489 search results for “black holes” in the Public website
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African Studies (BA)
Africa is fascinating! In today’s globalised world, the continent plays an increasingly important role in international social and cultural developments. Would you like to explore the many sides of Africa and its impact on the rest of the world, while also learning one of its languages? Our African…
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Fall of Misinformation Series: Mark Leiser
Misinformation spreads easily and fast. It gets presented as news, whereas actual news gets dismissed as fake. Conflicting streams of information allows all sides to cherry-pick whatever is most comfortable, boosting degrees of confidence and confusing the deliberation of both politicians and voters.…
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New generation of graphene biosensors based on smooth surfaces and sharp edges
The surface and the edges of graphene are expected to provide higher sensitivity and specificity in detecting and characterizing single molecules. However fundamental physical limits exist in reaching an ultimate precision in detecting the dynamics of chemical and biological systems. The research in…
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Only in America: chemist becomes America correspondent
Chemistry, which is what Hans Klis studied in Leiden, is not what one might expect of a general journalist. ‘I’m a late bloomer,’ he says, despite having spent four years as America correspondent and written a book on notorious school shootings by the tender age of 34.
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Firearms and violence in Europe–A systematic review
Firearms and violence in Europe–A systematic review by Katharina Krüsselmann, Pauline Aarten, Marieke Liem
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One-way traffic for motion in new material
Scientists have developed a material that breaks one of the fundamental principles governing many physical systems. Ordinary materials transmit external forces equally, no matter where the pressure comes from. The newly developed material breaks this rule and could potentially be of interest in soft-robotics…
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Soil samples show impact of Columbus's arrival
After Columbus landed on the island of Hispaniola (present-day Haiti and the Dominican Republic), the farming culture of the indigenous people quickly disappeared. This has been demonstrated by Leiden archaeologists and colleagues from other universities on the basis of soil research. Publication in…
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Medieval waste matter found in Leiden University Library
Erik Kwakkel, researcher at the Faculty of Humanities, has found an extraordinary manuscript in the University Library’s extensive collection of medieval books. The book in question dates back to the first half of the eleventh century and is made entirely out of waste left over from the production of…
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Keti Koti in Leiden: 'Here, too, slavery is all around us‘
Many traces of the city's slavery history can be found in Leiden but the public isn't always aware of them. The initiators of 'Mapping Slavery in Leiden' want to change this with guided tours and street markers. Representatives of the University and other Leiden institutions will be giving the first…
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‘We’re undermining science and that’s a great shame’
Kerstin Perez has reached the position of Assistant Professor of Particle Physics at the renowned Massachusetts Institute of Technology (MIT). For people from minority groups this is by no means a common experience. Perez will explain how improvements can be made at the annual Diversity and Inclusion…
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Leiden researchers on king’s apology for the Netherlands historical role in slavery
In a speech on Keti Koti the Dutch king, Willem-Alexander, apologised on behalf of the royal family for the Netherlands’ historical role in slavery. What is the significance of this?
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King and Queen consult China experts in Leiden
King Willem-Alexander and Queen Máxima attended a meeting at Leiden University on 1 October to prepare for their state visit to China. China experts informed them about such topics as the image that Chinese people have of the Netherlands.
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Millions of people to help with new synthetic skin cream
A team of researchers has managed to recreate the most natural skin cream in existence. Using the DUBBLE beamline (Dutch Belgian Beamline) at the European Synchrotron Radiation produced on the basis of the information identified, has the same properties as vernix caseosa. This cream may have a therapeutic…
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Abolition of slavery Memorial Year has begun
On 1 July – Keti Koti, in the year ahead, our university community will be able to reflect extensively on the history of slavery by engaging in research, education and many other activities.
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Voor Chinees-Nederlandse kinderen is wit de norm in Nederland
Chinees-Nederlandse kinderen krijgen via hun moeders en kinderboeken mee dat witte mensen de norm zijn, zo ontdekte promovendus Yiran Yang.
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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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State Secretary Gräper visits to discuss cultural heritage and opening up collections
How should we address our colonial heritage? And how digital and accessible are our collections? Outgoing State Secretary Fleur Gräper spoke with researchers and heritage specialists about this on 25 January.
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Algorithms and data behind Leiden Ranking in public domain
The Leiden Ranking – Open Edition is completely transparent. The ranking compiled by the CWTS uses open data and publishes the algorithms that are used.
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Home carer goes to court to demand pension and unemployment benefits
Ms. Kollmann, a home care worker in the Netherlands, is demanding pension and unemployment benefits from the Dutch Employee Insurance Agency (UWV). An exception in the law means that home carers working for private individuals are not automatically entitled to benefits under social security schemes.
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Dutch state returns stolen artefacts: ‘Make sure to tell the full story’
The Netherlands returned 478 artefacts to Indonesia and Sri Lanka this week, on the advice of a Dutch committee. Rightly so, says Leiden professor Pieter ter Keurs from the Museums, Collections and Society interdisciplinary research programme. ‘But do make it clear why you are returning something.’
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Upper Limit Found for Quantum World
The small quantum world and our world of perception obey different laws of nature. Leiden physicists search for the border between both worlds. In an article published soon in Physical Review Letters they set an upper limit.
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AI application in pathology reveals novel insights in endometrial cancer diagnostics
Research at the Leiden University Medical Center (LUMC) Department of Pathology shows the power of artificial intelligence (AI) applied to endometrial carcinoma microscopy images. The group of Dr. Tjalling Bosse offers novel insights that could improve diagnosis and treatment of uterine cancer. Their…
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Melting of frozen electrons visualized
For the first time, physicists have visualized the ‘melting’ of electrons inside a special class of insulators. It allows electrons to move freely and turns the insulator into a metal and possibly later into a superconductor. Publication in Nature Physics.
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Van Bergen Prize winner Archery Attack has growth potential
Dutch and international students brandishing bows and arrows fire at each other on the fields of the University Sports Centre on 11 May. This is the aim – not the shooting each other, but the act of getting together.
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Landscapes of Early Roman Colonization
Non-urban settlement organization and Roman expansion in the Roman Republic (4th-1st centuries BC)
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Asia
Engagement between Asia and Europe is increasing. If these continents want to build a lasting relationship, they need to understand each other better in the economic, socio-cultural, historical and legal arena. Researchers from Leiden have already contributed to the body of knowledge on past and present…
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Archaeology
At the Faculty of Archaeology, we investigate the development of human societies worldwide, from the earliest beginnings to modern times. We also study the heritage of mankind, which evokes this deep history, and which connects with, and informs, contemporary society.
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The Critical Visitor
The Heritage Sector at a Crossroads: The way of Intersectionality. This project investigates how heritage institutions can achieve inclusion and accessibility within their organization, collection, and exhibition spaces that meets the breadth of demands placed by today’s “critical visitors.” Fifteen…
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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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Theses Children's Rights online
Master of Laws: Advanced Studies in International Children’s Rights Outstanding Student Research Theses
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The quest for more antibiotics
Streptomycetes are similar to moulds, but these bacteria live in the soil. They are very popular in biotechnology because they produce a great many antibiotics and enzymes. Gilles van Wezel will be using his Vici subsidy to study ways of increasing their production.
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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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Leiden cholera epidemics mapped out, literally
Three cholera epidemics struck 19th-century Leiden. Today’s corona epidemic prompted Martijn Storms, curator of maps and atlases at the Leiden University Libraries, to scour the library for maps about these past epidemics.
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‘Diversity doesn’t appear at the wave of a magic wand’
If universities want to open their doors to more students and staff from minority groups, good intentions alone will not suffice. That is what Frank Tuitt, Diversity Officer at the University of Denver, has to say. He will speak at the University’s annual Diversity Symposium on 22 January 2020.
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An inclusive university as a joint effort
Inclusive teaching and research, a good reflection of society and a safe and accessible learning and working environment. The new Diversity and Inclusion Work Plan has set the direction of University policy and aims to create a university where everyone feels respected and at home. Diversity Officer…
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CCLS Past Events
On this page you can find information about previous CCLS events.
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Hall of Fame
Many of our staff and students have won an award, received a grant, obtained an academic fellowship for their quality or have been socially engaged due to their specific expertise. See below for an overview per year.
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The Recontextualisation of a Multiethnolect: The Case of Multicultural London English
Lecture, Sociolinguistics series
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Tell Sabi Abyad (Syria)
Leiden University and the Netherlands National Museum of Antiquities (Rijksmuseum van Oudheden) are jointly involved in the intensive archaeological exploration of Northern Syria, by means of field surveys and large-scale excavations at a number of archaeological sites in the Balikh basin: the Tell…
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Doctors and citizens under fire in conflict zones
It is time for the international community to put a stop to war crimes – especially against medical personnel, argued international chair of Doctors Without Borders Joanne Liu in her Cleveringa lecture.
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Award for modern study of Sumerian cuneiform by Bram Jagersma
Studying Sumerian grammar in your free time: Bram Jagersma did it. He described centuries-old Sumerian using a modern method he devised himself. For this PhD research he was awarded the De La Court Award for Independent Research by the Royal Netherlands Academy of Arts and Science (KNAW).
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The journey of our language in prehistoric times
For decades, scholars have wondered about the development and dissemination of languages around the world. What are the odds that peoples living thousands of miles apart speak varieties of Indo-European languages that are closely related? This riddle has now partly been solved thanks to an international…
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Veiled references to the Armenian genocide
No criticism is allowed in Turkey of the mass murder of Armenians that took place a century ago. PhD candidate Alaettin Carikci examined how contemporary artists, authors, film directors and museums have nonetheless found indirect ways of expressing their criticism.
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How killer -T-cells migrate towards virus-infected cells
Joost Beltman (LACDR, Leiden University) has provided novel insights in the way T cells migrate towards virus-infected cells. This was accomplished by a combination of experimental research in the group of Ton Schumacher (Dutch Cancer Institute, NKI) and computer simulations in collaboration with Rob…
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Sylvana Simons to give Annie Romein-Verschoor Lecture
Every year on or around International Women’s Day on 8 March, Leiden University holds its Annie Romein-Verschoor Lecture. This year’s lecture will be given by Sylvana Simons, MP and leader and parliamentary chair of the BIJ1 party. What does International Women’s Day mean to her and which challenges…
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Celestial worlds and comet hysteria in Van Dishoeck exhibition
A moon rock from the Apollo 17 mission, antique globes and the cosmos according to Wassily Kandinsky. Ewine van Dishoeck, Professor of Molecular Astrophysics, has put together an impressive exhibition at Rijksmuseum Boerhaave.
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Assyrians were more 'homely' than we thought
Archaeologist Victor Klinkenberg examined an old Assyrian settlement in Syria, near to the IS stronghold Raqqa. 'Social life was more important than military life.' PhD defence 27 October.
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Butterflies’ wing patterns change with the seasons
Tropical butterflies adapt to their environment to improve their chances of survival. The changes are triggered by hormone signals that transmit information about temperature to the butterflies' tissues. Biologist Ana Rita Mateus shows how a complex combination of environment, physiology and genetics…
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‘The Tahiti Sandpiper is my Night Watch’'
In 1800, French explorer Nicolas Baudin led an important scientific expedition to Tenerife, Mauritius, Australia, Timor and South Africa. He returned with hundreds of exotic bird species. PhD candidate Justin Jansen reconstructed this ‘catch’ in a weighty book and talked to us about the wonderful fi…