Ships are still emitting too much nitrogen oxide. Till now it has been impossible to measure this at sea, but that is set to change. Solomiia Kurchaba combined satellite data and developed algorithms to identify which ships are emitting too much. Kurchaba received her PhD on 11 June.

For the first time, a court has ordered a company to reduce its carbon dioxide emissions. Lawyers see it as a landmark ruling that will have far-reaching consequences for Shell and possibly also other similar companies.

The carnivore diet, a fact or just a trend?

The Hortus Talks is a podcast series as well as a botanical college tour, recorded in the greenhouse in the middle of the Hortus Amsterdam. The theme of the podcast was plant migration. In this context Anastasia explained the importance of understanding how hunter-gatherers impacted past landscapes…

In August-September 2016 three CML students are doing an exciting field work in sub-arctic tundra in Sweden in collaboration with Ümea University.

PhD defence

PhD defence

PhD defence

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.

A soap film with chemically distinct sides: it's the latest breakthrough in the research led by chemist Sylvestre Bonnet. This unique soap film, along with an innovative device capable of continuously producing new soap films, forms a crucial piece in the puzzle for the development of artificial pho…

Leiden evolutionary biologist Maurijn van der Zee has co-operated on an enormous international project to describe the genetic material of the pea aphid Acyrthosiphon pisum. The more than 100 authors involved in the project have published their findings in the online magazine PLoS Biology.

A more efficient solar panel sounds great. But what if these new panels consume more toxic materials, or their production consumes a lot of energy? Leiden environmental scientists, together with colleagues from the Fraunhofer ISE, address this multifaceted question in a new publication in the prestigious…

The biographer of Leiden University, Willem Otterspeer, has a new book out. In ‘De stad, de dood en de dichters’ (The City, Death and the Poets) he combines his love for the University and poetry with autobiographical reflections. ‘With my magnifying glass I discovered yet more new details in the pr…

The enthusiastic finalists of the Sustainable Business Battle proved that sustainability and business can go together well. Fire in their bellies, they pitched their green solutions, ranging from an Energy Race app for DUWO to a cycle parking facility covered with plants at the Bio Science Park.

Mike Field has been at the Faculty of Archaeology since 2008. As a driven archaeobotanist, he is consistantly contributing to the study of plant fossils encountered in many faculty as well as external projects. ‘Flexibility, spontaneity, creativity, these are all parts of being an academic.’

They can play a role in metabolic disorders and can break down tough plant fibers: β-glycosidases are enzymes that play many roles in nature. Fredj Ben Bdira changed these enzymes in order to enhance the production of clean energy and to improve the treatment of patients with metabolic diseases.

Imagine we could do what green plants can do: photosynthesis. Then we could satisfy our enormous energy needs with deep-green hydrogen and climate-neutral biodiesel. Scientists have been working on this for decades. Chemist Chengyu Liu will receive his doctorate on 8 June for yet another step that brings…

The environmental risks of new pesticides containing nanoparticles are inadequately researched, according to four Leiden scientists in the scientific journal Environmental Science & Technology. They call for an examination of the long-term and environmental effects of pesticides containing nanoparti…

On 22 May, astronaut André Kuipers opened the new Mediterranean garden in the Hortus. With this water-efficient garden, the Hortus aims to offer inspiration for future- and climate-proof garden planting. Prefect Paul Keßler and scientific director of the Leiden Observatory Ignas Snellen also signed…

From a Tuscany escape room to scientific illustrations of flowers, and from Chinese movie subtitles to innovative education methods for children, every subject imaginable was covered at the first ever Honours College Conference. ‘You get the chance to break away from the standard study path.’

PhD candidate Ludwig Hoffmann will spend two years at Harvard University in the US thanks to a Rubicon grant he won on April 11. Using theoretical models he studies biological tissues, for example during morphogenesis. This is the process that causes tissue or organisms to develop their shape. ‘This…

Researchers at Leiden University have been awarded a €4 million EU grant to develop climate-neutral fuels. With this money they will expand the broad research community that focuses on green energy. If we work together, we can make the rapid progress that is needed, says Prof. Huub de Groot, Professor…

Whales in the vicinity of the city of Auckland, New Zealand consume large amounts of microplastics every day. A team of international researchers reached this conclusion after carefully examining whale poop. The team included Thijs Bosker, Associate Professor in Environmental Sciences at Leiden University…

On 29 June the startup company Future Genomics Technologies will be launched. Its aim is to make DNA technology and research available for businesses faster. Future Genomics Technologies is a collaboration between DNA research laboratory BaseClear and Leiden University.

A Leiden Groningen student team has reached the European finals of the BISC-E competition. In this annual competition students have to come up with a sustainable solution to a major social problem. The team invented Suckerspheres: a natural alternative to the plastic microbeads that are still widely…

Scientist looked for the genetic footprint of fire use in our genes, but found that our prehistoric cousins - the Neanderthals - and even the great apes seem better at dealing with the toxins in smoke than modern humans.

A global biological study has provided the most direct evidence to date that humans, and specifically cities, are the drivers of evolutionary change on Earth. Leiden University, Naturalis and the Municipality of Leiden worked on and helped fund the study.

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…

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.

Microorganisms that temporarily ‘go to sleep’ play an important role in the evolution and survival of a population. Mathematician Shubhamoy Nandan conducted research on the effect of this characteristic called ‘dormancy’ in a novel mathematical model.

Each year, poppies disperse seeds that grow into a new generation of flowers. Sometimes, some of the seeds postpone their germination for a few years, for example when they’re covered by a layer of sand. Only when the sand disappears, do they start to sprout. Margriet Oomen did mathematical research…

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!

To what extent do nanoparticles accumulate in plants and animals, and what properties of the particles play a part in this? Willie Peijnenburg, professor of Environmental toxicology and biodiversity was awarded a Marie Curie grant to conduct research on the environmental effects of nanoparticles.

In the early 2000s, Jatropha Curcas was worldwide promoted as a promising solution to global concerns on climate change, fossil fuel depletion and rural poverty. The seeds of this plant were supposed to produce valuable oil which could be used as biofuel. Henky Widjaja, PhD candidate at the Institute…

Memorandum of understanding (MoU) signed between ISGA and Fukushima University during visit in Japan

On 24 September the Institute of Environmental Sciences (CML) in Leiden will launch the new version of the Pesticides Atlas in cooperation with Rijkswaterstaat and Royal HaskoningDHV. The online tool is now faster, more user-friendly, more accessible and all data can be downloaded directly. Users can…

The starting point of human-induced landscape changes has been under permanent debate. It is widely accepted that the emergence of agriculture strongly increased human impact on their environments. However, foragers can and do actively transform land cover and ecosystems. Ethnographic observations,…

At Leiden University many staff members and students value making sustainable and responsible choices in their personal lives. Making these choices in our professional lives may feel a bit more complicated. But is that feeling justified? Archaeologists Gerrit Dusseldorp and Roos van Oosten share their…

An overview of awards and prizes granted to our staff and students in 2020, as well as special appointments at Leiden University and other institutions.

With the What's Next? series we hope to inspire current Media Technology MSc students, show the variety of paths taken after the studies, and bring together alumni. Editions of the series are generally organized around a particular theme by Media Technology MSc students themselves, and followed by social…

Scientific methods and techniques have been employed in archaeological research since the very birth of the discipline. It is impossible to imagine modern archaeology without this expertise in archaeological sciences. These archaeological sciences take centre stage in the new temporal exhibition at…

The new Language Learning Resource Centre was launched today at Leiden University. The LLRC is an initiative to unite all language teaching professionals working at Leiden University, and allow them to share their ideas and resources.

Below is an overview of the highlights of 2019 for our faculty.

In the interests of knowledge exchange and research, a delegation from the China Academy of Chinese Medicinal Sciences (CACMS) in Beijing paid a visit to the Hortus botanicus in Leiden. The visit was part of a joint research study on herbal medicine.

Aileen Ye graduated from the BA International Studies in 2019 and is a board member of the Leiden University Green Office (LUGO). She also works on Blue Nile, a documentary in which looks at the effects of climate change from the perspective of an Ethiopian coffee farm. In the LUGO newsletter she tells…

After three years of covid postponements, the time had finally come on Wednesday 29 June 2022: Carel Stolker’s last speech as Rector Magnificus was buried according to tradition under the ginkgo tree in the library at the Kamerlingh Onnes building.

If there is life outside our galaxy, how could we find it? In his Oort Lecture, James Kasting talks about his search for simple life on other planets. Kasting was in the Netherlands for two weeks, because he was invited as the Oort Professor 2018.

Leiden Biology student Thijmen Breeschoten received the annual award for being the best BSc-student in 2013 from the “Stichting Professor Dr. K. Bakker-fonds”.

On Friday, the 24th of November 1995, a joint celebration took place in the Great Auditorium of the Academy of Leiden University on the occasion of the 50th Anniversary of the Independence of the Republic of Indonesia on invitation by H.E. Drs. J.B. Soedarmanto Kadarisman, Ambassador of the Republic…

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.