640 search results for “dark matter” in the Public website
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International students explore the archaeology of Oss: ‘I was responsible for finding 50% of the pottery sherds’
The Municipality of Oss is a household name in the world of Dutch archaeology. For fifty years, Leiden archaeologists, in collaboration with residents of Oss, have been uncovering the history of the municipality. 2024 is the archaeological year of Oss! In a series of interviews we look back on fifty…
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The work of abyss and time: towards an emancipatory poetics of the tropics and critical autoethnographic practices of research within media art
This doctoral project by artist and educator Luiz Zanotello engenders a postcolonial understanding of time, space and movement by means of artistic research methods. The project examines the contradictory effects of the abyssal line of thought within the tropics as a starting point.
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How metastatic tumours manipulate their environment
Tumours act like mini-organs, manipulating their environment and using bodily processes to survive and metastasise. Through research by Erik Danen and his colleagues, we are learning more about the complex nature of tumour cells. In the Dutch newspaper NRC, the scientists discuss their findings.
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Male birds may sing, but females are faster at discriminating sounds
It may well be that only male zebra finches can sing, but the females are faster at learning to discriminate sounds. Leiden researchers publish their findings in the scientific journal Animal Behaviour.
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How do we maintain a healthy biological clock?
During Seeing Stars Leiden all the lights around Leiden Observatory will be switched off for an hour. The more lights that go out, the more stars we’ll be able to see. For the LUMC, this is the perfect moment to think about our biological clock, the topic researchers from the BioClock consortium are…
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Why plants in wetlands are highly productive
Environmental scientists in Leiden have found that the so-called leaf economics spectrum for plants can not only be applied to terrestrial ecosystems, such as forests and grasslands, but also to wetlands. Furthermore, they showed that wetland plants generally have a fast-return strategy, meaning they…
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First discovery of methanol in a warm planet-forming disk
An international team of researchers led by Alice Booth (Leiden University, the Netherlands) have discovered methanol in the warm part of a planet-forming disk. The methanol cannot have been produced there and must have originated in the cold gas clouds from which the star and the disk formed. Thus,…
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Astronomers map the cosmic spider web
An international team of astronomers from Leiden Observatory and others, has for the first time mapped a piece of the dark, cosmic web. The research strengthens the hypothesis that the young universe consisted of huge numbers of small groups of newly formed stars. The astronomers publish their findings…
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8th wall formula about the Van der Waals-equation for gases
Despite the rain and awful weather, the painting job has been finished within a week. The Van der Waals-state equation is the eighth Leiden wall formula.
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Alessandra Silvestri wins Vidi for understanding the universe
Alessandra Silvestri, a cosmologist at the Leiden Institute of Physics (LION), has been awarded an NWO Vidi grant for understanding the expanding universe. A growing number of theories explain why the expansion of the universe is accelerating, while more and more relevant observational data is pouring…
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One million euros for research on migrant cultures in European Cities
Dr. Sara Brandellero, expert in Lusophone literatures and cultures and member of the Leiden University Centre for the Arts in Society, will lead a research project about urban night life and migration, culture and integration in eight European cities. The project aims to support community well-being…
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Peter Rodrigues on ethnic profiling at Royal Netherlands Marechaussee
Victims of ethnic profiling have commenced legal proceedings against the Royal Netherlands Marechaussee. Peter Rodrigues, Professor of Immigration Law, says in a national newspaper that ethnicity may never be the most important criterion to stop and question a person and refers to a past ruling by the…
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Project LAWKI (Life As We Know It) by the collective ARK / Roosje Klap winner Gouden Kalf 2022
Project LAWKI (Life As We Know It) by PhDArts candidate Roosje Klap (ARK) won a Gouden Kalf Award 2022 for the Best Digital Cultural Production.
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Await AND anticipate. How the municipality of Amsterdam manages developments in the digital public domain.
The issue of how to deal with a development such as digitalisation in the public domain raises difficult questions for the municipality: who is responsible and when do you intervene?
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Concrete Islands in Alphaville
Concrete Islands in Alphaville A Photo Gallery of Responses to two Seminal Artistic Explorations of Urban Technocracy and its Monstrous Highways
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Leiden astronomers in astronomy podcast
Five Leiden astronomers tell about science in the podcast Astronomy et al. This podcast was set up by Ricardo Garcia Soto in September 2016 and is focused on anyone who is interested in science.
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Leiden University team European runner-up in Manfred Lachs Space Law Moot Court competition
The Manfred Lachs Space Law Moot Court competition was held in Vienna between 8 and 12 April 2024. This event was organised by the European Centre for Space Law in collaboration with the University of Vienna. The team comprised David Eagleson, Solène Flambeaux and Aleksandra Spyra, current students…
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Online study
We bring science to your home! Join our online study called Biological Motion study!
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Hall of Fame 2016
Many of our staff and students have won prizes over the past year. Others have been awarded a subsidy, or, because of their eminence in their field, they have been appointed member of an academic society or have taken on a position in the community. Reasons enough to be proud of them and to include…
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Rubicon grant for Remko Fermin: superconducting diodes for energy-efficient data centres
Physicist Remko Fermin from Leiden University was awarded a Rubicon grant from NWO. He will use it to study superconducting diodes that could contribute to reducing the CO2 emission of data centres.
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Knowledge centre Anxiety & Stress in Youth
Our mission is to recognise and treat stress and anxiety in children as early as possible, by connecting scientific research, clinical practice and education.
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Biotransformation of plant metabolites in microorganisms
- How to deconvolute metabolic mixture of precursors and products by biontransformation? - How to optimize the reaction conditions to produce bioactive compounds in biotransformation? - What is the effect of co-treating fungi or bacteria for biotransformations?
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Sense Jan van der Molen Lab - Physics of Quantum Materials
In our lab, we investigate the physics and material properties of low-dimensional systems.
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Book recommendation from ... Meike de Goede
Every month a member of the Institute for History tells about a book that inspired him or her. Afterwards, the pen is passed on to another colleague. This month dr. Meike de Goede tells about the book 'Between Tides' by Valentin Mudimbe. The novel, little known beyond the circles of Africanists and…
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Dr Andrew Sorensen wins Tübingen Prize for Older Prehistory and Quaternary Ecology
Andrew Sorensen received the award for his work on the origins of fire-making, especially for his dissertation
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Prospective science students in vast numbers to Master's Open Day
A screaming wind, a dark grey sky and unexpected rainfall. The visitors of the Master's Open Day of the Faculty of Science had a hard time, but nevertheless came en masse to the Gorlaeus Building: about 750 prospective students and supervisors.
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Research Martijn Nouwen about secretive EU tax body revealed in media under #TheCode
Under #TheCode European media report about Martijn Nouwens’s research on the secretive EU Code of Conduct Group which is tasked with tackling harmful tax competition in Europe. The stories expose to the wider public for the first time how this diplomatic high-level working group of EU Member States…
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Book Africanist Stephen Ellis posthumously published
The African Studies Centre Leiden presented the last book by its renowned colleague Prof. Stephen Ellis (1953-2015), This Present Darkness: A history of Nigerian organised crime, on 9 June. The book was published posthumously. Former colleagues and friends paid tribute to Ellis, who was regarded as…
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Greedy Supermassive Black Holes
Lecture, Oort lecture
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Quantum Leiden creates potential for a great quantum future
Friday afternoon, 1 October. Location: one of the most vibration-free places in the world. In this setting, Leiden top scientists launched Quantum Leiden. For decades, researchers at the Faculty of Science have been investigating quantum technology at the highest level and also have been brainstorming…
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The career choices of cells
How does an embryonic stem cell decide if it becomes a heart cell or a kidney cell? That’s the question computational biologist Maria Mircea studied for her PhD research. She looked at the inside of individual cells to analyse how they change. This is what she discovered.
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A piece of rubber can't count. Right?
Martin van Hecke and Lennard Kwakernaak (Leiden university and AMOLF) develop a mechanical metamterial that can count to ten in their research.
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A quirky block of rubber as a calculator
PhD candidate Jiangnan Ding explores how you can design a thick slab of rubber in a way that it might act as a mechanical computer bit. This so-called mechanical metamaterial is pushed in a specific way to change its shape. ‘With a very simple material, we might be able to do simple calculations in…
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New spinoff company to solve major roadblock in the quantum revolution
Physicist Kaveh Lahabi’s research on quantum materials led to the launch of a new company: QuantaMap. With his colleagues, he developed a sensor that will improve the production of quantum computer chips. ‘It turns out that what I need for my fundamental physics research is also very useful for the…
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This is how physicists contribute to the energy transition
Studying surfaces of solid materials: it may not seem relevant to energy consumption, but it is. Marcel Rost studies how platinum electrodes wear out. Those electrodes are a crucial component in the fuel cells of hydrogen-powered cars. ‘We need to make the switch from fossil fuel energy to hydrogen.…
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Corrugated plastic unveils a new design principle for programmable materials
Martin van Hecke en Anne Meeussen publiceren in het tijdschrift Nature over mechanische metamaterialen. Ze hebben een nieuwe klasse multistabiele materialen ontdekt. Dit is gebaseerd op ribbeltjes plastic.
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New book: Markus Davidsen publishes book on supernatural fiction used as religious texts
How do religious narratives persuade their readers to believe their message? And how can it be that some readers even come to treat fantasy and science fiction as authoritative religious texts? These are the core questions treated in Markus Davidsen’s new book Narrative and Belief: The Religious Affordance…
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Dissertation: Unpacking the new powers in European democracy
The presence and participation of interest groups in policymaking processes has become a crucial component of Western democracies. These groups link society and policymakers and influence public policy choices. Their function however, is often taken for granted and not very well researched. Adrià Albareda…
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Complex Organic Molecules Discovered in Infant Star System
For the first time, astronomers have detected the presence of complex organic molecules, the building blocks of life, in a protoplanetary disc surrounding a young star. The discovery reaffirms that the conditions that spawned the Earth and Sun are not unique in the Universe. The results are published…
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Call for Papers 'Playing Politics: Media Platforms Making Worlds'
We are living through an age in which social media platforms have given way to entirely new forms of politics and politicking. It is no exaggeration to say: there is a before and after social media.
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Astronomers capture first image of a black hole
For the first time, astronomers have managed to take a photo of a supermassive black hole and its shadow. They used the Event Horizon Telescope (EHT), a worldwide network of eight radio telescopes that together form a virtual telescope the size of the earth. The news was presented in six press conferences…
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First detailed picture of ice in planet-forming disk
An international team of astronomers led by Ardjan Sturm of the Observatory has made the first two-dimensional inventory of ice in a planet-forming disk of dust and gas surrounding a young star. The researches, including Melissa McClure, used the James Webb Space Telescope and publish their findings…
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Pitfalls of discretionary conduct
Judicial officers have some leeway in how they act. In most cases that's fine, but it can also lead to abuses, such as ethnic profiling. It is easy to forget that these are not isolated decisions, but are also part of a framework of formal policies. Professor Maartje van der Woude calls for more comprehensive…
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‘All of Leiden will join in with the Seeing Stars experiment’
What will happen if the lights in a large part of the city are switched off? How many stars can you see without all that light pollution? This is what researchers, artists and the residents of Leiden are going to investigate during Seeing Stars Leiden on 25 September. ‘Leiden is the ideal place for…
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Blogging about the Middle Ages: love magic, face masks and video games
Three years ago, on 13 October 2017, the Leiden Medievalists Blog was established. In their blogs, Leiden researchers from all disciplines talk about the Middle Ages in a fun and interesting way. Editors Jip Barreveld, Marlisa den Hartog and Thijs Porck talk about the blog and why the Middle Ages are…
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Chemotherapy without side effects? It’s possible, with light
Nausea, neurologic pain and hair loss: some of the severe side effects of chemotherapy. Not necessary, biochemist Liyan Zhang showed. Together with Leiden biologists and others, she achieved great results with a drug that is only active in combination with light. Zhang will defend her PhD on 4 July.
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@ThroughOcular shows the beauty of plants, fungi and algae
Beautiful microscopic specimens play the leading role in the course 'Biodiversity Plant' for first-year Biology students. Normally these are put back in storage right after the course. But not this year!
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Lights out, stars on: Daan Roosegaarde on Seeing Stars Leiden
‘What if we switch off all the lights one evening? That idea crossed my mind from time to time. And when I mentioned it to a taxi driver one day, he said: “Oh, you mean: lights out, stars on!” That’s not completely true, of course, because the stars are always on, but his phrase summed up the idea n…
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Astronomer Danna Qasim wins two prizes for dissertation on methane ice
Former Leiden Observatory PhD candidate Danna Qasim has won no less than two prestigious prizes with her thesis, titled 'Dark ice chemistry in interstellar clouds'. Qasim received the IAU PhD Prize from the IAU. The Astrochemistry Subdivision of the American Chemical Society (ACS) honoured her work…
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Thierry Rohmer received Ernst Award for elucidating the light-switch of plants
PhD student Thierry Rohmer received the Ernst Award 2009 of the Gesellschaft Deutscher Chemiker (GDCh) for his publication in the Proceedings of the National Academy of Science of the USA on the structure-function relation of the photoreceptor phytochrome. The prize was presented at the Annual Discussion…