We have to do all we can to stop climate change. But: the Earth is more resilient than we thought. That is the surprising conclusion of an international team of ecologists and mathematicians, which included Leiden mathematician Arjen Doelman. The team discovered that ecosystems can still avoid tipping…

On Friday 13 July, fifty Philippine crocodiles (Crocodylus mindorensis) bred in captivity were released into a lake in the Northern Sierra Madre Natural Park on the northern Philippine island of Luzon. Researchers at Leiden University are hoping this will help speed up the recovery of the crocodile…

With the necessary measures, researchers restart their work in various laboratories. The Leiden Cell Observatory is one of the places where scientists resume their lab work.

Each year, CML gives out three Stans Awards. The Institute's staff could nominate students and colleagues for the prices of best student thesis, best PhD paper and best outreach from the past year. Jury members Jan Willem Erisman and Nicole de Voogd made the final decision.

It may well be that only male zebra finches can sing, but the females are faster at learning to discriminate sounds. Leiden researchers publish their findings in the scientific journal Animal Behaviour.

Young Academy Leiden wants to bring together young academics. After all, it is not that easy in practice to meet peers outside your field. With inspiring and fun Faculty lunches, the organisation strives to connect young researchers. The most recent, hosted at the Faculty of Social and Behaviourial…

The first of April was the official start of Phase II of the collaborative “PCAD4Cod”-project on the effect of sound on fish populations. Hans Slabbekoorn, associate professor at the IBL, is the principal investigator and collaborates with three PhD-students, Dr. Erwin Winter, (Wageningen Marine Research),…

Dr Nadine Akkerman, lecturer in Early Modern Literature and postdoctoral researcher in Leiden, has written a new book to accompany the exhibition on Elizabeth Stuart and Amalia von Solms at the Historical Museum of The Hague. ‘They were like goddesses, constantly trying to upstage one another,’ says…

Young babies laugh like adult apes do: producing sounds while inhaling and exhaling. Adult humans produce sounds on the exhale only. Cognitive psychologist Mariska Kret and colleagues have published an article about the development of human laughter in the journal Biology Letters.

The latest issue of NTT Journal for Theology and the Study of Religion debates dr. Markus Altena Davidsen’s vision for the future of religious studies in the Netherlands. Comparison, theory formation, and valorization are among the elements that Davidsen urges scholars of religion to prioritize in order…

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…

The fact that scientists are increasingly better able to access molecular cell and tissue data also brings with it a new challenge: how can scientists find the information they need for research among the vast amount of data available?

As a prelude to the Night of Discoveries, an Afternoon of Discoveries will be held in Leiden on 21 September for children from the age of eight. Researchers will tell exciting tales and the children will get to do experiments.

The compulsory reading list is infamous among secondary school students, and for all the wrong reasons. This prompted the Faculty of Humanities and the Onderwijsnetwerk Zuid-Holland (South Holland Education Network) to launch the Alternative Reading List Award, in search of books that motivate young…

For some devout Muslims, going to the cinema or viewing certain images is provocative and problematic. Ahmad Nuril Huda investigated the development Santri (young, pious Muslims) have undergone in this field over the past ten years. The Cinematic Santri is the result of his PhD research.

Comparison between babies and song-birds when they are learning a non-existent language—a study of this kind has never been tried before. But this is what Claartje Levelt, Carel ten Cate (Leiden University) and Jelle Zuidema (University of Amsterdam) are attempting.

In the 1960s at MIT, cognitive scientist Marvin Minsky told a couple of graduate students to program a computer to perform the simple task of recognising objects in pictures, thinking it would be a nice summer project. Scientists from Leiden and the rest of the world are still working on it today.

Geometrical patterns serving as decorations do more than just that; they always have a meaning, according to art historian Arthur Crucq. Doctoral defence 17 May.

The Dutch biotech start-up In Ovo is the first company to develop a large-scale solution for determining the sex of a chick while it is still in the egg. This fast and cheap technique can be applied mechanically at hatcheries, which was not possible before.

Epithelial cells play a crucial role in the lungs. PhD student Ying Wang researched the effects of cigarette smoke and viruses such as COVID-19 on these epithelial cells. ‘We hope to reduce the risk of pandemics in the future.’

I think we should go this way. This way! THIS! WAY!! Making yourself heard in a city can be difficult. That is not only the case for humans, but birds seem to be hindered by urban noise as well. Researcher Hans Slabbekoorn of Leiden University already showed that great tits in Leiden communicate differently…

The University of Oslo and Leiden University have joined forces to organise a Tutorial on Robots and Society: Ethical, Legal, and Technical Perspectives on Integrating Robots in the Home and Healthcare Systems and Services at the IEEE International Conference on Robot and Human Interactive Communica…

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…

The Laboratory of Material Culture Studies welcomes two new researchers in October 2013. Dr. Christina Tsoraki and Dr. Benjamin Tun-Yee Chan, both from the Department of Archaeology of the University of Sheffield, received a Marie Curie research fellowship and will perform their research for 24 months…

The strange tropical plants belonging to the Corsiaceae family first emerged millions of years ago on the supercontinent of Gondwana. That is what Leiden University researcher Constantijn Mennes concludes in an article in the Journal of Biogeography.

It’s been a turbulent, bizarre and extraordinary year, 2020. Coronavirus turned the lives of everyone at our University upside down. Out teaching, research and all the events that are held in a year: nothing was the same as before. That this affected all of us is clear from the highlights and many reactions…

Due to the corona crisis, they had to switch to online education halfway during their course: associate professor Marcel Schaaf and PhD candidate Michiel Hooykaas of the Institute of Biology Leiden talk about digital practicals, online lectures and their biggest obstacle: exams.

After 41 years, Meindert Danhof, Professor of Pharmacology, is leaving the Leiden Academic Centre for Drug Research on 31 March. A symposium in his honour, prior to his farewell lecture, will show what has been achieved in this period. Danhof takes a look back on his career.

Michiel Veldhuis received the most public votes for the C.J. Kok Public Award and may therefore call himself Discoverer of the Year. Veldhuis researches how climate change affects savannah ecosystems in Africa and how we can protect them.

Ecologist Rosaleen March from the Institute of Environmental Sciences (CML) will carry on her research on functional biodiversity: a measure to assign value to ecosystems. Following her previous Marie Curie co-fund, she now receives a full Marie Curie fellowship. March: ‘We need to know how losing biodiversity…

Paul Brakefield, Professor of Evolutionary Biology at the Institute of Biology in Leiden (IBL) has been awarded an ERC Advanced Grant for his research. He will receive 2.5 million euro to develop his research programme over a period of five years.

How does an embryonic stem cell decide if it becomes a heart cell or a kidney cell? That’s the question computational biologist Maria Mircea studied for her PhD research. She looked at the inside of individual cells to analyse how they change. This is what she discovered.

Stimulating the vagus nerve, which provides a direct link between the gut and brain, makes people pay less attention to sad facial expressions. This research study by psychologists Katerina Johnson and Laura Steenbergen is published in the journal Neuroscience.

To properly understand how babies absorb a language we need to study the process from a number of different perspectives, linguist Claartje Levelt argues. She accepts her appointment as Professor of Language Acquisition on 27 March with an inaugural lecture entitled ‘Language in its infancy’.

The Upper and Lower Houses of the Dutch Parliament are struggling with how tolerance should best be interpreted. As a result, the freedom in the Netherlands for people who hold alternative views is diminishing. This is Floris Mansvelt Beck’s conclusion on the basis of his PhD research. Defence on 2…

From the 11th of May Ewa Snaar-Jagalska has been appointed Professor in the field of cellular tumor biology within the Faculty of Science at the Institute of Biology Leiden. Her research focuses on the cellular tumor biology and human cancer modeling in zebrafish

The Netherlands Organisation for Scientific Research (NWO) has made a subsidy of 17 million euros available to further develop a Netherlands network for electron microscopy (NEMI). The network comprises five UMCs and eight universities, with Utrecht in the coordinating role. From Leiden, the Institute…

Biological chemist Nathaniel Martin is going to test an alternative antibiotic that can combat common resistant bacteria such as MRSA. For this purpose, he will receive 350,000 euros from the NWO's NACTAR programme. ‘We want to know how safe and effective our antibiotic is in a realistic situation.’

On an excavation site in Oegstgeest Leiden University archaeologists discovered a very rare silver bowl from the first half of the seventh century. The bowl is decorated with gold-plated representations of animals and plants and inlaid with semi-precious stones. The discovery suggests the existence…

Neanderthals in cold regions probably ate a lot more vegetable food than was previously thought. This is what archaeologist Robert Power has discovered based on new research on ancient Neanderthal dental plaque. PhD defence 1 November.

How does digitalisation affect the humanities? The introductory course for the Honours College Humanities Lab challenges students to reflect on this through the production of their very own short film.

For all the artworks that Riccardo Giacconi creates, he begins by conducting extensive research. He discovered three stories about rebellious characters that were transmitted through unofficial channels: as characters in puppet shows or in folk tales. He translated the three stories into three cycles…

The new open access book The Science of Citizen Science bundles insights into science that is conducted together with citizens, to promote this growing form of science.

Asexual procreation in female wasps leads to an accumulation of genetic mutations, and the shrivelling of their sex organ. Leiden biologist Ken Kraaijeveld published this discovery in Evolution. His research is one of the first experimental studies into the consequences of asexual procreation.

Photographs of sacred rituals and ceremonies in Asia by Bangkok-based photographer and author Hans Kemp can be seen in the front hall of the Leiden Town Hall from 27 June to 19 August 2019. Here a sneak preview.

It came as a shock to many people: one million plant and animal species are threatened to become extinct. But this number isn’t the most relevant aspect, argue Alexander van Oudenhoven, Koos Biesmeijer and three other experts in Dutch newspaper Trouw. ‘It is more important to realise that the fate of…

Professor of Fungal Genetics and Biotechnology Arthur Ram explains how fungi can help us be more sustainable.

An external visitation committee gave the Institute of Biology Leiden (IBL) an outstanding assessment. In terms of research quality and relevance to society, the IBL gets the highest score: excellent. The increase with five new female professors also receives praise from the committee.

The transition from single cells to multicellular organisms was a key step in evolution. Researchers from Leiden and Amsterdam developed a mathematical model that explains how this transition may have come about. They suspect cooperating cells may correct each other’s mistakes. Publication in eLife…

More efficient use of phosphorus fertilisers would make it possible to meet food demand in 2050, without using more of the world’s land for agriculture. This is what environmental scientists José Mogollón and colleagues have discovered by working out various future scenarios for food production and…