligence. In his Kaiser lecture on 23 April he will discuss how far science has progressed in this quest.

As of May 2015, Prof. dr. Ad Ijzerman has been appointed as Secretary of The Royal Holland Society of Sciences and Humanities.

The Netherlands eScience Center has announced to fund a new Path-Finding Project led by Dr. Dorothea Samtleben from the Leiden Institute of Physics (LION). This project aims to make the processing of detection signals more efficient for the KM3NeT neutrino telescope, which is currently under construction…

An international team of astronomers, including Leiden's Maciej Bilicki, has discovered an enormous supercluster of galaxies. The supercluster had previously been overlooked because it was obscured by our own Milky Way. The researchers are publishing their findings in the Monthly Notices of the Royal…

If you walk along the Hooglandse Kerkgracht in the coming months, you will see a metal box completely out of tune with rest of the landscape. It seems to have come from 'elsewhere'. The box is the results of a collaboration between the Old Observatory and incarcerated minors.

Through the clever use of two types of telescopes, a team of researchers has produced stunning images of clusters of galaxies. This not only produces beautiful images, but also provides more information about the enormous amounts of energy released around supermassive black holes in clusters. The astronomers,…

On Friday evening 17 September, Leiden astronomer Joe Callingham can be seen in a new series on Discovery channel. Killers of the Cosmos is about different deadly dangers lurking in the depths of space. Asteroids, cosmic debris, electromagnetic weapons… The show takes a film-noir approach to these threats,…

In our lives we often have little attention or appreciation for plants, let alone the ones we commonly call weeds. This inattention for plants has been described as plant blindness. The Stoepplantjes project aspires to decrease plant blindness by changing the image of weeds and using citizen science.…

During the Faculty of Science New Year's reception, Daniël Rozen was named Discoverer of the year 2015. Nienke van der Marel and Koen van der Maaden both won the prize for the best dissertation and Jeroen van Smeden was named Best Teacher of 2015.

This project aims to situate the current policy concept of ‘valorization of scientific knowledge’ in historical and epistemological perspectives. Conceptual understanding of the utility of scientific practices is developed in dialogue with historical analyses of the politics of knowledge in European…