106 search results for “soil” in the Staff website
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Plastic in cigarette filters: why smoking is bad for the environment too
We all know smoking is bad for our health. But we might not have known that the cigarette filters that litter our streets also impact the environment. Esther Kentin is a lecturer at Leiden Law School. She is raising awareness of the University’s cigarette butt problem.
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Archaeologists of the future dig for traces of the past
Forty archaeology students are holding a shovel somewhat awkwardly in the fields at Oss. This is their first day of fieldwork and they are going to use muscles they didn’t even know they had.
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New eDNA method opens doors for environmental research
With a single sample of water or soil, researches can analyse the DNA of everything that is living in that environment. During her research, PhD candidate Beilun Zhao discovered a way to analyse not only the kind of species, but also the age of the species in a water sample. The method showed its first…
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DNA from a cup of pond water can reveal a lot: Kat Stewart will find out with a Vidi grant from NWO
She has had the idea for seven years, but now environmental scientist and conservation biologist Kat Stewart finally gets to work on it. She has been awarded a Vidi grant by NWO to find out how DNA from water can be used to shed light on invasive species and their impact on native populations.
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Citizen scientists discover more than 1,000 new burial mounds
Over the past few years, citizen scientists from the Heritage Quest project have scoured the entire Veluwe and Utrechtse Heuvelrug areas for unknown archaeological heritage. One of the results of this research is that the number of known burial mounds in this area has doubled.
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Nitrogen experts suggest switching from deposition to emission policy
In an essay Professors Jan Willem Erisman (Leiden University), Chris Backes (Utrecht University) and Wim de Vries (Wageningen University) suggest amending nitrogen policy in the Netherlands. They call for a shift from a deposition to an emissions policy, with sectors responsible for reducing their own…
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Leiden biologists get awarded 730k NWO grant
Salma Balazadeh, Víctor Carrión, and Jos Raaijmakers, biologists at the Institute of Biology Leiden (IBL), have successfully applied for an NWO grant and got awarded 730.000 euros. The board of NWO Domain Applied and Engineering Sciences awarded funding for their project within the Open Technology Programme…
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Throwback to the start of the Faculty academic year: murals, puzzles, and sweets
On Tuesday the 5th of September the Faculty of Archaeology officially opened its academic year. All staff and students were invited to this festive occasion.
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How engaged documentary filmmakers use new technologies in their work
CADS lecturer Sander Hölsgens is one of the initiators of the NWO Smart Culture Project Documenting Complexity (project number CISC.KC.212). This project investigates how and why engaged documentary filmmakers use new technologies in their work. One of the outputs of this project is the series ‘In Whose…
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Digging and tilling at the Hortus botanicus: SEA Community Garden officially opened
Eight university vegetable patches will soon join the display at the Hortus botanicus. The sun shone down on almost 40 enthusiastic students and staff as they started work on the new Community Garden there earlier this month.
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CCLS Seminar Vincent Merckx
Lecture, webinar
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Educational experiment with polder rice
Is polder rice a feasible circular alternative to cows on peat soil? In May, an experimental trial began, with researchers from Leiden University and Wageningen University & Research (WUR) planting around 3,000 rice plants at the Polderlab near Leiden. The researchers aimed to test rice as a middle…
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What does the Leiden economy of the future look like?
With the long lockdown, it’s been a hard year for Leiden businesses. How can the local economy bounce back and how can the University help? Two talk shows discussing this were recently recorded in the Academy Building. They will be aired on Unity TV on 28 September and 12 October.
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How ‘sleeping’ microorganisms can determine the fate of a population
Microorganisms that temporarily ‘go to sleep’ play an important role in the evolution and survival of a population. Mathematician Shubhamoy Nandan conducted research on the effect of this characteristic called ‘dormancy’ in a novel mathematical model.
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Medieval Oegstgeest did business with all of Europe
Generations of Leiden students and academics have done archaeological research into the early medieval history of Oegstgeest. This makes this old settlement one of the best-documented sites from that era. In a new book Leiden researchers take stock.
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‘Butts off our campus’ days: Make our campus butt-free!
Facility
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News but nothing new: many pesticides in Dutch swimming and natural waters
There has been a lot of media attention for the report recently completed by the Institute of Environmental Sciences (CML) from Leiden University. However, it has long been known that Dutch surface water contains too many toxic pesticides. ‘We will have to improve our ways of life together with many…
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In memoriam: Professor David Fontijn (1971-2023)
It is with great sadness that we announce the passing of our colleague, mentor, and friend prof. David Fontijn this Monday, May 1st, 2023. As he shared with us in October 2022, his health had been deteriorating the last couple of years. While his mind was still sharp as ever, his body struggled to keep…
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Archaeologists receive funding for science communication: ‘We want to change the public image of archaeology’
A diverse team of Leiden archaeologists applied for, and was awarded, the KNAW ‘Appreciated!’ grant, meant to further their science communication endeavours. We speak with Dr Maikel Kuijpers, who is the main contact person of the application.
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‘Poorer people often bear the brunt of sustainability initiatives’
The effects of sustainability projects on poorer, marginalised people should be considered at a much earlier stage. This is the opinion of Marja Spierenburg, Professor of Anthropology of Sustainable Development and Livelihood, who will give her inaugural lecture on 25 February.
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Open to Dutch and international students and academic staff: Study tour to Bosnia and Herzegovina
Social
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CJ Public Lecture: What is happening around Europe’s internal borders?
IAt the Criminal Justice Public Lecture on 20 April, Professor of Law and Society Maartje van der Woude spoke about her research into decisions and practice in relation to intra-Schengen border areas and the free movement of persons. The thinking behind the Schengen area is that where the external borders…
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Executive Board visits Leiden University College The Hague
Leiden University’s Executive Board (CvB) visited Leiden University College in The Hague on Friday 11 November during a working visit tour past the Institutes of the Faculty Governance and Global Affairs. Hester Bijl and Martijn Ridderbos were provided with an overview of the programme, the research,…
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Sustainability prize for research into the effects of a plant-based diet
Paul Behrens and his team have won the Frontiers Planet Prize of half a million euros for their research into the effects of switching to a plant-based diet.
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Sustainability and energy: AI research in Leiden, Delft and Rotterdam
From energy transition to the nitrogen crisis: artificial intelligence can be of great help. Researchers from the three universities in Zuid-Holland are seizing the opportunity. Three of them talk about collaborative research in the AI for Energy and Sustainability focus group within the Zuid-Holland…
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Students work on bacterium that makes sustainable plastic
A group of biology students are working on a solution to the world’s plastics problem by getting bacteria to make biodegradable plastic.
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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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Executive Board column: interdisciplinary collaboration, from suspicion to snowball effect
How is interdisciplinary collaboration faring at Leiden University? And has disciplinarity been completely abandoned? I’d like to reflect on some concerns among colleagues and on our plans for the future.
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EU TalentOn: challenging young, academic talent to shape the future!
Research
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These were Leiden University’s interdisciplinary milestones of 2023
Connecting worlds, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. In that respect, a huge amount happened at Leiden University in 2023.
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Green roofs and tile flipping: research in The Hague on the best approach to climate and species diversity
Does a communal garden provide cool air and warm neighbourly relations? Does an additional row of trees increase biodiversity? These kinds of questions are key in the COMBINED project, on which Leiden scientists and residents of The Hague, among others, can work for six years with 4 million euros from…
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Archaeologist Maikel Kuijpers signs international book contract with Penguin Press
Back in 2020, Dr Maikel Kuijpers started to write for The Correspondent. His articles offered readers a unique long-term insight into the materials that shape our world, from concrete to glass and plastics. His innovative approach piqued the interest of a literary agent, and he was invited to write…
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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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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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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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Ethical guidelines to better regulate DNA research on human remains
Rapid developments in DNA techniques allow researchers to find out more and more about human genetics. An international group of scientists has drawn up five ethical guidelines to ensure that this DNA research is better regulated. Leiden archaeologist Marie Soressi – one of the signatories - explains…
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National Meat Free Week: the main reasons to switch to a plant-based diet
National Meat Free Week (Nationale Week Zonder Vlees, 7–13 March) is an initiative to reduce meat consumption. Assistant professor Paul Behrens is studying what impact a change in our food consumption would have on the world. What, according to him, are the main reasons to switch to a (mainly) plant-based…
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Will the new plans steer us out of the nitrogen crisis? Expert Jan Willem Erisman explains
They were eagerly awaited: four letters from five ministers that should provide clarity on how to get us out of the nitrogen crisis. Nitrogen expert Jan Willem Erisman explains the plans. And says whether they will get us out of the nitrogen crisis.
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Cleveringa Lecture by Gert Oostindie: Leiden University should also reflect on its colonial history
It is crucial that Leiden University reflects on its colonial history. These were the words of Cleveringa Professor Gert Oostindie in his inaugural lecture on 24 November. ‘As a university community, we must dare to hold up a mirror to ourselves and, where possible and necessary, also take concrete…
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Extraordinary treasures on National Finds Day
Is it a prehistoric mammoth tooth or just an ordinary pebble? It was National Finds Day at the Dutch National Museum of Antiquities on Saturday 17 June, and Leiden University was one of the collaborating partners.
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Improving nature’s antibiotic
'What nature made isn’t necessarily an optimized medicine to use in the human body,’ says Professor of Biological Chemistry Nathaniel Martin. That’s why a group of Leiden researchers is making a chemistry-based improved version of the frequently used antibiotic vancomycin. They received an NWO NACTAR…
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The lifecycle of a cigarette filter
The university is launching a campaign to focus extra attention on our smoke-free university locations. The University is using aptly named cigarette barrels to try to show clearly just how many cigarette filters are being saved from the environment. How harmful are these cigarette filters to the e…
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Four Leiden Scientists: 'Environmental risks of new pesticides with nanoparticles insufficiently examined'
The environmental risks of new pesticides containing nanoparticles are inadequately researched, according to four Leiden scientists in the scientific journal Environmental Science & Technology. They call for an examination of the long-term and environmental effects of pesticides containing nanoparti…
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Measuring water with your smartphone
You might take photos and selfies with your phone's camera, or scan a QR code. But there is much more you can do with it. Astronomer Olivier Burggraaff developed a phone attachment that allows you to take measurements of surface water with your smartphone. He will receive his PhD on 13 December.
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In memoriam professor Harry Wijshoff
On March 28, 2023, our esteemed colleague Prof. Harry Wijshoff passed away. He died after a struggle of several months against a serious illness.
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Opening exhibition Kieran Smith
Arts and culture
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What Darwin couldn’t see: Expedition to uncover invisible life in Galápagos
An international research team is to search for invisible life in the Galápagos Islands. The diversity of bacteria and other microscopic organisms may not be evident to the naked eye, but it is essential to nature. To the islands' giant daisies, for instance: unique endemic plants that are currently…
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'Climate issues and sustainability should be part of every study programme'
Having lectures on sustainability when you're a first-year student of Law, or a course on climate change when you're studying Public Administration may sound odd, but that is just what Associate Professor in Environmental Sciences Thijs Bosker wants to see happening. Together with his colleague Paul…
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Cleveringa professors target of hate campaigns: ‘Intimidation frustrates Holocaust research’
Holocaust scholars Barbara Engelking and Jan Grabowski will jointly hold the Cleveringa lecture on November 26. They were accused of defamation in Poland for a book they co-edited. How has this affected them? ‘This is an attempt to wear us down.’
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How does the government spend taxpayers’ money fairly?
Public procurement is not a hot topic for the average citizen. That’s a pity, says PhD candidate Erik Plas, who did research on the fair spending of public money: 'If a council project goes completely haywire, because it costs more than expected, it could even mean that local taxes will have to be r…