Face masks and gloves designed to protect us are, in fact, dangerous for the animals around us. Scientists from Leiden warn that throughout the world, on land and in the water, animals are ingesting corona waste, or getting entangled in it. The two biologists are asking for everybody’s help to better…

In an unpredictable environment bacteria evolve the same strategy as shareholders who try to protect themselves against unpredictable swings in the stock market. Experimental evolution biologist Dr Bertus Beaumont published an article on this discovery on 5 November in the journal Nature.

Even embryos can become embroiled in an evolutionary arms race with another species. Leiden biologists demonstrate this with larvae of the rosy bitterling that parasitize the gills of freshwater mussels. They published their research on February 19 in PNAS.

After years of lobbying by environmental activists, a deposit scheme for small plastic bottles is to be introduced on 1 July 2021. One of the leaders in the fight is alumnus Merijn Tinga. The university will have collection points for plastic bottles and is also supporting the Plastic Spotter citizen…

In 1800, French explorer Nicolas Baudin led an important scientific expedition to Tenerife, Mauritius, Australia, Timor and South Africa. He returned with hundreds of exotic bird species. PhD candidate Justin Jansen reconstructed this ‘catch’ in a weighty book and talked to us about the wonderful fi…

Charles Darwin received an Honorary Doctorate from Leiden University on 9 February 1875. What traces did he leave behind in Leiden?

The cellular recycling system in zebrafish is capable of eating harmful bacteria and thus resist infections such as tuberculosis and salmonellosis. That is written by Leiden biologists from the group of Annemarie Meijer. Stimulating this form of defence could be used in new treatment methods against…

The Leiden municipality wants to make the city centre climate-proof and combat heat stress by greening it. But they want to do this in a way that does justice to the city’s heritage. Researcher Fenna IJtsma delves into historical greenery to offer inspiration.

Biologist Freek Vonk had already appeared in the Time Warp programme, where he was shown milking a snake for its venom, which he needed for his doctoral research. On Friday 18 September, he explained his fascination for snakes to Matthijs van Nieuwkerk in ‘De wereld draait door’, a Dutch news and entertainment…

Gigantic photos of 25 Leideners who have meant a lot for the city and the world have recently been hung on the Achmea building by Leiden Centraal station. These include several Leiden researchers.

Biologist, artist, activist and Leiden alumnus Merijn Tinga supped the river Rijn in 28 days, to gain attention for plastic waste. His journey of more than 1000 kilometers has been captured in the documentary ‘From Source to Sea’, that can be seen on 4 June at 20:50 on National Geographic Channel.

Behavioural biologist Wouter Halfwerk has been awarded a 2-year outgoing Rubicon-grant from NWO. He will be working at the Smithsonian Tropical Research Institute with bats and frogs to understand the evolution of multimodal communication.

On February 24, 2017, the Institute of Biology Leiden organised the first edition of the Biology Career Event. The career event for third year bachelor and master students was well received by the attendants. ‘I felt that the presenters and people doing the workshops were really trying to help us get…

After his PhD defense on 25 September Frits Veerman will go to the University of Oxford to do research at the Centre for Mathematical Biology.

'A spectacular new Philippine monitor lizard reveals a hidden biogeographic boundary and a novel flagship species for conservation' . CML-researcher Merlijn van Weerd has participated in a new article in Biology Letters about this discovery.

Professor Pieter (‘Piet’) Sevenster passed away on January 19th, at the age of 89.

Biology PhD student at Leiden University Kevin Groen and his identical twin brother Marvin Groen (a biology student as well) will be on Dutch Television from Tuesday 5 September in the programme called Vroege Vogels every week (NPO 2, 19:20).

If male budgerigars can successfully open a puzzle box with food, they become more attractive to females. Biologist Carel ten Cate and Chinese colleagues published experimental evidence for this in a paper in Science on 11 January. Various Dutch and international media wrote about the paper.

Fourteen Leiden University scientists appear on the 2018 Highly Cited Researchers list, which was announced on 28 November by Clarivate Analytics.

The Netherlands has a lot of world-class speed skaters and footballers. Clever statistical analyses could help them perform even better. Leiden University is working on this together with Delft and Amsterdam.

A beautiful speech by vice-dean Bart de Smit, a mini-lecture on exoplanets and the presentation of three faculty awards. That's how we started the new year at the faculty. Together with colleagues and students, we raised our glasses to a new year full of great collaborations, science and education.

A record number of 83 teams collected a record sum of 10,566.37 euros on 29 September during the Leiden Science Run. The full sum goes to the Foundation for Refugee Students UAF.

Are disturbances to the brain, such as Alzheimer's or autism, linked to specific defects in the underlying communication networks in the brain? If this is the case, subtle changes in the networks can act as a marker for brain disturbances. Neuroscientist Serge Rombouts will be investigating this, together…

Fascinated by science since high school, Alireza Mashaghi Tabari is driven to explore new ways of thinking in medicine. With a strong academic network, he educates students and gives public lectures. For his research at LACDR, he won the C.J. Kok Public Award 2018, making him the Faculty of Science's…

How do the residents of the Kooi neighbourhood in Leiden find living there? What can we do about loneliness? In this extraordinary academic year, students have been conducting all sorts of research, in Leiden. They presented their initial findings and recommendations at a Learning with the City meeting…

Christmas is coming, which means that 'Our Talents and Discoveries 2016' has been distributed. This also means that it is time to vote for the 'Discoverer of the year 2016'. Each of the eight institutes nominated one researcher that excelled in the past year. Who is your favourite?

A delegation from Leiden University, headed by the Rector Magnificus Professor Paul van der Heijden, is currently in Xiamen, in South-East China, to conclude two agreements on intensive research and teaching collaboration with academic institutions there, and to open the first MEARC representative office…

Irene Battisti is the discoverer of the year 2019. The physicist won the C.J. Kok Public Award for her research into microscopy and superconductors.

On November 19th, Dirk-Jan Kok, PhD-candidate at CML, will set course for Martinique on tallship the Morgenster. With 18 other motivated individuals, they will form the think tank that aims to come up with creative solutions to the problems that the industry faces in transitioning to circular economic…

Athletes always strive for the top. How can data scientists assist them in improving their performance? During the seminar Data Science and Sports, the possibilities and challenges of collaboration between these two worlds were discussed.

Wondering what anthropology students can contribute in daily practice? Both during their bachelor's and master's studies, anthropology students conduct research at the request of social organisations in Leiden via Leren met de Stad. Last week, they presented their experiences and results on the various…

Remko Offringa has been appointed Professor in the field of Plant Developmental Genetics within the Faculty of Science at the Institute of Biology Leiden (IBL) from the 1st of April 2017. Offringa’s research focuses on the role of the plant hormone auxin in controlling plant growth and development,…

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…

The Open Day of Leiden University, on the 8th of this month, was a success again: 483 prospective students came to find out what Leiden has to offer. The Institute of Biology Leiden was also present.

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.

Nathaniel Martin has been appointed professor in the field of Bioorganic Chemistry within the Faculty of Science at the Institute of Biology Leiden, starting from 1 March 2018. His research focuses on using new (bio)chemical approaches to combat infectious disease, as well as on developing new molecular…

The new book of Professor of Character evolution and biodiversity Menno Schilthuizen gained a lot of media attention. ‘Darwin comes to town – how the urban jungles drives evolution’ was published in English in February and will be available in Dutch soon.

Evolution is all around you every day. This is the message of the new Massive Open Online Course (MOOC) of Leiden University and Naturalis that begins on September 19.

You can't see them with the naked eye, but they are highly likely to pose a threat to our health: microplastics. These tiny plastic particles are present everywhere in the environment, including within our bodies. On science platform The Conversation molecular biologist Meiru Wang offers valuable insights…

Studying hard at one of our locations? Doing research in the lab? Or enjoying the sun at a friendly pavement café? Record your summer in Leiden and/or The Hague and see your photo on our Facebook page. Who knows, you may win the top prize!

Biologists Michelle Spierings and Ryan Bogaars will both join the Dutch Final of the FameLab Competition on April 21st in Museum Boerhaave, Leiden.

Leiden University opened its doors on Leiden Museum Night, with a whole host of things to see and do at the Academy Building, Hortus botanicus and Old Observatory. Take a look at the photos and see.

On this page you will find an overview of awards and prizes granted to our staff and students in 2024, as well as special appointments at Leiden University and other institutions.

Leiden University is investing 4 million euros in a new Data Science research programme. This is a joint initiative of all the faculties, headed by Dean Geert de Snoo at the Faculty of Science. The programme will focus on Leiden scientific data.

Innovation in nest building: bird nests made from anti-bird spikes. Researchers from Naturalis Biodiversity Center and the Natural History Museum Rotterdam describe this behaviour in a publication.

Paco Barona Gomez is the newest associate professor at the Institute of Biology Leiden (IBL). The Mexican researcher is fascinated by the evolution of natural products: compounds made by microbes, but also plants and animals. ‘It’s like we investigate chemical dark matter.’

After four years of hard work, the time has finally come: your thesis is finished. But who of your family and friends will ever read it? Biologist Lizah van der Aart decided to make a magazine for layman. 'It was precisely the explanation of the difficult, fundamental parts that gave me good tools for…

Certain cichlid fish in Lake Victoria seem to have adapted super-fast to changing circumstances. Dr Frans Witte from the Integrative Zoology section has been awarded an NWO subsidy (approx. € 240,000) to carry out PhD research into the rapid changes apparent in this fish species.

Can Zebra finches learn to distinguish two very similar Dutch words? Research by behavioral biologist Verena Ohms proved that they can identify 'wit' and 'wet'. Ohms published her findings in

Does a snake die when it bites its lip? Why will a mongoose survive a scorpion’s sting, but we humans perish? These questions occupied the minds of toxin-enthusiasts and Master’s students Biology Jory van Thiel and Roel Wouters. They collected information from many sources and published their findings…