Working in a laboratory is different from working in an office. Some of the rules that apply when working in or around a laboratory are given below.

PhD

In the late 19th century, the Dutch government introduced a tax system in the Dutch East Indies, with the intention of transforming the colony into a modern state. PhD student Maarten Manse wrote his thesis on this development and discovered how grandiloquent colonial ideals became bogged down in daily…

With her background in Cultural Anthropology and Development Sociology, Leonie Siepmans brings a unique perspective to the corporate world. Find out what an anthropologist does in a big company.

Arnold Tukker has been appointed as distinguished visiting professor at Nanjing University in the field of industrial ecology.

A controversial video in which PowNed asks Taylor Swift fans how far they would go for a meet-and-greet with the singer violates portrait rights according to Jeroen ten Voorde in Dutch newspaper ‘NRC’.

In 2021, Assistant Professor Tax Law Rens Pieterse published a biography about former professor in tax law H.J. Hofstra. Dutch magazine ‘Het Register’ did an extensive spread on Pieterse, his writing and other activities.

The waiting lists in youth care are alarmingly long. This has been confirmed again by a study carried out by a Dutch foundation The Forgotten Child.

A report by interest group Tax Justice Network shows that the Netherlands is still one of the most attractive countries for companies when it comes to tax: we hold a dubious fourth position on a list of seventy coutries. In Dutch magazine Vrij Nederland Jan Vleggeert, Professor of Tax Law, explains…

The nine suspects from Hilversum accused of beating Carlo Heuvelman so badly on the night of 14 July last year that he later died will hear their sentences on Friday. The Public Prosecution Service (OM) had demanded that one of the suspects be sentenced to 10 years in prison, and two others eight ye…

Ukrainian refugees are being allowed to work in the Netherlands straight away. So Why do other refugees sometimes have to wait years before they can work?

It appears from a study conducted by Independer and Q&A Research that at least one in five Dutch people think you can be refused basic health insurance if you have health problems.

The Netherlands remains one of the most important locations when it comes to tax evasion. According to Tax Justice Network only the British Virgin Islands, the Cayman Islands and Bermuda play a greater role.

Months after the case of the abused foster child from Vlaardingen (Zuid-Holland) came to light, many questions still remain. Why was the child not listened to? Marielle Bruning, Professor of Child Law, discussed this with NOS, NPO Radio 1, NRC and Nieuwsuur.

The Dutch Ministry of Infrastructure and Water Management is refusing to release documents on the safety of Schiphol Airport, despite a court ruling that they must be made public. The case has been running for four years and was brought by current affairs programme EenVandaag.

In many European countries, the amount of a fine is based on the level of your income. This already exists in Finland, Sweden, Germany, France, and Spain. The Dutch Lower House is now contemplating the introduction of such a system.

More and more countries have decided to introduce compulsory vaccination. According to various experts, compulsory vaccination, under certain conditions, could help the situation in the Netherlands.

At the request of outgoing minister Stef Blok, the Province of Groningen wrote a letter to support the minister in his rejection of two amendments by the Dutch House of Representatives.

A particular group of counter protesters have been sighted at numerous Black Lives Matter protests that were held in the United States. An extreme right movement known for its characteristic Hawaii Shirts and heavy weaponry that calls itself the Boogaloo Boys. Which is cause for concern among the American…

Tirza Cramwinckel, Assistant Professor in tax law, has won one of the 2023 Research Prizes awarded by the Praemium Erasmianum Foundation.

A data processing register is a record of which personal data you process and who you share this data with. If you collect personal data for your research, you must record this in the data processing register.

Starting a partnership and signing an exchange agreement is just the first step in facilitating student and staff mobility. Staff and student exchange at Leiden University is administered by international coordinators at faculty and central level.

Leiden University gives its students the opportunity to assemble part of their programme themselves, which enables them to choose their own areas of emphasis. One way in which they can do this is to follow a minor, a coherent package of courses worth 30 credits.

Personal development

An exam file contains all relevant information about an exam or assignment and must be kept according to legal guidelines. This page provides the procedures for archiving exam files and the responsibilities of the examiner.

If you notice something you think may be unethical or illegal, you can discuss this in confidence with the confidential counsellor.

Leiden University has a wide range of buildings for teaching, research, and meeting. Here you will find practical information regarding access, layout, and usage of these locations, as well as answers to questions such as: How do I reserve a meeting room? Where can I report a defect? And what are the…

Leiden University offers various facilities to ensure your daily activities on campus run as smoothly as possible. Here you will find practical information about amenities in and around the buildings, as well as answers to questions such as: Where can I park and how do I apply for a subscription? How…

Leiden University offers researchers extensive facilities and support at every stage of their academic career. Here you will find more information on funding, policy, and publishing, as well as answers to questions such as: How do I arrange a PhD track? Which research grants are available? And what…

The University aims to be bilingual, and provides its information in Dutch and English wherever possible. This has consequences for the information provided on the University websites.

Knowledge security requires that we carefully weigh opportunities against risks. The Knowledge Security Advice Desk was set up to support this process.

As a PhD candidate, you are strongly advised to discuss your budget for travel and other research-related costs with your supervisor and the institute management at the start of your research in order to be able to plan your work well and to avoid unpleasant surprises. Please note that all travel must…

Leiden University guides PhD candidates step by step from the start to the defence. You will find more information here about admission, the PhD track, and completion, as well as answers to questions such as: what conditions must I meet? What requirements must my dissertation meet? And what is involved…

The first FSW policy and SOPs for research subject to the WMO (Wet medisch-wetenschappelijk onderzoek met mensen) are currently in development.

Leiden researchers work together with other researchers from across the world. The University has developed a regional policy focused on three specific regions with which we maintain intensive contact through a number of faculties: China, Indonesia and Latin America and the Caribbean.

As a new employee of Leiden University, you automatically receive a ULCN account that gives you direct access to your workplace, Wi-Fi, and various ICT systems. Here you will find all information about activating and securing this account, as well as answers to questions such as: How do I reset my password?…

Leiden Law School has developed a new course for the Royal Netherlands Marechaussee, bringing together scientific research and professional practice. The course starts on 5 February 2026 at the Centre for Professional Learning in The Hague.

From 26 to 28 May, second-year students of the Advanced MSc International Relations and Diplomacy (MIRD) participated in the programme's annual visit to Geneva, Switzerland.

Information provided by the Tax and Customs Administration is something that concerns every citizen. So it is not surprising that the Tax hotline receives around 10 million calls each year. The Benefits Affair emphasised the citizen’s perspective in communications with the Tax and Customs Administration.…