503 search results for “black holes” in the Public website
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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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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…
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Tracing cancer with a simple blood test
Thanks in part to the persistence of a Leiden research group, cancer could be detected in the near future with just a single drop of blood. Not only can the diagnosis be determined at an earlier stage, but the blood test is also cheap, fast and patient friendly. The first results of this method seem…
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The king is dead. Long live the king?
Kim Jong Il, leader of North Korea, is dead. His youngest son Kim Jong Eun is expected to be his successor. Remco Breuker, Leiden Professor of Korea Studies, gives a profile of the new leader.
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Dies lecture: ‘Connect agriculture with nature’
‘Make more room for nature on farmland and you'll be surprised at the result.' This was the advice from Geert de Snoo in his Dies lecture.
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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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‘Too much empathy is bad for justice
It is good for a judge to have some empathy with victims and offenders. But too much empathy can be harmful to the practice of the law, as PhD candidate Claudia Bouteligier has found. Literature may offer a solution. PhD defence 18 September.
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Physicists find way to control fractures
Rigid materials break more easily than floppy ones. This simple observation allows to predict and control the width of cracks. Theoretical understanding of how materials break is useful in for example the production of cars or screens. Publication in PNAS.
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A real professor in the classroom
It’s starting to become a real Dies Natalis tradition: on 8 February professors from Leiden University teach a class at primary schools in the region. This introduces children to academia and teaches them more about conducting research. ‘Had you expected me to be a woman?’
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Saniye Çelik on Dutch NOS Radio 1 News: Acknowledging racism and discrimination is the first step to a solution
Not only the United States but also the Netherlands are faced with 'systemic problems' to do with racism and discrimination, according to Dutch Prime Minister Rutte during a press conference held on 3 June. The Prime Minister responded to the events taking place in the United States after the death…
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5 Vidis for Leiden researchers
Of the 87 Vidi research subsidies awarded by NWO, five have been awarded to Leiden researchers. This represents almost 6 per cent of the successful applications.
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Poisonous colours increase chances of sexual success
Warning colours ensure that predators remember that certain prey are poisonous. But now it appears that the colours of poisonous Panamanian frogs are also influenced by fastidious females: partner choice can also lead to colour change in these frogs, as Leiden researcher Martine Maan has reported in…
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NWO subsidies for cybersecurity projects
Three cybersecurity consortia that Leiden University is part of have been awarded subsidies of over a million euros by NWO. Leiden is the coordinator for two of the projects.
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As an organisation, how do you manage a crisis?
How do you manage a crisis? This is what Professor of Crisis Governance Sanneke Kuipers will address in her inaugural lecture.
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Lecture: How Social Ties are Critical during Crises
Join this lecture from professor Daniel Aldrich at the Spanish Steps in Wijnhaven on Wednesday 3 November. Dr. Sanneke Kuipers, associate professor in Crisis Governance, will be the moderator of the lecture and she and professor Aldrich give us a preview of the event.
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Al Qaeda in de Islamitische Maghreb ontrafeld: de brede blik ontbrak
Sergei Boeke has once again proven that there are more roads than one that lead to Rome with his PhD research into al Qaeda in the Islamic Maghreb. It is both the core point of his conclusions as well as the leitmotiv for his approach. Boeke’s dissertation is comprised of five academic articles that…
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Alumnus Francis Farrell: 'I experienced some crazy moments on the front line'
Alumnus Francis Farrell (International Studies, 2018) works as a reporter at the Kyiv Independent, where he covers Russia's war against Ukraine. 'I experienced some crazy moments on the front line'
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Thinking about yourself and your ideal job
How do you tell your professional story? This formed the basis of the Personal Branding workshop for young alumni at PLNT, the Leiden Centre for Innovation and Entrepreneurship on 22 July. Forty-five alumni came along.
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Fetal laser surgery as a last resort
For his dissertation, Joost Akkermans searched for areas of improvement for delicate fetal laser surgery with Twin Transfusion Syndrome (TTS). This syndrome occurs in the Netherlands 60 to 70 times a year among single-egg twins sharing one placenta. Treatment is possible, but not without risk. Inaugural…
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Alumna Natacha Harlequin: ‘When it really matters, I’m a lion’
She stands out for the moderate tone she takes in discussions on Dutch talk shows. Without judgement you can have an open conversation, criminal lawyer Natacha Harlequin learned in her student days in Leiden. ‘What I personally think of the alleged act doesn’t matter so much.’
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2019 Hall of fame
Over the past year, many of our staff and students have won prizes, been awarded a substantial grant or been appointed to an academic association or a position in public life. All of these are good reasons to include them in our 2019 Hall of Fame. We are proud of them all.
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How students incorporate sustainability in their master thesis
Many students are finishing their master thesis on sustainability this summer. In this blog, we reflect on their topics, approaches, and goals by highlighting theses from Governance of Sustainability, European Law, Global Archaeology, Computer Science: Artificial Intelligence, Industrial Ecology, and…
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Experience day Data Science & Artificial Intelligence
Study information
- Column by the Diversity Officer
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Separating waste, and then...?
What happens to the different waste streams?
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Book Reviews
The Hague Journal of Diplomacy regularly publishes reviews of recent books within the field of diplomacy and global affairs.
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The Hague Threat Intelligence Exchange (Hague TIX) 2023
Conference
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StepTalk ‘Policing in the US: What’s Feminism Got to Do with It?’ by Josephine Ross
Police killed Eric Garner 9 years ago (‘I can’t breathe’) when he resisted a search. Now everyone will consent to stops and searches. Law Professor and author Josephine Ross looks to feminism: what police call consent, feminists would call submission. During the lecture on Wednesday 31 May, Josephine…
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Field of honour full of life
The four thousand war victims buried at the Netherlands Field of Honour at Loenen include a number of Leiden students who were in the Resistance. The War Graves Foundation is looking for volunteers to take part in a special event to honour the deceased.
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Leiden Bio Science Park: connecting with the community
For Harry Flore, chair of the LBSP business asociation and CEO at Hal Allergy, the Leiden Bio Science Park (LBSP) has no secrets. But he can well imagine the park is a black box for some staff and students at the university: 'I welcome collaboration on all fronts.'
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Tom Kouwenhoven wants to develop a bridge between AI and humans
It is a familiar phenomenon: you ask the assistant on your phone to call your mother, but it calls a friend instead. Tom Kouwenhoven, PhD student in the SAILS programme, investigates how humans and Artificial Intelligence (AI) can better communicate with each other, so that these kinds of situations…
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Release of the Leiden Ranking Open Edition
The Centre for Science and Technology Studies (CWTS) at Leiden University, in collaboration with the Curtin Open Knowledge Initiative (COKI), Sesame Open Science and OurResearch, have today launched the new Leiden Ranking Open Edition, based on open and reproducible data, providing a transparency and…
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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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Multiple star systems: how they got here and why it matters
Disk formation around stars is an important factor in determining whether one or multiple stars evolve. But the big picture of star formation is still far from complete, says PhD researcher Nadia Murillo.
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Leiden Classic: 4 Questions on the origins of the university and the Dies Natalis
Every year around 8 February, Leiden University, the oldest university in the Netherlands, is celebrating its birthday. Why does the King still receive a telegram on the day of the Dies Natalis? 4 questions on the origins of Leiden University and its traditions for celebrating its foundation day.
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The stories behind the women's portraits
An anatomical model of a heart, a mechanical digger or photos of mother and grandmother. Research interests and personal motivations have been given a place in the thirteen new portraits of women now on display in the Senate Chamber. ‘That cat isn't just a cute lap cat.'
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Children develop prejudice at an early age
Children in the Netherlands develop prejudices based on ethnicity at an early age. Ymke de Bruijn (27) came to this conclusion in her dissertation ‘Child Interethnic Prejudice in the Netherlands: Social Learning from Parents and Picture Books’. For her PhD project she took a closer look at the behaviours…
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Anti-Asian racism deserves much more attention
Racism and discrimination come in many different shapes and forms – in the Netherlands too. Verbal attacks, stereotypes and violence: some people are confronted with these on a daily basis. A group that is often not included in research and the debate on racism is people of Asian descent. The Diversity…
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Jelle van Buuren Explains American Boogaloo Boys
A particular group of counter protesters have been sighted at numerous Black Lives Matter protests that were held in the United States. An extreme right movement known for its characteristic Hawaii Shirts and heavy weaponry that calls itself the Boogaloo Boys. Which is cause for concern among the American…
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Even plants can have neighbour trouble
Restoring a natural plant environment on exhausted agricultural lands and in nature areas is difficult. We can speed this up by steering the soils towards the desired situation. This is what Martijn Bezemer, newly appointed Professor of Ecology of Plant-Microbe-Insect interactions at Leiden University’s…
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Symposium: The making of an inclusive Leiden University. Do's and Don'ts
What do we need to do for Leiden University to become a truly inclusive institution, where everyone feels at home and has equal opportunities? This is the key question at the annual symposium on diversity and inclusiveness on 1 December. If you would like to put your views, sign up now!
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What if humans could have a different impact on Earth?
Starting 2 July 2022, a new exhibition will be opened to the public at the Old Observatory: More-than-Planet. This exhibit asks the question: how do we imagine our planet?
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Implications of the German Elections; interact with experts and join the event
Five questions about the event ‘Germany after the Elections: implications for Foreign Policy and European Security’ answered by one of the experts at the event: Joachim Koops. Come by at the Spanish Steps in Wijnhaven on Friday 15 October or join the event online (link below).
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Leiden Classics: the man behind the beadle
Almost everywhere in the world where the post exists, the beadle is a ‘master of ceremonies’ who only makes his appearance on special occasions. In Leiden the beadle does much more. He is indispensable at dissertation defences and orations. He directs ceremonies and is a master at calming nerves.
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Plastic Soup Surfer calls for sustainable academic year
One person can already make a difference, and if all students and academics were eco-friendly, the world would be a much more sustainable place. Plastic Soup Surfer Merijn Tinga opened the academic year in Leiden with this message.