477 search results for “dark matter” in the Public website
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Vidi grants for nine Leiden researchers
From artificial intelligence to letters from the Dutch East Indies and from breast-cancer gene BRCA-1 to the collaboration between government and opposition: nine researchers from Leiden University have been awarded a Vidi grant for their research.
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Resolution of electron microscope greatly improved
The use of a new type of detector has generated a strong improvement in the resolution of electron microscopes. The 'low-energy electron microscope' (LEEM) can now be used for research on the thinnest possible materials. The tests with the detector represent the first result of the ESCHER project.
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Astronomers capture first-ever image of a multi-planet system around a Sun-like star
An international team led by Leiden astronomers has taken the first-ever image of a young, Sun-like star accompanied by two giant exoplanets. The researchers used The European Southern Observatory’s Very Large Telescope for this, known as ESO’s VLT. Images of systems with multiple exoplanets are extremely…
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Dick Stufkens Prijs 2015 awarded to chemist Tatu Kumpulainen
The Dick Stufkens Prijs for the best PhD thesis of the Holland Research School of Molecular Chemistry (HRSMC) has been awarded to Dr Tatu S. Kumpulainen for his thesis “Proton-Transfer Reactions in ‘Super’ Photoacids and Supramolecular Assemblies”. It describes his innovative research into methods for…
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Putting migraine into words: the patient’s account is crucial for diagnosis
Migraine can’t be diagnosed with a blood test, scan or physical examination. Language therefore plays a crucial role in its diagnosis. Neurologist Joost Haan has researched the relationship between language and migraine, and looked at how migraine is described in fiction. His PhD defence is on 22 Oc…
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Young children associate Black Pete more with clowns than with black people
Older children more frequently link Black Pete with a black person. Both younger and older children think positively about him. This is the conclusion of a study conducted by Judi Mesman, Professor of Diversity in Parenting and Development.
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From research project to market leader in cycling tours for elderly
‘In Hong Kong, the elderly found our popular nature routes boring, so they now cycle our action-packed routes through New York.’ What once started as an assignment for the Master Programme Media Technology, has grown into the international market leader in the field of virtual reality exercises for…
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Zomerse rondleidingen in het Academiegebouw
Benieuwd naar het Groot Auditorium of het Zweetkamertje? Tussen 25 juli en 10 augustus kan je gratis het Academiegebouw bekijken bij een rondleiding.
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Pilgrim conference: high time for an indigenous and more diverse perspective
Historians and experts in American studies from Leiden University are holding an online international conference about the arrival of the Pilgrims in America and the consequences for the indigenous societies. We asked four questions to two of its organisers, American Studies expert Joke Kardux and historian…
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Physicist Sense Jan van der Molen plays ‘Dutch shuffleboard’ with electrons
Physicist Sense Jan van der Molen researches materials that do not exist in nature. ‘It’s fascinating to see how the properties of a material change if we manage to make it super thin.’ He will give his inaugural lecture on 21 October.
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Searching for the origins of life in space with 8.9 million euros
With 8.9 million euros from the Danish National Research Foundation, Aarhus University and Leiden Observatory will establish the Center for Interstellar Catalysis. The centre is led by Aarhus professor Liv Hornekær and aims to find out how and when the building blocks of life formed in the Universe.…
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Astronomers find largest radio galaxy ever
By a stroke of luck, a team led by Dutch PhD student Martijn Oei has discovered a radio galaxy of at least 16 million lightyears long. The pair of plasma plumes is the largest structure made by a galaxy known thus far. The finding disproves some long-kept hypotheses about the growth of radio galaxie…
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Veni grants for eleven Leiden researchers
Eleven Leiden researchers have been awarded a Veni grant by the Dutch Research Council (NWO). The grant will enable them to develop their research ideas for a period of three years.
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The mystery of Einstein's sink
According to some stories, Einstein washed his hands there only once. According to others, students moved it as a joke. Whatever the case may be, Einstein's sink has enjoyed mythical status among students and employees of the Faculty of Science for decades. But what is the real story? Alumnus Alex Pietrow…
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Is Michael Meijer the Smartest Chemist of the Netherlands?
He is occupied with the home stretch of his promotion. But in between, there is another challenge: Michael Meijer is going through to the finals of ‘The Smartest Chemist of the Netherlands’. On Tuesday 9 October, he and five others fight for this title during the Evening of Chemistry. ‘I was dragged…
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Cleveringa Professor: Holocaust remembrance has led to very different political lessons
From memorials to the armed forces to memory stones for individual victims. It was only later that the Holocaust took a central role in Western remembrance culture, Cleveringa Professor Frank van Vree notes. ‘Nationalists and human rights activists both invoke the experience of the Holocaust.’
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How Leiden University celebrated its first day in 1575
Lifelike gods, provisional professors and the city militia with weapons a clanking. Leiden put on a colourful procession and drummed up hundreds of citizens to celebrate the foundation of the first university of the Republic of the Netherlands on 8 February 1575. 'It wasn't a party just for the sake…
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PhD research Marije Groos
Marije Groos was a PhD researcher at the LUCAS. She completed her thesis on socio-political engagement in Dutch literary periodicals of the fifties. Her promoters are Yra van Dijk, professor of Modern Dutch Literature, and Ton Anbeek, emeritus professor of Modern Dutch Literature.
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Coats, glasses and gloves, your last line of defense
Marie Curie once said: I have no dress except the one I wear every day. If you are going to be kind enough to give me one, please let it be practical and dark so that I can put it on afterwards to go to the laboratory.
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Law firms play dubious role in Indonesian land disputes
Law firms play a dubious role in important land disputes in Indonesia. They act as fixers and settle conflicts to the advantage of large companies. PhD candidate Santy Kouwagam studied their modus operandi. PhD defence on 23 June.
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The James Webb Telescope takes stunning photos. But what exactly are we looking at?
For over a year now, the James Webb Telescope has been sending stunning images that exceed astronomers’ expectations. The photos are fascinating to see, but what exactly are we looking at? Assistant professor Melissa McClure explains.
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Designing better catalysts using simple chemical concepts
An international team of researchers, including Federico Calle-Vallejo of Leiden University’s Institute of Chemistry, have taken the atomic-scale design of catalysts to the next level. Their research contributes to the quest for a method to generate or store energy more efficiently. The report is published…
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New dataset helps to understand environmental impact of offshore windfarms
While offshore wind farms generate clean and green energy, scientists are becoming increasingly aware of the harmful impact they may have on marine life. To get a better overview of these impacts and to find the best locations for future wind farms, environmental scientist Yali Si and her colleagues…
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How ‘Mao’s little generals’ wreaked havoc in China
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.
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Spin-off from astronomy: measuring water pollution with your mobile
Leiden astronomers and ecologists are developing an instrument that lets people measure the quality of surface water with a smartphone.This international citizen science project, MONOCLE, is a collaboration between scientists and local people in Tanzania, Brazil and four European countries.
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‘Dear Aunt Olga’ exhibition on the ties between Suriname and the Netherlands
The Surinamese-Dutch language, Parbo Beer and, of course, football. The ‘Dear Aunt Olga’ (‘Lieve tante Olga’) exhibition focuses on the shared Surinamese-Dutch culture. Full of cheer and with life experience to spare, ‘icon’ Aunt Olga (95) leads visitors through a shared history and does not shy away…
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The healing power of light
Light makes us flourish – in this respect we humans are just like a rose or an azalea. Light can also be used to treat people who are ill. In Leiden, Sylvestre Bonnet and Esther Habers are working – each in their own discipline – on new applications of light in a clinical context.
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Chimpanzees recognise one another from their rear ends
It is important for social animals to be able to recognise one another quickly. Humans are able to recognise each other immediately from their faces. Faces are also important for chimpanzees, but a new study by neuropsychologist Mariska Kret in PLOS ONE shows that the animals' buttocks also play a…
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Electric car batteries can help drive the clean electricity transition
As early as 2030, batteries in electric vehicles could fully meet the need for short-term electricity storage around the world. By connecting them to the power grid they can provide their stored energy, improving energy security and enabling renewable technologies in cleaning the grid.
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New study helps policymakers combat global warming with negative-emissions technology
Cutting down global emissions of greenhouse gases to combat global warming won’t do the trick alone: we also need negative-emissions technology that can capture carbon dioxide directly out of the air. In the prestigious journal Global Environmental Change, PhD candidate Oscar Rueda and colleagues shed…
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This is what you want to know about the new directors of education Biology as a student
From 1 October onwards, Dennis Claessen and Marcel Schaaf will be the new directors of education of Biology. They will replace Han de Winde. Schaaf will be responsible for the bachelor, while Claessen will mainly focus on the master tracks of Biology. We gave students and the education office the change…
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CPP Annual Lecture 'Refugees and the Politics of Inhumanitarianism'
Lecture
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Painting and Drawing
Arts and leisure, Arts and leisure
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Van Marum Colloquium: Imaging Electrochemical Reactions by Operando Optical Microscopy
Lecture
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Workshop painting winter landscapes
Arts and leisure, Arts and leisure
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Painting Winter Landscapes with techniques of the Old Masters
Arts and leisure, Arts and leisure
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Hester Bijl on racism, inclusion and diversity at Leiden University
We talked to Hester Bijl about the worldwide protests sparked off by the death of George Floyd. A demonstration against racism will also be held in Leiden on 14 June. How does she, as Vice-Rector responsible for diversity and inclusion, view this issue? What steps is the University taking? And how can…
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Paul Christiaan Flu: a Surinamese professor in a time of war
Paul Christiaan Flu, originally from Surinam, was a brilliant tropical doctor, who in 1938 rose to the position of Rector Magnificus of Leiden University. The war years brought his lightning career to an abrupt end: his son was murdered and he himself was imprisoned in a concentration camp. A sad family…
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‘We have to stay alert and keep on feeling the past’
Space for open dialogue on historical slavery was created at the Keti Koti Table at Museum De Lakenhal, organised by Leiden University and the Municipality of Leiden. There, just metres away from 17th-century paintings, Leideners shared a ritual meal and spoke about the effects of slavery and our colonial…
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Debate: ‘A Crisis on the Rise? The Impact of Violence and Impunity on Mexican Society’
Mexico is currently facing an unprecedented social and political crisis, with expanding criminal and political violence, rampant impunity and crumbling political institutions. Next to the daily report of anonymous victims of violence, last summer in Central Mexico at least 15 citizens were executed…
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How mathematician Hendrik Lenstra completed an unfinished artwork by Escher
Twenty years onwards, in a review of an Escher exhibition in Italy, Nature Physics writes about it again: Leiden mathematicians helping Escher out. A reconstruction of how emeritus professor Hendrik Lenstra tracked down a 44-year-old problem.
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Devin DeWeese will be the Central Asia Visiting Professor in September 2016
Devin DeWeese, Indiana University Bloomington, will be the Central Asia Visiting Professor between 5-17 September 2016. Professor DeWeese will deliver a guest lecture on Monday, 12 September (Lipsius 148, 3pm) and a masterclass on Friday, 16 September within the Central Asia initiative at Leiden Uni…
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‘Terrorism is theatre and we are the audience’
After every attack, terrorism researchers are often asked the same question: who did it? Jeanine de Roy van Zuijdewijn, a researcher at Leiden University, doesn’t always have a ready-made answer.
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Blog Post | Public Diplomacy in the Digital Age
In this blog post, authors Corneliu Bjola, Jennifer Cassidy and Ilan Manor discuss their article for the Special Issues on Debating Public Diplomacy: Now and Next (Vol. 14, 1-2).
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Here is how students help the municipality of Leiden to build sustainably
The municipality of Leiden aims for circular construction, but how do you reconcile that with the growing demand for housing? For the Kennisatelier Duurzaamheid, master's students from Industrial Ecology are investigating whether the municipality can build enough houses up to 2030 and still use half…
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How two metal detectorists discovered a complete Roman treasure
In 2017, in an ordinary field, two brothers from Brabant discovered more than 100 ancient coins. The Leiden historian who examined the coins concluded that they constituted a genuine Roman treasure. Here follows a reconstruction in three acts.
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Planetary Atmospheres and the Search for Signs of Life Beyond Earth
Lecture
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Painting summer landscapes in 6 lessons
Arts and leisure, Arts and leisure
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Workshop Landscape Painting
Arts and leisure, Personal development, Arts and leisure
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Casting Call: The Αngry, The Fool, The Healer/Caretaker, The Ghost, The Innocent, The One Whose Words Penetrate Brains, The Puppeteer, The…
Exhibition