Seaweed, which is vital for marine life, is disappearing throughout the world at an alarming rate. Different currents and wave patterns can bring about recovery, but more research is needed. This is the conclusion of Achmad Adhitya. His PhD defence has a political edge because of his proposition and…

The Faculty of Science forges new research collaborations with the Institut Teknologi Bandung in Indonesia in the fields of tropical diseases, e.g. tuberculosis and medical biotechnology.

In a full lecture hall C1 the Faculty of Science started off the new academic year on Tuesday 5 September. The theme of the meeting was, just as it had been at the university's opening the day before, sustainability.

Early November, a delegation of the Faculty of Science visited two Indonesian universities to shape the collaboration in bioscience. The Faculty also opened a new Indonesian office in Yogyakarta.

Evolution is all around you every day. This is the message of a Massive Open Online Course (MOOC) of Leiden University and Naturalis that is offered free of charge to anyone interested.

Living labs make it possible for citizens to participate in research for sustainable development of their environment. This way citizens, together with scientists and stakeholders, create local conditions for food production, healthy environment, and biodiversity.

Mission: The Environmental Biology department aims to increase the scientific understanding of how current and emerging anthropogenic threats affect biodiversity and ecosystem services. Through this understanding they facilitate strategic management of natural resources by addressing urgent challenges…

Our institute aspires to be the center of excellence for strategic and quantitative research and education on sustainable use and governance of natural resources and biodiversity. We have two distinct research programmes: Environmental Biology and Industrial Ecology. The department of Industrial…

ABPP2027 will be held in Naturalis, Leiden, The Netherlands.

Dutch book about pesticides and waterquality

How to take ownership of your career? To find out, students from ‘Design Your Career as a Climate Change Maker’ visited a farmer who has done just that. They learned from him that it’s never too late to start working on something you believe in.

Institute of Environmental Sciences (CML)

How many species of plants, animals and fungi live in urban nature? in 2026 are Leiden, Leiderdorp, Oegstgeest and Katwijk observing and recording how many unique species there are, to put the state of urban nature on the map. Together everyone from May 1st till 30th of June will record every spider,…

An Institute of Environmental Sciences, ambitious goals for energy, water and CO2 emissions. Leiden University plans to take the lead on sustainability - in research, teaching and raising awareness.

For the first time, researchers were able to grow organoids from snake venom glands. The lab-grown 3-D structures can produce snake venom molecules. This is a major step in finding treatments to tackle snakebite, which causes over 100,000 deaths each year. Publication in top journal Cell.

Short introduction

How can people and lions sustainably coexist?

Opportunities, challenges, and future perspectives of people-centered approaches in dynamic historic urban landscapes

The master’s programme Biology at Leiden University offers seven specialisations ranging from Cell Biology to Molecular Genetics. The programme prepares you for a career in research within or outside academia.

In September 2023, we will be transforming a under-utilised outdoor space into a greener and more biodiverse garden in which all students and staff of the Schouwburgstraat can relax and enjoy.

Hifadhi ya Dijiti ya Ustadh Mau

Systematic investigations into religious precepts, worldly rules of law and legal practices in the Muslim world show clearly how these societies deal with justice and injustice. Sharia, the Islamic ‘legal system’, plays an important role in this context.

How many species of plants, animals, fungi and moss live in the gardens surrounding the Oude UB at Rapenburg 70? On Tuesday May 20th, the Citizen Science Lab led an investigation in the front gardens and back courtyard of the Old UB at Rapenburg 70, together with 15 colleagues working in that buildi…

How can we make the information in handwritten historical research reports accessible and searchable? Data scientists at Leiden University are working with other universities on a method that will improve access to cultural heritage.

Human activity, such as pollution, may disturb the balance of living water systems, which has consequences for biodiversity, but also for other functions such as water purification. Leiden University maps living water systems using the most advanced technologies.

For many people spring is associated with the awakening of nature. The trees begin to paint the backdrop green again, welcoming the beginning of a new season with the chorus of frogs and bees, and the scent of flowers in the air. For Jaqueline Henrot, researcher at Naturalis Biodiversity Center and…

In 2021, Leiden University will develop a new Sustainability Vision 2030. This vision for the future focuses on the primary tasks of the University: integration and visibility of sustainability in our education and research.

We investigate water quality and want to understand the effects of human interference on aquatic biodiversity.

Environmental scientist Alexander van Oudenhoven has been chosen as Discoverer of the year of the Faculty of Science. Vice Rector Magnificus Hester Bijl announced this during the faculty’s New Year’s Reception on 10 January. Biologist Changsheng Wu won the prize for best dissertation of 2016. Computer…

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…

In the research programme Microbial Sciences we perform state-of-the-art research in the field of biotechnology and microbial sciences.

Besides the Hortus being a beautiful place where visitors can relax and learn more about plants, we also facilitate botanical research. At the botanic garden, our ‘Living Botany’ research group investigates (plant) biodiversity and the relationship between plants and people.

Do you have questions about the Master Biology? Please contact us!

We perform multidisciplinary research at molecular, cellular, and organismal levels of animal biology to increase fundamental understanding of health and disease.

Leidse milieuwetenschappers doen onderzoek naar microplastics, bestrijdingsmiddelen en bemesting. En binnenkort naar lichtvervuiling en nieuwe materialen uit de nanotechnologie.

The living plant collections form the heart of the Hortus botanicus Leiden and serve as a vital resource for scientific research. By studying these collections, researchers can explore biodiversity in a unique way and conduct experiments on living material.

Since the start of the Green Office, several projects have been initiated to increase awareness amongst staff & students and to make the university more sustainable. Read all about our current projects here.

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In this course, you will develop an understanding of evolutionary processes and their formative power. You will see how evolution has shaped biodiversity, and continuously influences our daily life.

How do plant defense genes get activated?

A recent study on reintroduced tigers in Panna Tiger Reserve in India reveals that risks from tigers increased more because of human behaviour and people's livestock husbandry practices.

Dorothea Schulz & Martin Hense