1,594 search results for “light” in the Public website
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Greek texts offer fascinating glimpse of multicultural Roman Empire
Casper de Jonge, Professor of Greek Language and Literature, believes that Greek texts from the Roman Empire are more interesting than was first thought. They offer a fascinating glimpse of the polyphonic and multicultural world of the Roman Empire. Inaugural lecture on 7 October.
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How our single-celled relatives package their DNA
A group of single-celled organisms organises its DNA in a similar way to higher organisms such as plants, animals, and fungi. However, the way packaged DNA is read out differs between the two related groups, Bram Henneman discovered. PhD defence on 5 December.
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Kids become real scientists with Lil'Scientist
Children are perfect scientists: they are bursting with curiosity, they want to know how the world works and they go exploring every day. Yet many children barely get a chance to be engaged in science. A number of scientists from the Young Academy want to change that. They have received 150,000 euros…
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Grand opening of renovated Arsenal building
The renovated Arsenal building, part of the Humanities Campus, has been in use since April 2020. The building was officially opened on Monday 13 June by Martijn Ridderbos, Vice-Chairman of the Executive Board, and Mark Rutgers, dean of the Faculty of Humanities.
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Tenth Easter Island conference focuses on reconciliation
The tenth International Conference on Rapa Nui (Easter Island) and the Pacific will be a special edition with a focus on reconciliation. The fatal shooting in 1722 will be remembered, when the Dutch shot and killed ten Easter Islanders. The conference will be held in Leiden from 19 to 24 June.
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Exhibition photographic oeuvre of world traveller Alexine Tinne
In collaboration with the The Hague Historical Museum and photographer Dagmar van Weeghel, Leiden University Libraries (UBL) is the first to present a retrospective exhibition of the photographic oeuvre of Alexine Tinne (1835 – 1869). New research into her life and work is the reason for a reappraisal…
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Searching for an explanation for remarkable behaviour of ice on Earth
If you replace the standard hydrogen atoms in ice with a heavier variant, something odd happens. The volume occupied by the molecules increases by 0.1 per cent. Leiden chemist Jörg Meyer and his colleagues have created a theoretical model that describes this behaviour. Their research appeared on the…
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‘Discoverer of the Year’, best dissertation and Education Award 2014
At the New Year’s reception of the Faculty of Science on 6 January, it was announced that Annelien Zweemer, Leiden Academic Centre for Drug Research, has been awarded the ‘Discoverer of the Year 2014’ prize. Matteo Brogi, Leiden Observatory, wrote the best dissertation in 2014 and Dennis Claessen, Institute…
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Breaking and making the ancestors
Arjan Louwen (MA) will start a PhD research project on the social and ideological aspects of Late Bronze Age and Early Iron Age cremation graves in continental Northwest Europe (1100-500 BC): Breaking and making the ancestors. Making sense of the inconspicuous 99% of urnfield graves.
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The Middle East doesn't exist
On Friday 2 October journalist Sander van Hoorn starts his lecture series ‘The Middle East doesn't exist’, which was organised by the Leiden University Centre for the Study of Islam and Society (LUCIS). ‘If all goes well, people will understand the Middle East that bit less after my lectures.’
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Researchers debunk earlier study: babies may not be able to learn language rules after all
For two decades, language experts were certain that babies were able to learn language rules from as young as the age of seven months. However, recent research carried out by a consortium of four Dutch baby labs led by researchers from Leiden cast doubts on this certainty. We spoke to researchers Andreea…
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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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On the trail of Cleveringa
He is primarily known for his protest speech against the dismissal of his Jewish teacher Eduard Meijers, but who was the man behind this iconic figure? This is the subject of the travelling exhibition 'On the trail of Professor Rudolph Pabus Cleveringa’. The exhibition can be seen from 16 January to…
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Searching explanations for mysterious structures in protoplanetary disks
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.
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Discoverer of the Year Paul Behrens: ‘We’re running out of time’
Earlier this year, the public voted environmental scientist Paul Behrens Discoverer of the Year 2018. Behrens is an interdisciplinary scientist who wants to understand our impact on the planet. ‘Unfortunately, we are not doing enough. Huge changes are underway and we’re running out of time to avoid…
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Clay tablets dating back thousands of years moved: ‘From receipts to the oldest literary works’
How do you move 3,000 fragile clay tablets that date back thousands of years? This was the challenge faced by staff from the Netherlands Institute for the Near East (NINO). After years of preparation, the Liagre Böhl collection has been moved on trolleys to its new home.
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Still the cat’s whiskers: De Kattekop nursery at 40
If there’s one place at the University where it doesn’t matter where you come from, it’s De Kattekop. This, the University nursery, celebrates its 40th birthday in September. Its history reflects developments at the University. Parents are full of praise for it.
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Producing new plants without sowing
Producing offspring of a crop without sowing and that is even bigger than the parent plant. According to Leiden researchers this can be achieved by overstimulating a single gene that rejuvenates cells, including bringing them back to the embryonic phase.
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The winner of the 2018 Faculty Teaching Prize
The Teaching Prize is presented every year during the opening of the Faculty Year as a means of showing our excellent, devoted lecturers the appreciation they deserve. Lecturers are nominated by students, student associations and student members of programme committees. Four were nominated this year…
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Pilgrims came to Leiden for ‘brain training’
The Pilgrims to America exhibition at Museum De Lakenhal inspires reflection. How far do you go in the quest for freedom? It focuses on the Pilgrims’ relationship with the University and which knowledge they took with them from Leiden.
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Using the placebo effect for your health
Even if you have a healthy lifestyle, there's a lot to experience and learn during the Healthy University Week, from 26 to 30 October. Health psychologist Andrea Evers is enthusiastic about the week ahead. She tells us about the programme and gives us a taste of her own talk on what the placebo effect…
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Scientific research with any smartphone camera
Although smartphones and other consumer cameras are increasingly used for scientific applications like citizen science, it’s still difficult to compare and combine data from different devices. PhD student Olivier Burggraaff developed a new easy-to-use standardised method which makes it possible for…
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The real value of the telescope-on-a-plane
Cornelia Pabst is a PhD candidate at Leiden Observatory, whose research is based around primary data taken by instruments onboard SOFIA, an airplane-based observatory on which she has flown multiple times. Pabst explains how this airplane has impacted her research career and gives her views on the ever-present…
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Leiden astronomers calculate genesis of Oort cloud in chronological order
A team of Leiden astronomers has managed to calculate the first 100 million years of the history of the Oort cloud in its entirety. Until now, only parts of the history had been studied separately. The cloud, with roughly 100 billion comet-like objects, forms an enormous shell at the edge of our solar…
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The 2018 Teaching Prize for the Humanities
Who will win this year’s Teaching Prize in the Faculty of Humanities? Who will the students honour with this coveted token of their appreciation? Read on to get to know four passionate teachers – about minds working at top speed, experimental teaching styles and that satisfying moment when the penny…
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At Beehive it's all about students
Working together, sharing information, communicating and having the same goals. At the official opening on 30 November, biologist Koos Biesmeijer compared Beehive, Leiden University's new student centre in The Hague, with the activities in a real beehive.
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Miraculous mechanism allows plant cells to directionally distribute the growth hormone auxin
Leiden and Austrian researchers have succeeded in further uncovering how a plant cell passes on the growth hormone auxin in a directional manner to the next cell. Three proteins that cling together in a bunch appear to be essential for this important transport process. ‘This discovery solves a crucial…
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Historian cracks Queen Juliana’s unstable image in Hofmans affaire
Queen Juliana was not, as is often claimed, a monarch with an unstable character who was completely under the influence of spiritual healer Greet Hofmans. Furthermore, her religious circle of friends was not a sect with a political agenda. That is what Han van Bree concludes on the basis of a new archival…
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Spinoza prize for Leiden astronomer Xander Tielens
Leiden astronomer Xander Tielens has been awarded a Spinoza prize, the highest scientific prize in the Netherlands. Tielens is Professor in the Physics and Chemistry of Interstellar Space. He studies large and complex, often organic, molecules found in interstellar space. The Spinoza prize carries a…
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On safari in the Bio Science Park
It is a warm day. The sun is shining brightly while biologist Marco Roos makes his way through the bushes towards a peculiar little plant. Insects buzz, birds chirp. In the background rises the LUMC: at the Bio Science Park in Leiden, people and nature come together in a special way.
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Donation of personal archive and collection of Leiden Sinologist Robert van Gulik
The family of the famous diplomat, sinologist and writer Robert van Gulik has donated his personal archive and part of his collection to Leiden University Libraries (UBL). The collection and archive provide insight into the life and work of Robert van Gulik, who became known to the general public for…
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Images of the Indonesian War of Independence, 1945-1949 - Online Exhibition
Starting January 18, the online exhibition Images of the Indonesian War of Independence, 1945-1949 can be viewed via the UBL website. The exhibition is the result of a collaboration between the Royal Netherlands Institute of Southeast Asian and Caribbean Studies (KITLV) and Leiden University Libraries…
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Many planetary systems prematurely evaporate into thin air
When stars are born, large clouds of gas and dust form that are known as circumstellar discs. Research by PhD candidate Francisca Concha-Ramírez shows that strong radiation from neighbouring stars soon evaporates the dust in these discs, which can prevent planet formation at an early stage. PhD defence…
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'We want to use academic knowledge to make the horticulture sector more sustainable'
The Dutch horticultural sector faces the challenge of becoming fully circular by 2030. Professor of Environmental Biology Peter van Bodegom is going to commit himself for four years to guiding this transition and nudging it into the right direction. Together with Leiden-Delft-Erasmus Centre for Sustainability…
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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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Online education in the lecture hall
Everything around us is in motion. Students, the University, technology, society, the labour market and the world. These developments provide an impetus to experiment with new forms of education. This article samples a small selection of the many dozens of innovative educational projects. What is striking…
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Universiteit Leiden onderzoekt eigen slavernijverleden
Het College van Bestuur laat door een postdoc een eenjarig vooronderzoek doen naar het koloniale en slavernijverleden van de Universiteit Leiden.
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Functional networks in healthy and sick brains
Are disturbances to the brain, such as Alzheimer's or autism, linked to specific defects in the underlying communication networks in the brain? If this is the case, subtle changes in the networks can act as a marker for brain disturbances. Neuroscientist Serge Rombouts will be investigating this, together…
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‘I take my students with me up the mountain’
It's good to have high expectations of your students, says public administration lecturer Maarja Beerkens. ‘But I don't stand at the top of the mountain telling them to climb up.' This empathic and at the same time demanding lecturer has been nominated for the LUS Teaching Prize.
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Dick Stufkens Prijs 2019 awarded to electrochemist Thom Hersbach
The Dick Stufkens Prize 2019 for the best PhD thesis of the Holland Research School of Molecular Chemistry (HRSMC) will be awarded to Thom Hersbach. In his thesis, Hersbach presents a thorough analysis of cathodic corrosion. His comprehensive research, on which he graduated with the distinction cum…
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Leiden involved in global science communication study
Launched in early March, GlobalSCAPE is an EU-funded project seeking to understand the current state of science communication globally, especially in non-western countries. Through the Department of Science Communication & Society, Leiden University is one of the main partners of the project, which…
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Thijs Porck receives Bolland Fonds research subsidy
Thijs Porck has successfully applied for a subsidy for a research project that will study the early correspondence of G. J. P. J. Bolland, an autodidact student of Germanic languages who would later become one of the country’s leading philosophers. The project is sponsored by Leiden University Fund…
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Why we need to look underwater to understand our past
Traces of the past remain hidden in rivers, lakes and seas. In his inaugural lecture Martijn Manders will explain why underwater archaeology is important to understanding our history.
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Looking at the big world of microbiology through the smallest lenses
Antoni van Leeuwenhoek, the father of microbiology, died 300 years ago. 2023 has therefore been designated the Antoni van Leeuwenhoek year. The new Unimaginable exhibition in Rijksmuseum Boerhaave is about the amazing world that Van Leeuwenhoek made visible. What was so special about the way he worked?…
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Cultural stereotyping in European Union governance: research on the impact of stereotypes receives ERC Starting Grant
EUROTYPES is a research project developed by political scientist Adina Akbik, for which she recently received a European Research Council Starting Grant. Her aim is to examine the impact of cultural stereotypes in European multi-level policy enforcement. One of EUROTYPES' innovations lies in its focus.…
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Two NWO grants for Johan Rooryck
LUCL is pleased to announce that Professor Johan Rooryck has been awarded both an NWO Horizon Grant for his project entitled 'Knowledge and culture', and an NWO Vrije Competitie Grant for his project entitled 'Lend me your ears: the grammar of (un)transferable possession' for a total of €2.75m.
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Five Leiden professors elected to KNAW
The Royal Netherlands Academy of Arts and Sciences has elected five Leiden professors from different disciplines as new members. Two of the new members are women.
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Language as a time machine
About 90 per cent of Austronesian and Papuan languages are under threat of soon becoming extinct. Marian Klamer is the only professor in the world who researches both these language groups. She records languages before they disappear and sheds new light on the history of Indonesia. Inaugural lecture…
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New research programme for urgent challenges in Africa
Leiden University and four other Dutch universities will appoint 51 PhD candidates to conduct solution-oriented research for and with the African continent.
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200 years of Leiden Science: kicking off the lustrum year in style
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.