Hidden behind the Academy Building on the Rapenburg lies the oldest botanical garden of the Netherlands and one of the oldest gardens in the world. Founded in 1590 and expanded in the following centuries, the Hortus is the green heart of Leiden.

This project aims to further understand the molecular details related to the biosynthesis and function of Galf containing glycoconjugates in fungal Aspergillus spp.

By carrying out fundamental research and providing excellent education, universities become a breeding ground for innovation and entrepreneurship.

The Old Obervatory Leiden is one of the partners of the local learning ecosystem ‘Verwonder om de Hoek’, an educational platform from Leiden that lets school children and families wonder about the world of Nature, Science, Technology and Sustainability. On this page you will find the educational programmes…

The CMCB comprises research groups from the Institute of Biology Leiden (IBL), the Leiden Institute of Chemistry (LIC) and the Leiden University Medical Center (LUMC).

Radiation can be used to determine the isotope ratio of a skeleton. This provides information about where our ancestors lived and what they consumed. Dr Andrea Waters has developed a revolutionary method that can trace patterns of consumption from tens of thousands of years ago.

If mankind wants to survive into the 22nd century, we will need to change the way we live drastically. The human impact on our planet is everywhere, we are changing the atmosphere, the oceans and the land, leading to global warming, climate change, loss of biodiversity and pervasive pollution. There…

The pesticide thiacloprid turns out to be more harmful than previously thought. It can disrupt the lives of freshwater invertebrates and their communities, upsetting the balance and functioning of entire freshwater ecosystems. This was shown by ecologist Henrik Barmentlo and colleagues, their research…

How do molecules originate and evolve in space? And how does that ultimately determine the chemical composition of planets and their atmospheres? The Dutch Astrochemistry Network (DANIII) receives 1.6 million euros from NWO to find out. A large group of Leiden astronomers and chemists is contributing:…

In the programme NWO Open Competition Domain Science - GROOT, twenty new consortia will start a large research project. This boost of more than 47 million euros will make new research possible in the science domain. Among the winners is the Nanoscale Regulators of Photosynthesis consortium in which…

Plants use sunlight to perform photosynthesis, but with too much light they have to dim their activity and protect their cells against photo damage. The protein PsbS acts as a light-stress sensor and plays a key role in this process. Article in Nature’s Scientific Reports.

Starting September 2024, Amanda Henry has started a new role as Professor by Special Appointment on the Evolution of the Human Diet at Naturalis Biodiversity Center in Leiden. She will use this position to draw closer ties between the Faculty of Archaeology and Naturalis, and explore means for public…

The substance galanthamine from flower bulbs can fight symptoms of Alzheimer's disease. Nadeem Akram investigated how daffodils can optimally produce this natural remedy. PhD defence on 24 June.

Social resilience and security has never been more important. Over the last 2 years, the COVID-19 pandemic has created a considerable disturbance to our personal and social lives. As a result, the general population reports more stress, loneliness and decreased quality of life. At the same time, there…

At the start of the year a lot of journals publish lists of their most cited papers of the previous year. Three papers published by Leiden archaeologists were ranked in the top 10 of the Journal of Archaeological Science: reports.

LUGO has some news: If you are using a public computer from Leiden University, you can now set your default search engine to Ecosia.

Barbara Gravendeel has been appointed as the new scientific director of Hortus botanicus Leiden. Additionally, she has been named Professor of Plants and Society. Gravendeel succeeds Paul Keßler, who held the position for nineteen years. Currently, she works as a group leader at Naturalis Biodiversity…

How did disability become a global concern? In this project we will identify the contribution of international agencies, governmental and non-governmental organizations and, just as importantly, disabled people themselves, to the IYDP and by showing the connections, interactions and entanglements between…

Knowledge and culture subproject 3:

In 2015, Jorryt Matthee thought he discovered an extremely distant galaxy called CR7, which lacked elements heavier than helium. Three years later, he shows with measurements using the ALMA telescope that the galaxy does have carbon after all, and even in normal concentrations. The American Astronomical…

A study of the International Union for Conservation of Nature has identified tree species native to Indonesia’s Kutai National Park that are resilient to climate change. The species support threatened East Bornean orang-utan populations; therefore, the study recommends their use in reforestation efforts.…

In a festive and intimate award ceremony, plant scientist Omid Karami received the first edition of the Krijn Rietveld Memorial Innovation Award out of the hands of Wim Klop, Director of the Biotechnology Center at DSM. Several speakers spoke about Krijn Rietveld and why Karami deserves the prize that…

Martijn Verkuilen is the winner of the Unilever Research Prize 2022. By transferring DNA from a plant into yeast, he made the first move to produce a new drug for type 2 diabetes. He collected his prize in Wageningen on 24 November.

In the tropical rainforests of Southeast Asia the soursop family (Annonaceae) can be found. The genus Uvaria is a part of this family, but it has not yet been described entirely correctly. That is what Annas Rabbani will be studying during the next four years as a PhD student at the Hortus botanicus…

They are often little more than a square metre of plants, yet pavement gardens are a source of life. PhD candidate Joeri Morpurgo conducted research in the centre of Amsterdam and The Hague and discovered how important small green spaces are, especially for cities.

The research project of Jos Raaijmakers is nominated for the Huibregtsenprijs 2022. The researcher of NIOO, with a guest appointment at the Institute of Biology Leiden (IBL), is one of six nominees. On the Evening of Science & Society (Dutch: Avond van Wetenschap & Maatschappij), 10 October 2022, the…

Between the 29th of April and the 2nd of May 2016 the Botany Club went on its annual excursion. This time, the theme was alpine and arctic plants and their ecology, and (peri-) glacial processes and features. Where better to search for arctic/alpine plants and experience glacial geomorphology than…

The Rob Schilperoort Memorial will be unveiled at the Leiden Bio Science Park on Saturday 16 September. This gigantic gate stands at the entrance to the park, which is also named after Schilperoort, its founder.

The plane trees from the forecourt of Cluster North have been moved to the Herta Mohr building (Cluster South). The trees could not remain in their original location because of the forthcoming renovation of Cluster North. They have been moved already in advance of the flowering season. In June, the…

Lecture, CHiLL series

Lecture

Each student chooses an individual topic or theme on which they would like to do a graduation research project. Read the below rules and guidelines before you embark on the graduation project.

Recently, NWO has decided to grant two interdisciplinary research proposals for national and international consortia submitted by researchers from the Institute of Biology Leiden. One of the proposals is led by Prof. dr. Ariane Briegel, the other one by dr. Remko Offringa.

More severe droughts that will also last longer: this will primarily be a problem for irrigated croplands, as discovered by environmental scientist Qi Chen. Mixed forests with a variety of plant species will be the least vulnerable. Chen compared the effects of drought on different ecosystems across…

All manuscripts submitted to Inter-Section need to adhere to these guidelines. Since 01-08-2022 Inter-Section uses APA7 as a reference system. Inter-Section therefore now follows the new Faculty of Archaeology guidelines concerning referencing and bibliography.

One of the largest roofs at Leiden University, that of the Snellius building, has recently been equipped with 590 solar panels and 57,000 sedum plants, making it the largest combined roof in the Benelux. The roof was officially opened on Monday 10 October by Annetje Ottow and Martijn Ridderbos, President…

Op zaterdag 3 juni vindt de Museumnacht Leiden plaats. Ook dit jaar zijn Leidse wetenschappers en studenten onderdeel van de programmering.

The seminar is dedicated to the work-in-progress of Leiden Centre for Continental Philosophy staff and doctoral students. It also welcomes guest speakers. The seminar is open to all.

We talk with Michiel van Elk, about his research into mapping what effects psychedelics have on the human brain and what this means for the possible clinical application of these drugs. The cognitive psychologist shares his findings with a sober view, bringing critics and fanatics closer together for…

In this episode we talk with Mara van der Meulen about prosocial behaviour and social exclusion in children. Van der Meulen also explores the role of genetics and environment in the development of social behaviour. To find out more about her research on why some children are beter able to develop their…

We talk with Sophia Dittmar about starting a career in Psychology. Dittmar is currently studying the master's specialisation in Economic and Consumer Psychology at Leiden University. We talk about what she learned from her internship, why she switched masters and how to get the most out of an internship.…

Every year, the ‘Kluitersprijs’ is awarded to students who achieve excellent results in the minor Intelligence Studies.

In this episode, we talk with Mariska Kret about the expressions of emotions in humans and animals. Mariska explores the similarities and differences in emotion expression in humans and primates. Want to learn more about Mariska's research and discover why it's important that we learn more about animal…

How can the Dutch Sand Motor strengthen our coasts in a natural way? And how can this knowledge and experience help prevent coastal erosion in Jamaica? Researchers Alexander van Oudenhoven (Institute of Environmental Sciences Leiden) and Arjen Luijendijk (Delft University of Technology) have compiled…

During the summer, staff of the Faculty of Archaeology travel to all parts of the world, initiating or joining fieldwork projects. Read some of their stories here!

The daisy has been crowned the Netherlands’ national flower. Rogier van Vugt, Head of Horticulture at the Hortus botanicus, explains why the daisy merits its elevation to national symbol.