A book with a fake printer, a pamphlet with a treaty that does not exist and an execution print with a supportive crowd: just some examples of forgeries from the early modern Dutch Republic. They are exposed by LUC-historian Jacqueline Hylkema.

A unique multicenter study, including about 3,500 youth between 10 and 25 years old from across the globe, shows that artificial intelligence - specifically machine learning - is able to identify individuals with anxiety disorders based on their unique brain structure.

To cover up their deportation plans which targeted Polish Jews in the Warsaw Ghetto, the Nazis re-opened schools. In her inaugural lecture, historian Sarah Cramsey demonstrates with examples how care was used ‘as a weapon’ during the Holocaust. She also stresses that care is a unifying cement in society and calls for more historical research.

In 2021, Thijs Bosker and Paul Behrens — both Associate Professors in Environmental Sciences — received funding from the Leiden University Fund and the Gratama Foundation to develop tangible and practical exercises that help people to deal with environmental issues from a local perspective. Now, two years later, they've created a free online course and have reached over 1,000 students by incorporating their materials into existing courses. They tell us about the results so far and what's coming next.