James Webb life’s building blocks

A circular economy in which all resources are reused is a prerequisite for a sustainable world. As EU president, the Netherlands can give a firm impetus to this economic shift. This is the message of Leiden Professor of Industrial Ecology, Arnold Tukker, in his inaugural lecture on 26 February.

Following the United Nations Day of peace the kick off of World Class The Hague 2019-2020 took place at Museon, The Hague. World Class is a forum for discussion where selected students from various institutions across The Hague are given the opportunity to visit international institutions, engage in…

Using E. coli bacteria to convert a toxic compound in the soil on Mars into oxygen to make life on the planet possible. A team of thirteen Leiden students are taking part in the annual iGEM competition with an entry based on this idea. iGEM is an international competition for students where they use…

Today’s world faces large-scale climate change and other environmental disruptions. Meeting these challenges involves major adjustments to economy and society, with substantial potential for conflict and violence. This dialogue assembled leading authorities on the relationship between climate and peace,…

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…

Leiden Observatory is going to use a new technique to carry out calculations on gravitational lensing measurements. They will do this is the context of research into the formation of elliptical galaxies. Alessandro Sonnenfeld (University of Tokyo) who developed this technique joined the research team…

The book ‘The Best of Times, The Worst of Times: Futures from the Frontiers of Climate Science’ by Paul Behrens has been launched in the US, a year after its original release in Europe. In his book, Behrens describes both hopeful and pessimistic scenarios for our planet.

A team of laboratory astrophysicists from Leiden University managed to make glycerol under conditions comparable to those in dark interstellar clouds. They allowed carbon monoxide ice to react with hydrogen atoms at minus 250 degrees Celsius. The researchers publish their findings in the Astrophysical…

On Thursday 3 March , Prof. Margaret Moore will give the annual Centre for Political Philosophy lecture.

A symposium on space diplomacy for experts and the general public will take place in The Hague on Monday 12 June. Everyone has an interest in learning more about this topic, says Professor Jan Melissen. ‘The scope of international relations has expanded beyond our planet.’

CML Researcher Merlijn van Weerd wins Parker / Gentry Award 2015 for Conservation Biology at Field Museum Chicago in recognition of his commitment to biodiversity conservation in the Philippines

The European Research Council has awarded an Advanced Grant to Prof. dr. Maarten E.R.G.N. Jansen for the research project

Leiden researchers have compiled information collected by scientists over the past 120 years into a database of plant-fungal interactions. This important biological data is now freely available for researchers and nature conservationists. Publication in New Phytologist.

The Leiden Observatory has appointed a new professor. Selena Viti will hold a chair in Molecular Astrophysics. Viti will build a research group that combines different research techniques to unravel the secrets of local and external galaxies. ‘My main ambition is to change the way scientists interpret…

The documentary invites us to consider the question of what we consider valuable knowledge. “We need to realise that doing and thinking are intertwined in ways we did not comprehend before” argues Maikel Kuijpers, archaeologist and the producer of the documentary. “This will have consequences for the…

An international team of astronomers from Leiden Observatory and others, has for the first time mapped a piece of the dark, cosmic web. The research strengthens the hypothesis that the young universe consisted of huge numbers of small groups of newly formed stars. The astronomers publish their findings…

In January 2020, Dr Min Jung Cho and Dr Annie Trevenen-Jones of LUC The Hague applied for the LUF - SVM (Stichting Verpakking en Milieu/ Foundation for Packaging and the Environment) grant. In June 2020 they were awarded a grant amounting to the sum of €75,000.

It is the fifth year in a row that the Faculty of Archaeology is placed in the top ten of archaeological institutes worldwide. The QS World University Rankings by Subject looks at criteria like academic reputation and citation ratios. Dean Jan Kolen is pleased with this news: 'In recent years, the Faculty…

World War II is never over for those who have lived through it. This is the conclusion of Cleveringa Professor Carol Gluck and her students after reading The Assault (De Aanslag) by Harry Mulisch. The book played a central role in Gluck’s honours course.

They are often referred to as ‘The Oscars of the Natural Sciences’: the Breakthrough Prizes in Life Sciences, Fundamental Physics and Mathematics. This year, the prize for physics went to the Event Horizon Telescope team, which took the first-ever picture of a black hole. Four Leiden astronomers were…

How often do you consider the impact of your choices? 10 October is Sustainability Day: a good time to introduce the new bachelor's programme Science for Sustainable Societies.

How do galaxies form? That is what astronomer Mariska Kriek will be researching in the coming years. She received an NWO Vici grant of 1.5 million euros to study galaxies in the early universe. ‘This research uses new and unprecedented observations from the James Webb Space Telescope (JWST). These allow…

More than 100 teachers, educators and policymakers from 25 countries gathered in Leiden from 18 October for the Space Education International Workshop. Their goal is to inspire children using astronomy and space sciences.

In September 2016, the educational programme Universe Awareness (UNAWE) implemented a series of educational activities at Basisschool De Verrekijker, a primary school for refugee children in Katwijk, the Netherlands.

Historian Dario Fazzi is the new professor by special appointment at the Roosevelt Institute for American Studies (RIAS), a strategic partner of the Faculty of Humanities. He starts on 1 September and will combine his new position with his current teaching duties at the Institute for History.

An international team of astronomers has published a map of the sky showing over 25,000 supermassive black holes. The map, to be published in the journal Astronomy & Astrophysics, is the most detailed celestial map in the field of so-called low radio frequencies. The astronomers, including Leiden astronomers,…

An international and interdisciplinary collaborative effort, the Honours Class ‘Sustainability Beyond Frustration: Saving the Planet as an Academic Skill’ aims to present students’ ideas to sustainability experts that know how to bring them to fruition.

In a new piece for The Conversation UK, Michiel van Elk examines whether mystical experiences are essential to psychedelic therapy. 'If the field is to mature, it may need to move beyond the assumption that transcendence is the secret ingredient.'

Connecting scientific fields, enhancing research and teaching, and providing innovative solutions to complex social issues: that is the idea behind interdisciplinary research. What did the university achieve in 2024? A small sample.

Lecture, Pint of Science

KITLV-Jakarta merayakan hari jadinya yang ke 50 tahun. KITLV-Jakarta adalah bagian dari perpustakaan Universitas Leiden. Dalam rangka hari jadi tersebut beberapa kegiatan diselenggarakan. Beikut highlight dari rangkaian perayaan ulang tahun KITLV-Jakarta. KITLV-Jakarta’s 50th Anniversary Seminar: “Indonesian…

Various consortia in which Leiden University is represented are beginning interdisciplinary research, which will bring scientific and societal breakthroughs within reach. Knowledge institutions, government and private parties are working closely together on the projects.

Finally we know for sure that there is a black hole at the centre of our own galaxy. Today, astronomers unveiled the first ever photo of Sagittarius A*, a super-massive object at the centre of the Milky Way. This picture could only be taken thanks to the cooperation of telescopes worldwide.

An extra-long cortège, three honorary doctorates, a quiz about 450 years of university history, a Dies Natalis rap and a call to defend academic freedom: these all featured in Leiden University’s 450th Dies Natalis celebration and the official start of its jubilee year.

PhD defence

Lecture

Many of the challenges of our time are too complex to be resolved within the confines of a single discipline. Leiden University is a broad-based university where an incredible number of research fields converge. That makes us the ideal breeding ground for, and practitioners of, interdisciplinary research…

What will it be like to study at Leiden University in 2075? Ten surprising, artistic uni-visions could be brought to life. It’s up to you to vote for your favourite.

SRON Netherlands Institute for Space Research is moving. In 2021, the Utrecht branch will settle in South-Holland. Pieter Dieleman is group leader at SRON. He tells why the upcoming move is such a good idea: ‘SRON is a connecting factor between Delft and Leiden.’

'Education has always been something I am very interested in,' says the passionate Michiel Hogerheijde. He was already chairman of the astronomy programme committee and has been teaching for many years. Since 1 October, he is also the new Programme Director of the astronomy bachelor. 'I really enjoy…

A Leiden University Day, new agreements on exchanging PhD students and a keynote speech by Geert de Snoo at a popular symposium. In November, a Faculty of Science delegation paid a fruitful visit to eight universities in China.

How big is the universe? How do stars form and evolve? And does life exist elsewhere in the Universe? These main questions in astronomy are the themes of the new exhibition Above & Beyond, which was created in honour of the hundredth anniversary of the International Astronomical Union (IAU). The exhibition…

‘Space Antenna LISA will open an unprecedented window on the Universe,’ says astronomer Elena Maria Rossi. The mission will be the first one to detect Gravitational Waves from space. These can tell us more about the beginning of our Universe and the formation of black holes. With an NWO grant of twelve…

On 5 February 2020, Leiden University College celebrated the graduation of its Class of 2019 ½. Referencing Aladdin’s ‘A Whole New World’, Dean Judi Mesman praised the graduates’ achievement and encouraged them to pursue new horizons on their journey that has just took off.

Henk Hoekstra and Alessandra Silvestri work on the astronomy and theoretical physics in the Euclid mission. These Dutch researchers are part of the mission.