To be eligible for Biology and Science Communication and Society at Leiden University, you must meet the following admission requirements.

To be eligible for Biology and Business Studies at Leiden University, you must meet the following admission requirements.

To be eligible for Molecular, Cellular and Organismal Biology at Leiden University, you must meet the following admission requirements.

To be eligible for Biology at Leiden University, you must meet the following admission requirements.

To be eligible for Molecular Genetics and Biotechnology at Leiden University, you must meet the following admission requirements.

To be eligible for Biodiversity and Sustainability at Leiden University, you must meet the following admission requirements.

To be eligible for Biology and Education at Leiden University, you must meet the following admission requirements.

To be eligible for Evolutionary Biology at Leiden University, you must meet the following admission requirements.

Research into the evolutionary backgrounds of our diets can help us make the right choices in diet, health and lifestyle.

Promotor: S.M. Verduyn Lunel, Co-Promotores: S.C.Hille, O.W. van Gaans

To gain more insight into the evolutionary development of orchid flowers and fruits, the orchid species Erycina pusilla was studied. The evolutionary origin of the median petaloid sepal, the callus on the labellum, and the stelidia was studied.

In recent decades, climate change has led to more frequent and severe drought events, causing serious consequences such as increased forest mortality and significant crop yield losses. Understanding how drought affects plants, especially economically important herbaceous species, is crucial for predicting…

Uncover novel antimicrobials with prospective health benefits for sea turtles.

Artificial photosynthesis has recognised potential to produce green and sustainable fuels from earth-abundant resources such as water, carbon dioxide (CO2), and sunlight.

Daily management at the Institute of Biology Leiden is executed by the Scientific Director, the Director of Education, the Director of Operations and the Management Assistant. Research and education are managed collaboratively, with strategic input from various representatives and gremia, including…

Promotor: F.J. van Lunteren, E. Jorin

Promotors: Prof.dr. P.J. Punt, Prof.dr. C.A.M.J.J. van den Hondel

The Old Observatory is still used intensively as a university building. Yet there is still plenty to see and experience in this beautiful monument. Find out what the possibilities are here.

Long-distance Trade in Early Medieval Landscapes (ca. 6th-12th centuries)

Supervisor: Andrea Martella

Tell Sabi Abyad is a major Late Neolithic settlement mound in Northern Syria, belonging to the seventh and early sixth millennium bc. This book presents the results of large-scale fieldwork conducted at the site between 1994 and 1999, under the auspices of the Netherlands National Museum of Antiquities…

The mission of our group is understanding how science communication works to improve the interaction between science and society. We believe better science communication can improve our society and engage many different groups with science, also improving science.

Promotores: G.A. Persoon, H.H. de Iongh

In the master’s specialisation Molecular Genetics and Biotechnology at Leiden University students are trained by experts in the areas of molecular biology, microbiology, plant genetics, cellular imaging, animal disease models, and various –omics technologies and the corresponding bioinformatics.

The master's specialisation Molecular, Cellular and Organismal Biology at Leiden University examines the molecular mechanisms underlying health and disease and how cells and organisms adapt to environmental factors.

On this page, you will find the recordings of the Tuesday Talks since April 2025. Recordings of the precursor to the Tuesday Talks, This Week’s Discoveries, are also available here.

Lecture

On Friday 6 October 2023, Peter Rodrigues delivered his farewell lecture ‘Ongelijkheidscompensatie in het vreemdelingenrecht’ (inequality compensation in immigration law).

Saniye Çelik, senior programme manager at the Centre for Professional Learning (CPL), has been invited by the Parliamentary Standing Committee for Justice and Security to share her expertise with the Dutch House of Representatives (Tweede Kamer) in the field of discrimination and inclusiveness in the…

With its iconic buildings, Leiden University has a strong presence throughout the city. The university has left its mark clearly on museum collections in the city.

An overview of awards and prizes granted to our staff and students in 2022, as well as special appointments at Leiden University and other institutions.

Leiden archaeologists investigate how people in the past impacted their environment. Together with scientists, environmental scientists, and humanities experts, they use this information to draw conclusions about the present – and show what we can learn from it for the future.

The main purpose of DNAmarkerpoint is to better understand the ecology, evolution and biodiversity through the study of ancient- and modern DNA.

LED3 is the combined effort of three excellent institutes of Leiden University. Through joined hands, we are able to give rise to a more effective early drug discovery pipeline. Let us briefly introduce the three institutes.

The Cryogenics Department has a liquid helium production unit and an automatic liquid nitrogen filling plant.

Research truly comes to life when it contributes meaningfully to society. By sharing our findings, advising policymakers or contributing to community projects – we can make a real impact. Scroll down and discover how Science and society can mutually benefit from each other.

How have human-environmental entanglements changed in the Gulf of San Miguel, Darien, Panama, from the first traces human practices through to the present?

Plants, algae and cyanobacteria have the amazing capacity to perform delicate photophysical and photochemical processes of light capture, excitation transfer, charge separation and catalysis in fluctuating living environments. As a consequence, photosynthetic proteins and membranes form dynamic architectures.…

Commercial enterprises who want to make use of the expertise and facilities are referred to LAB , the commercial unit responsible for specialized laboratory work.

Institute of Biology Leiden (IBL) is an internationally oriented institute for research and education in biology. We are part of the Faculty of Science at Leiden University.

From molecule, to cell, to organism. The high-level drug research at the Cell Observatory aimes at reducing the spread of cancer and developing new medicines for tuberculosis.

During the Leiden Science Family Day, you can take part in various workshops. You can also watch various demonstrations. Where will you go?

The CIGR brings together a diverse range of unique expertise in genome research rooted in biology, chemistry and physics. Members of the CIGR investigate genome folding and genome transactions. An important aspect is direct as well as long term relevance for medicine.

The Garden Club is a ProParte sub-group.