Nitrogen deposition does not only affect plant biodiversity, but also strongly affects the composition of the remainder of the food web, through the changes in plant composition. In an unprecedented analysis of population changes of butterfly and moth species, an international research team including…

Leiden researchers have compiled information collected by scientists over the past 120 years into a database of plant-fungal interactions. This important biological data is now freely available for researchers and nature conservationists. Publication in New Phytologist.

Environmental scientist Nadia Soudzilovskaia has been awarded the prestigious, international Bessel-Forschungs prize issued by the Von Humboldt foundation. This German award is issued to outstanding foreign mid-career scientists that collaborate with German researchers. ‘The combination of different…

Last Thursday, the final ILS Lunch Seminar of 2018 took place. Irma Mosquera Valderrama, Adrián Grant and Frederik Heitmüller gave two very insightful presentations on Global Tax Governance, part of the EU-ERC project ‘A New Model of Global Governance in International Tax Law Making’ (GLOBTAXGOV).

The central research theme will be the way in which Bronze Age communities used and structured their environment. In order to approach such a broad theme, we have formulated the following four interrelated fields of interest. They are of importance to each of the individual studies that we distinguish…

On 19 April, CML researcher Nadia Soudzilovskaia gave an invited talk at The Global Biodiversity Information Facility (GBIF) about her VIDI-funded work on impacts of mycorrhizas on ecosystem functioning. During this project she will closely collaborate with GBIF colleagues.

By reforming agriculture in targeted areas, we can protect the Natura 2000 areas much more effectively. This is what Jan Willem Erisman of Leiden University and Ton Brouwer of Gispoint consultancy write in a new report. They have created a special, nitrogen map of the Netherlands that shows the areas…

Soil salinity is affecting large areas in the world and millions of farmers are faced with decreasing yields and many are even forced to migrate . Dutch scientists (Prof Dr. Gerrit van Straten (Wageningen University), Prof. Dr. Peter van Bodegom (Leiden University), Prof. Dr. Jelte Rozema (VU University…

Bacteria use antibiotics as a weapon and even produce more antibiotics if there are competing strains nearby. This is a fundamental insight that can help find new antibiotics. Leiden scientists Daniel Rozen and Gilles van Wezel published their research results in the authoritative Proceedings of the…

Today, 13 students at Leiden University have started a crowdfunding campaign to collect money for research into the possibilities of growing crops on Mars. Their research will contribute to the knowledge of our galaxy. The project is in the context of the iGEM competition.

Recent publications

Researchers from the Institute of Environmental Sciences (CML) identified six top priorities where environmental interventions can make the most difference. By doing so, they hope to help researchers and policymakers make the most out of the limited, available resources to protect people and the pla…

An organized overview of the current global fungal diversity, that is what Irene Martorelli and colleagues try to achieve with the new MycoDiversity Database (MDDB) she builds in collaboration with Naturalis Biodiversity Center. The new database will make it easier and quicker to observe which fungi…

Higher temperatures are resulting in changes to vegetation and soil in mountain areas throughout the world. An international research team including Leiden ecologist Ellen Cieraad published an article on 25 January in Nature on the disruption to the ecosystem.

What are the behaviours of plant traits throughout various points in the growing season in a radiative transfer model framework and how well can this knowledge be integrated through data assimilation to provide priors for robust local and global vegetation products and analysis?

Aim: To develop and enable application of a practical, flexible, user-friendly platform to provide the scientific community with a tool to generate land surface products and its associated uncertainties and exploit these for data-intensive science.

What workflow of non-destructive techniques provides accurate, valuable data to improve our understanding of Caribbean archaeological landscapes? How were Amerindian settlements configured?

Scientists of Leiden University and Technical University Delft are going to predict how and where defects in sewer systems arise. They are working with light sensitive camera’s, based on new automated multi-sensor inspection with stereo vision and laser range scanning. Their models are going to process…

How can the subterranean mystical and ‘irrational’ strands within Lebensreform be most productively excavated and articulated within contemporary art thinking and art practice?

In the master’s programme in Archaeology, you can follow courses on the archaeology of the Near East, deepening your understanding of this region’s fascinating past.

A critical look at the impact assessment modelling of metals in Life Cycle Impact Assessment and improvement options.

In the Governance of Sustainability programme you learn to become a future ‘change maker’ who is able to develop governance solutions to major and complex environmental sustainability challenges.

How can ecosystem services within river catchments be quantified in spatial and temporal explicit way?

This dissertation together with the artworks documented in it is the result of an investigation across multiple media over a seven-year period of the cultural, artistic and spiritual legacy of the late nineteenth- and early twentieth-century Lebensreform (Life Reform) movement.

The Netherlands is not particularly rich in ‘wild nature’. Comparatively, what we have is a lot of intensively used agricultural land. This means that from nature’s perspective there much to be gained by combining the ‘nature’ and ‘agriculture’ functions. Not an easy task in such a densely populated…

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.

Leiden University now offers almost 20 Massive Online Open Courses (MOOCs). The enthusiasm displayed by participants makes it rewarding to develop and teach such courses, say MOOC lecturers Marlies Reinders and Edwin Bakker. But that is not all, ‘You bring together a global community.’

The Institute of Environmental Sciences of the Leiden University has, together with its European partners, presented the new MULTIPLY platform, during a workshop at the European Space Agency (ESA). This platform makes it for the first time possible to combine different data stream’s of ESA’s newest…

Nineteen new Leiden University MOOCs have started this January. Anyone can take part in these online courses varying from combatting terrorism to kidney transplantation.

On 30 October, Armin Cuyvers was invited to give the inaugural lecture of the European Legal Studies Centre of the Universitas Indonesia, Jakarta.

NWO has awarded eleven Leiden researchers a Vidi grant of 800,000 euros. The research subjects range from Cicero and muscle dystrophy to the archaeology of bogs.

Can zebrafish provide a fast, sensitive in vivo vertebrate model for identifying novel mechanisms of Ewing sarcoma progression and for development of new anticancer compounds in a time- and cost-effective manner?

With our research and teaching, we help make the world a better place. We join in the academic and public debate, and seek answers to economic and social issues – not just at the local and regional level but at the global one too.

The certificate award ceremony of the Honours College took place in the Hooglandse Church in Leiden on Tuesday 21 November. During the ceremony, two students shared their experiences with honours education while Vice-Rector Hester Bijl addressed the students.

Physicians and researchers of the Leiden University Medical Center (LUMC) and Leiden University are working on therapies for restoring damaged organs such as hearts and kidneys. They are even trying to construct tailor-made organs. Read more on this topic in the new science dossier on Vascular and Regenerative…

As of 1 January 2018 Irma Mosquera will be appointed as Associate Professor at the Institute of Tax Law and Economics of Leiden University.

Food production in the Netherlands is an economic success but has led to many environmental issues, including nitrogen pollution. Recently, the policy to allow economic growth while reducing nitrogen losses was disapproved by the highest court in the Netherlands, casting the country into a nitrogen…

Using E. coli bacteria to convert a toxic compound in the soil on Mars into oxygen to make life on the planet possible. A team of thirteen Leiden students are taking part in the annual iGEM competition with an entry based on this idea. iGEM is an international competition for students where they use…

Bacteria found in soil specialise in the colony by division of labour. Some of the bacteria produce antibiotics, even when it comes at the expense of their individual reproduction success, to defend their colony against competitors. Publication in Science Advances.

Associate Professor of Physical Geography Paul Hudson at Leiden University College was interviewed by TIME Magazine on the Mississippi floods that have been harassing the United States this year.

To what extent is the image of the Taino settlements on Hispaniola representative for the whole island, or is it only related to a few large settlements of known caciques?

What are the patterns and processes of human mobility in the pre-colonial circum-Caribbean as revealed by burial populations and what are the underlying motives and socio-cultural principles on both micro- and macro-scales?

Increasing resistance and a lack of new antibiotics are a serious problem for public health. Against this background, Gilles van Wezel of the Institute of Biology Leiden is looking for new medicines. Together with former PhD student Changsheng Wu and colleagues he discovered the special antibiotic lugdunomycin,…

Following the Beirut explosion, BBC's podcast series The Foodchain explores the chemical that caused the blast: ammonium nitrate. A compound that is widely used to produce fertilizer. Professor of Environmental sustaibability Jan Willem Erisman tells about the effects of nitrogen on the environment.

Extinct hominin DNA extracted from >40,000 years old sediment

Leiden physicist Julia Cramer receives 50 thousand euros in funding for 'Let's talk about quantum', a research project on communication about quantum computing. A project for high school students by education expert Henk Buisman is also included in the NEWA ELSA funding.

On 23 September, the Leiden alderman for the Management of Public Space was presented with a Ginkgo Biloba in the Blekerspark. This special 'Peace Tree' was grown from a seed from a tree that survived the atomic bomb that devastated Hiroshima. The Peace Tree is being temporarily housed in Leiden's Hortus…

Archaeologists from Leiden University find what is clearly an earth wall and ditch structure in the woods near Ermelo. They suspect it may be the remains of a Roman military camp, but as yet have no conclusive evidence. Will they be able to solve the puzzle?

How do societies move forward with sustainable, effective and efficient management of Earth's water resources?

With cancer, a person’s body cells grow uncontrollably. Putting together a detailed picture of how this comes about makes it possible to develop efficient therapies. Researchers at the Leiden University Medical Centre (LUMC) and Leiden University are working together to gain a better understanding…