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.

Reconstructing Later Prehistoric Societies in Northern Iraq (ca. 7000-3000 BCE)

The immune system plays an important role in the development of atherosclerosis, the underlying cause of cardiovascular diseases. Thomas van der Heijden has discovered that immunosuppressants may play a preventative role. PhD defence 19 December.

In the new board game Epoch – Early Inventors you explore the prehistoric landscape. You gather food and raw material to develop tools and skills, and you try to appease the gods. Dr Maikel Kuijpers was involved in its development from the start and he is very happy with the result. “There is a lot…

Congratulations to David Fontijn, who has been recognized by the University with the title of full Professor of the Archaeology of Early Europe.

From one year to the next, face masks have started to appear in the environment. As the masks are discarded, they end up in the top soil, in sediment layers, and in refuse heaps. In a couple of generations archaeologists will study the layer that has already been labeled the Face Mask Horizon. Current…

One of the highlights during the fieldwork in Schoningen lead by Prof. dr. Thijs van Kolfschoten in 2013 was the opening of the museum and research center paläon on June 24. To the realisation of the museum, the Faculty of Archaeology made ​​a significant contribution. Many of the results of the research…

Roll-up solar panels, bendable phone displays, or better computer chips… The EU project STIBNITE investigated the next generation of semiconductors, made from organic materials based on carbon, nitrogen, and boron. The project has now concluded. During the Open Science Debate on 1 July, the group will…

The first Leiden Science Family Day on Saturday 6 October was a great success. During the ‘Weekend of Science’ more than 700 visitors, including 350 children, visited the Faculty of Science. With a program full of experiments, lectures, guided tours and demonstrations, visitors were given a glimpse…

Smallholder farms in tropical regions can double their crop production by 2030 compared to 2015, a study finds to which José Mogollón (Institute of Environmental Sciences) contributed. But to achieve this, the farmers must increase the input of phosphorus beyond what is currently foreseen. The study…

From 9 September onwards, Leiden scientists, citizens and farmers will jointly investigate how to sustainably manage peat meadowland. In ten years' time, they hope to have learned how to promote biodiversity and simultaneously reduce nitrogen and CO2 emissions, among other things. The research will…

Try to resolve the nitrogen problem, go on a regeneration journey or take part in psychological research: discover this and more at the new and improved 3 October University, ‘WetenschapsWarenMarkt’.

More than 700 visitors got to know the Science Faculty during the Leiden Science Family Day. People of all ages could enjoy fascinating experiments, tours, interesting lectures, spectacular nitrogen shows and various workshops. It was an informative day with many (future) scientists, amazement and,…

Seagoing vessels may emit fewer and fewer harmful substances, but how do you measure whether they comply with the standards? The Dutch Environment and Transport Inspectorate (ILT) and the universities of Leiden and Wageningen are starting a joint study to detect the emission of sulfur and nitrogen dioxide…

Life returned to something resembling normal after Covid but other crises soon took its place. These great challenges are also being felt at the University and our researchers are working on solutions. The nitrogen crisis, problems with young people’s services and an increasingly urgent climate crisis:…

The Netherlands is losing plant species that rely on pollination by insects. Leiden environmental scientist Kaixuan Pan demonstrates this after analysing 87 years of measurements from over 365,000 plots. The news is alarming for our biodiversity and food security. ‘75 per cent of our crops and 90% of…

Almost a century passed since the much-celebrated judgement in the case concerning the Factory of Chorzów was delivered. This 1928 judgement of the Permanent Court of International Justice affirmed the essential principle of ‘reparation’ in international law, claiming that ‘restitution’ is the preferred…

Metal-containing molecules combine geometrical features and a reactivity that are inherently different from that of organic molecules. My research focuses on light-activatable metal-based anticancer drugs and metal-functionalized liposomes. Light is a very selective way to activate photosensitive drugs…

The aim of the research project is to get insight in the biostratigraphical age and the palaeoecological setting of the Schöningen sites and hominin behavior and subsistence during the late Lower Palaeolithic.

How can wide-scale applications of isotope analyses and isotope mapping contribute to the identification of ancient migrants and their origins in the Western Caribbean? Can we observe linkages between individual behaviors and long-term patterns, for example as manifested in continuous waves of migration?…

Plants could be regarded as small chemical factories, which produce chemical substances via photosynthesis. If we can imitate photosynthesis in an artificial system, we can make clean fuels and materials out of sunlight and CO2. Huub de Groot is very close to designing a system of this kind.

CWTS is proud to be one of the founding organisations of the Initiative for Open Abstracts. This initiative calls on scholarly publishers to make their abstracts available in an open infrastructure, and specifically to deposit them with Crossref.

The battle for a strong power position in the run up to the provincial council elections in the Netherlands is currently being fought fiercely. Prime Minister Mark Rutte has become accustomed to a minority in the Senate in recent years. The four Rutte cabinets were always able to do business with various…

Working on superconductivity, finding an exoplanet or learning how to program with Python. More than one hundred girls visited Leiden University on Thursday 13 February during the Girls in Science Day.

The fact that a significant number of seats in the Dutch provincial councils are now occupied by members of the Dutch Farmer-Citizen Movement (BoerBurgerBeweging, BBB) who have an agricultural background need not lead to conflicts of interest when voting on, for example, nitrogen emissions. This is…

A new study reveals how ancient Chinese farmers managed soil fertility and water resources over thousands of years. By analyzing carbon and nitrogen stable isotopes in millet crops, the research provides long-term isotopic evidence of farmland management practices in the Guanzhong Basin—the political…

We hebben 6 van de 9 grenzen overschreden die bepalen of menselijk leven in de komende generaties nog mogelijk is op aarde. Kunnen we het tij nog keren?

Leiden researchers found a way to measure the tiny forces exerted by pericytes, one of the most elusive, hard to research cell types, which occur in tiny blood vessels. Building on this fundamental science, researchers may eventually find treatments for medical conditions like ischaemia.

Lodewijk Petram, author of the book 'The World's First Stock Exchange', discussed the rise of the Amsterdam stock exchange in the 17th century in the ninth Hazelhoff Guest Lecture.

A multiple isotope approach to human-animal dynamics in the Lesser Antilles across the historical divide

The Van Loon project sets out to safeguard the archives of Dutch archaeologist Maurits van Loon (Amsterdam, September 22, 1923 - Montpellier, October 12, 2006) and make them accessible for further study.

In this project, we will study the genetic and environmental drivers of woodiness and stem lignification at the level of plant‐to‐gene‐to‐molecule.

the production, use and exchange of bodily accoutrements through the lenses of the microscope

For present purposes, it is important to distinguish between an early period of settlement, about 6800-6200 BC, and a late period, about 6200-5800 BC, at Tell Sabi Abyad.

Researchers from the Institute of Public Administration study the mechanism of lobbying and influencing political parties and the behaviour of these parties to see how solutions are found to problems. This enables them to reach conclusions as to how best to effect changes in political focus and poli…

In ancient times, the steppe in the hinterland of Petra (Jordan) was transformed into a green oasis. This project tries to shed insights in the agricultural, water management and societal processes resulting in this transformation. This will be accomplished by practicing an interdisciplinary research…

The nanoscale structure of a catalyst under reaction conditions determines its activity, selectivity, and stability. For the production of sustainable energy and materials, new catalysts are needed. By understanding the structure-activity relationships of catalysts under reaction conditions, insight…

The Netherlands-Flemish Institute organizes every year its unique "Egyptology in the Field " study programme for MA students of Egyptology and Archaeology at Leiden University and KU Leuven. This two month programme takes place in January and February and aims to broaden the study of Egyptology with…

Update : March 2020 Director: Professor Dr Harco Willems (KU Leuven), co-director Dr Marleen De Meyer (KU Leuven & NVIC)

Through metabolism, biochemical processes give rise to the complexity of life. Acquired and inborn errors in metabolism underlie many diseases occurring in man. The challenge for present day medical biochemistry is to find, and integrate, pieces of information at molecular, cell and organismal level…

The Leiden Institute of Physics hosted the annual conference of the Dutch Vacuum Society (NEVAC). Experts in the field of vacuum experiments talked about their research. The 2016 NEVAC Prize was awarded to PhD student Martijn Vos from the TU Eindhoven.

Leiden University is part of a Dutch consortium that will receive 4.7 million euros from NWO to build a facility that makes controlled, thin layers of material. The facility can produce small and large films, something that is globally unique. And that is key to scaling up, for example, new catalysts…

Leiden archaeologist José Joordens has been awarded a Veni grant to develop her research on the role of climate change in early hominin evolution.

A joint global research project, “New Bank Insolvency Law for China and Europe”, which started in 2014, is nearing its completion. China University of Political Science and Law (CUPL, Beijing, China) and Leiden Law School’s Hazelhoff Centre for Financial Law are finalizing an innovative joint research…

Recycling of post consumer plastic waste is problematic in that the environmental benefits are questionable and the costs are significant. It would be better to separately collect the most useful parts through the expansion of the deposit system.

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…

The ‘Stans Prize 2017' (for the best thesis, report or article produced by a CML student) has been awarded to Davide De Mauro. Other CML prizes were awarded to Jeroen Guinee, Reinout Heijungs, Martina Vijver, Willie Peijnenburg en Kevin Groen

Plastic pollution is a major environmental issue. Although regulation is being adopted, plastic pollution is still increasing. Effective and strict enforcement is key and NGOs and civilians can be instrumental in this.

Just like every other organism on Earth, plants’ ultimate goal is to survive and reproduce. In order to achieve this, they must make trade-offs between where and how to allocate their finite set of resources. Whether they put their resources and energy into their growth, reproduction or maintenance,…