Building a fire involves many variables, such as size, choice of fuel, temperature, and burn time, that affect the way the generated heat can be used, and therefore the potential function of a fire. A group of Leiden archaeologists are, together with a team of international colleagues, investigating…

Forum essays provide a framework for intellectual exchange and debate about the role of diplomacy around a particular theme. The essays are argumentative contributions and are shorter than research articles.

BACKGROUND: Explant human skin equivalents (Ex-HSEs) can be generated by placing a 4mm skin biopsy onto a dermal equivalent. The keratinocytes migrate from the biopsy onto the dermal equivalent, differentiate and form the epidermis of 1(st) generation Ex-HSEs. This is especially suitable for the expansion…

Amino acids are the building blocks for life on earth. They may originate in space and reach the Earth via comets and meteorites. Daniël Paardekooper examined part of this hypothesis. PhD defence on 5 July.

He was so disappointed that he couldn't go on that archaeological field trip to the Caribbean, he spent most of his time at his computer working on his dissertation instead. But that didn't keep him from gaming from time to time, a personal passion that ultimately led to his current job. Since February…

Using brain imaging to discover the area in the brain that recognizes emotion.

This project investigates the well-preserved agricultural terraces of the Inn valley and the evolution of resource use in the inner Alps.

Estudio arqueológico de la primera ciudad española en la Tierra Firme de América: Santa María de la Antigua del Darién

Her love for China made her study Chinese and go on an exchange trip in her third year of studies. As an Outbound Student Coordinator at the Humanities International Office, Karin Aalderink (45) now supervises students who go abroad.

After nine years, Mirjam de Baar is leaving as vice-dean of the Faculty of Humanities. ‘It will take some getting used to letting go of this vice-deanship because the education portfolio is very close to my heart and I’ve worked hard for it in recent years in close cooperation with many colleagues.’

On Monday 31 October the Europa Instituut had a special guest lecture by not one, but sixteen leading Russian Human Right Defenders. The Leiden Law School was very happy to host the Russian delegation, at the initiative of the Dutch Consulate General in St. Petersburg.

Vivian studies the Global Political Economy specialisation of the MA International Relations and is the coordinator of the Humanities Buddy Programme. Originally from Malaysia, she has been studying abroad in various places. At Leiden, she focuses her studies on illicit political economy and ensures…

Anneloes van Iwaarden works part-time as a communications manager at the Centre for Linguistics (LUCL). She grew up in England, Switzerland and the Netherlands, where she eventually studied international relations. But her passion was always writing.

My name is Eliza Steinbock, I’m 38 years old and I was born and raised in Louisville, Kentucky in the United States. I started teaching and researching at Leiden University in 2014. I research and teach gender representation, mostly of transgender people, in media and culture.

The fact that Tim Meijers ended up becoming a philosopher came as no surprise. Even as a child, the university lecturer endlessly asked questions to himself and others. Now that is his job at the Institute for Philosophy at Leiden University. Tim Meijers researches sustainability and justice between…

She began as an IT professional but after 7 years in the business world, she devoted herself to an entirely different field: Islamic Theology. As co-founder of the Leiden Islam Academy, Fatiha Azzarhouni now works at Leiden University to increase understanding of Islam in Dutch society.

Peter Burger is a university lecturer at the master in Journalism and New Media and co-founder of Nieuwscheckers. He now teaches the course Factchecken at Leiden University. He also supervises theses and internships and conducts research into the trustworthiness of news and messages on social media.

Betty de Jonge is a household name in our faculty. As the person behind AskBetty, she knew how to answer every question about Office. Starting this month, she has officially retired.

Pericytes, the mural cells of blood microvessels, are important regulators of vascular morphogenesis and function that have been postulated to mechanically control microvascular diameter through as yet unknown mechanisms.

This project focuses on two Mayan languages in contact: Awakateko and K’iche’. With the aim to create a database to be accessible to researchers, students, and indigenous activists interested in Mayan languages, this project will train Mayan speakers on transcription, translation, and analysis of…

The Leiden physics institute LION has bought a painting by the American physicist Gregory Horndeski, who wrote a brilliant article about gravity in 1974. After being ignored for 35 years, Horndeski's paper became a huge hit among cosmologists, unbeknownst to Horndeski himself, who had made a career…

Subproject of

For the first time, a group of international and interdisciplinary researchers led by Karline Janmaat and her former MSc Student Chirag Chittar, have tested the several hypotheses on music simultaneously in a modern foraging society during their daily search for tubers – their staple food. They found…

The genetic material of currently living Europeans is partly of Neandertal origin. Were our ancestors successful because they were hybridising and interacting with the local populations they encountered when migrating into new places? This subject takes centre stage in a beautiful documentary produced…

Promotor: Prof.dr. M. Danhof, Co-promotor: O.E. Della Pasqua

Human skin equivalents (HSEs) can be a valuable tool to study aspects of human skin, including the skin barrier, or to perform chemical or toxicological screenings.

Transplantation of labial salivary glands to the eyelids for patients with dry eye appears to give excellent results clinically.

How are the epidermal lipid pathways involved in health and disease.

Museum Boerhaave amplifies its collection with original letters and pictures from Einstein and Lorentz. Professor by special appointment Dirk van Delft, also director of Boerhaave, accepted the documents on 12 March.

The central question in this book is whether there is a human right to family unification.

In her podcast Tea-Break Time Travel Matilda Siebrecht is joined by fire expert Femke Reidsma, to talk all about how this essential tool was made and used by our ancient human ancestors. How can you recognise an ancient hearth? Why is it so important to study the first use of fire? When was the first…

The research article ‘Neanderthal fire-making technology inferred from microwear analysis’ received 7,053 article views in 2018, placing it as one of the top 100 read Scientific Reports articles in that year.

The research article ‘Selection and Use of Manganese Dioxide by Neanderthals’ received 12421 article views in 2016, placing it as one of the top 100 read Scientific Reports articles in 2016.

Publishing about your research is a key aspect of your career as a researcher; the majority of research publications are written in English. When applying for research funding, too, it is very important to ensure that your application is written in clear, accessible English. Maria Sherwood-Smith, Academic…

Un)timely Crises explores how ‘crisis’—as a narrative, concept, grammar, and experience—structures time and space. This collectively written volume extends Bakhtin’s ‘chronotope’ to challenge mobilizations of crisis within neoliberal governmentality. The book explores how contemporary crises can trigger…

When and how commenced the use of fire by early humans? Armed with stones, peat moss, and fungi, archaeologist Andy Sorensen tries to answer that question. In the February edition of the Dutch language version of National Geographic Magazine his research features in the section The Discovery.

Our alumna Victoria van der Haas was interviewed by The Female Scientist. Read her interview on why she chose Archaeology, her biggest achievements and failures, and what her hopes are for the future.

The high prevalence of pure red cell aplasia in Thailand has been associated with the sharp increase in number of recombinant human erythropoietin (rhEPO) copy products, based on a classical generic regulatory pathway, which have entered the market.

Environmental humility is integral to addressing the climate crisis, but humility can also lead to political domination. How can humans relate to nature more humbly without risking domination?

Tens of thousands of soldiers and civilians have died as a result of Russia’s invasion of Ukraine in February 2022 and the continuing armed conflict. Many forms of critical infrastructure have been destroyed. Much of this devastation has been caused by weapons that utilise forms of artificial intelligence…

Aphroditi Zoulfoukaridis is the manager of LeidenGlobal, a partnership of several faculties at the University and other academic and cultural institutions in Leiden. In her free time, she enjoys visiting cultural events and loves to travel.

British and Australian researchers have analysed the DNA in the dental tartar of several Spanish Neanderthals. One of the conclusions was that the Neanderthals had a mostly vegetarian diet.

Supervisor: Natalia Ortiz Zacarías

Indo-European is the name of the language family to which English belongs, along with many sub-families such as Germanic languages and Romance languages. In this course, you will delve into the structure and origins of these branches, the oldest languages belonging to the language family, linguistic…

Andrew Shield (35) is a University Lecturer at Leiden University and the cofounder of the Leiden Queer History Network. History, migration and sexuality are all subjects he is passionate about and teaches in. He wrote a book about immigrants during the sexual revolution, as well as one on contemporary…

At some point in the deep past the first known dwelling structures were built out of mammoth bones in a country we now know as Ukraine. Archaeologist Wei Chu would have visited the site in summer 2022, were it not for the war. Now he has received funding from SNMAP with the aim to better establish the…

Lecture, Introductory meeting

This is the 2017 paperback release of William Michael Schmidli's The Fate of Freedom Elsewhere, which won the 2013 Foreign Affairs Magazine Best Book of the Year.