517 search results for “plastic step” in the Public website
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Growing awareness of sustainability and the environment
From underground heat exchangers at the Bio Science Park to drinking taps to replace water coolers. With its new environmental policy plan, Leiden University will become greener in the coming years.
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Planet in Peril: the relationship between mankind and the planet
What is the relationship between humans and nature like? And how can we use it to tackle climate problems? In the Master Honours Class ‘Planet in Peril’, students approach climate issues from the perspective of the humanities. ‘Things are not always as one-sided as they seem.’
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Discoverer of the Year bridges science and medicine
Fascinated by science since high school, Alireza Mashaghi Tabari is driven to explore new ways of thinking in medicine. With a strong academic network, he educates students and gives public lectures. For his research at LACDR, he won the C.J. Kok Public Award 2018, making him the Faculty of Science's…
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Een dag vol (nep)skeletten en mammoettanden
De Faculteit Archeologie bestaat dit jaar 25 jaar. Ter ere van dit jubileum opende de faculteit op 1 maart zijn deuren voor het brede publiek.
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Lockdown impacted brain development in young people
What effect did the lockdown have on young people? Leiden researchers started a study of this in the first year of the covid pandemic. They discovered an impact on the development of the brain areas involved in social behaviour. The researchers published their discovery in Scientific Reports at Nat…
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Making a technology sustainable that doesn’t even exist yet
Industrial ecologists Stefano Cucurachi and Flora Siebler are part of the new consortium PROGENY, which received 3.6 million euros from the European Commission. PROGENY is an exciting project that will study the possibilities of soap films for innovations, such as ultra-thin screens.
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Leiden PhD candidate new face on ‘Faces of Science’ blog site
External PhD candidate Liselore Tissen (Leiden University/Delft University of Technology) has been blogging on the Faces of Science website since March about her daily work as a researcher. ‘Academia is anything but stuffy.’
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Conversion of renewable raw materials on platinum shows unexpected behaviour
The electrochemical reduction of a group of organic compounds on platinum is strongly dependent on the arrangement of the atoms in the platinum surface. Christoph Bondue, postdoc in Marc Koper's group, published this in Nature Catalysis on 4 March. The reduction of such compounds is an important process…
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Rachel Schats is preparing an archaeology course from home: ‘Do what you can and don’t make it yourself too difficult’
As a lecturer of a block 4 course, osteoarchaeologist Dr Rachel Schats is preparing to give her education remotely. For this she uses Kaltura, Leiden University’s video platform. While she is new to remote teaching, like most of the University’s lecturers, she already has some tips and tricks based…
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‘I want to work with Indonesia in the present day’
Alumnus Rennie Roos lives and works in Indonesia. What took him there, what does he do there and what inspires him?
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Hague city councillors on working visit: ‘The Hague is becoming a real student city’
What does the University mean for The Hague? And what are researchers and students learning from the city and its residents? The Hague city councillors visited Campus The Hague on 27 September and spoke to administrators and researchers. ‘From Schilderswijk to Benoordenhout: we are a university for…
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‘Literature is our compass in a turbulent world’
Literature – and films and social media too – helps us understand ourselves and society. That makes literary studies an eternally modern discipline, especially if you dare to combine it with other disciplines, says Nidesh Lawtoo.
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Parade of creative science communication products
From bedtime stories about mathematics to podcasts about microplastics and games on weeds: master students from the Science Communication & Society track presented the real-life products they developed during their final presentations on 20 December. Many of the products are already implemented by c…
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Join us at 3 October University and the Weekend of Science
Are you curious about how the human skeleton works? Discover this and more on 3 October in Leiden and on 4 October in The Hague.
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Student and entrepreneur: ‘PLNT The Hague is the place to find like-minded people’
Taking a Bachelor’s in Security Studies while starting and running two businesses: student Mohamed Sulaiman never stops. But he wouldn’t have it any other way. PLNT The Hague entrepreneurs’ hub is a source of help and inspiration.
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Psychology Media Presentation 2024
In 2025, our colleagues from the Institute of Psychology once again made a strong presence in the media. From (inter)national newspapers to podcasts, discover where they shared their expertise in the media this year.
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Rebellious birds make nests from anti-bird spikes
Innovation in nest building: bird nests made from anti-bird spikes. Researchers from Naturalis Biodiversity Center and the Natural History Museum Rotterdam describe this behaviour in a publication.
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Circularity not yet a priority in energy transition and construction
Are we on the right track towards a circular economy in 2050, with fully renewable energy technology and circular construction? The CML of Leiden University, together with the Netherlands Environmental Assessment Agency (PBL), TNO, Utrecht University and RIVM, is investigating what is needed to achieve…
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Ensnaring tumours in their own web
Erik Danen is looking at how to inhibit tumours that do not respond well to medicine – and he is making some headway. The Professor of Cancer Drug Target Discovery studies the interaction between tumour cells and their surroundings. Inaugural lecture on Friday 10 May.
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Visitors to the Bachelor's Open Day: ‘They give you honest information’
It was busy at the Bachelor's Open Day of Leiden University. Over 7,000 prospective students had come to take a look at Leiden. What did they expect of their chosen programme? Would they join a student association? Would they move out of home? Feedback from five prospective students.
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Latin American diplomats come together at Wijnhaven
Every year diplomatic representatives of Latin American countries, researchers and students come together during a conference of the GRULAC region group. This year different researchers talked about their work during a visit to the Faculty of Governance and Global Affairs in The Hague.
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Why does Ronald Mulder experience hardly any ice friction at 60 km/h?
How can Ronald Mulder run his skates across an ice layer at 60 km/h? His skating blades get help from a lubricating layer of meltwater. In Leiden, physicists found this explanation to be incomplete. Theoretician Hans van Leeuwen and experimental physicist Tjerk Oosterkamp searched for a deeper answe…
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Assessing total environmental impact is becoming even more important
Life cycle assessment (LCA) reveals the total environmental impact of products or production processes, and EU rules are going to make this even more important.
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Student team hopes to heal skin with squid protein
Eleven ambitious Leiden students hope to heal burns with a special substance from squid teeth. They are taking part in the international iGEM competition. They need to raise almost 10,000 euros to fund their project this summer.
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‘Do not only focus on impact on the outside, but also on the inside’
For Sybille Lammes, professor of New Media and Digital Culture, corona offers a whole new perspective on her research into play. Digital media may have never been more important now that we're working remotely, but we have also started to game more because we are spending more time indoors. Lammes can…
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Organising a sustainable academic event at Archaeology: ‘You will be surprised how many people actually enjoy it’
At Leiden University many staff members and students value making sustainable and responsible choices in their personal lives. Making these choices in our professional lives may feel a bit more complicated. But is that feeling justified? Archaeologists Gerrit Dusseldorp and Roos van Oosten share their…
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‘Teaching is like a professional sport: you always have to be switched on’
For a long time, Thijs Bosker was an average student, until he discovered how exciting learning becomes when there are no ready-made answers. To his students, he passes on one key message: hope is the driving force that keeps us moving forward. They nominated him as Lecturer of the Year.
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Honours Class reconciles students with the unpredictability of life
The course Designing Your Life helps students navigate their career pathways. As it turns out, these pathways are full of twists and turns and - as with many journeys - you only make progress once you gather the courage to take the first step.
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Noise at sea: research on how wind farms affect fish
PhD candidate Fien Demuynck researched how wind farms affect fish and how to minimise any negative impact.
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From nanoscale to whole organism: at the Cell Observatory, researchers study life in detail
About forty microscopes, various laboratories, and some 15,000 zebrafish: that’s Sylvia le Dévédec's workplace. She is one of the managers of the Leiden Cell Observatory, a unique facility accessible to all researchers.
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LIC Lectures
Lecture
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A small ode to 412 dead
In 2011 Leiden University came into possession of the skeletons from a graveyard in Middenbeemster. But what could be done with all these bones and skulls? Well, the answer is: more than you might think. Since the excavation, it has been raining interesting scientific discoveries at the Faculty of Archaeology.…
- Event: Unpacking the Problem of Packaging
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Cinquecento Medusae: jellyfish invasion with a climate change message
Exhibition
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Leiden Law Cast #8: Alumnus Ard van der Steur
Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.
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Archaeologist at Binnenhof: ‘Even the staff ate heron’
An Iron Age skull, a unicorn for cleaning your ear and thousands of beer jugs. Alumnus and archaeologist Chris Muysson has made remarkable discoveries at the Binnenhof government complex in The Hague. ‘Each puzzle piece tells us more about its history.’
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Archaeology Open Day: ‘Excavations are cool’
‘We’ve come because our granddaughter started studying archaeology here this year. But I’m really interested in archaeology too.’ The Open Day at the Faculty of Archaeology on 12 October was a field day for archaeology fans: workshops, lectures, activities for children and a pub quiz that covered the…
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Leiden University more sustainable by the day
10 October is the Day of Sustainability. What is the current status of sustainability at Leiden University? Things are moving ahead. Professor of Environmental Biology and Dean of the Faculty of Science, Geert de Snoo, outlines a new prospect: biodiversity.
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This was 2021! An overview of Humanities in the news
Online, hybrid, on campus... It was an unpredictable year, also for the Faculty of Humanities. Luckily, there were also non-corona related stories. Let's review 2021 with this list of the most-read news articles per month.
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Dick Stufkens Prize 2025 awarded to physical chemist Begüm Demirkurt
The Dick Stufkens Prize 2025 for best PhD thesis of the Holland Research School of Molecular Chemistry (HRSMC) has been awarded to Begüm Demirkurt for her thesis “Mechanical Contact Imaging using Fluorescence Techniques”. Demirkurt, who obtained her doctorate from the University of Amsterdam last March,…
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National Think Tank: a think tank and a do tank
From learning modules for primary schools to a ‘Fixer-Upper Day’ and from a platform for returning broken electronic devices to a call to government: the National Think Tank has presented ten solutions that should help create a circular economy. We spoke to three Leiden members of the Think Tank about…
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Ship channels and their landscapes require radical reconsideration
Han Meyer, Carola Hein, Paul van de Laar and Sabine Luning, argue that in the current moment of major crises these ship channels necessitate radical reconsideration.
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Not wrapping but folding: Bacteria also organise their DNA (but they do it a bit differently)
Some bacteria, it turns out, have proteins much like ours that organise the DNA in their cells. They just do it a bit differently. This is revealed by new research from biochemists at the Leiden Institute of Chemistry and the Max Planck Institute for Biology. The discovery helps us better understand…
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Jonathan Hak on the paramount importance of the truth – and why we shouldn’t always take images at face value
Hak, lawyer, international imagery law lecturer, and adjunct associate professor, talks about his PhD research on the use of images in international criminal prosecutions. He was a public prosecutor in Canada for over 30 years and dealt primarily with the prosecution of homicides and other major cri…
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Leiden University celebrates curiosity at 449th Dies Natalis
How has evolution shaped our curiosity? And how does that curiosity ensure that we now have the technological ability to discover whether we are alone in the universe? This was all covered during the celebration of Leiden University’s 449th Dies Natalis.
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The law is constantly evolving: Mayor Heijkoop visits Leiden Law School
On 7 July, the Mayor of Leiden, Peter Heijkoop, visited Leiden Law School. During his visit, he learned about the faculty’s commitment to advancing research and education while contributing to tackling the challenges faced by society.
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Leiden Law Cast: Law and computers with Professor Jaap van den Herik
Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.
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Giant Robots, Big Ideas - Exploring the World of Mecha in Japanese Animation
From towering mechanical heroes to city-destroying battles, giant robots have become one of the most iconic images in Japanese animation. On 28 April 2026, Leiden University will host
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Of microbes and planetary connections: rethinking metabolic relations and economic scales
Lecture
- Publication highlights