The weekend starts with a wide range of activities to enjoy science and the city of Barcelona. The first activity of the day will be the Scientific walk through the Raval and its environment. The starting point is at the Maritime Museum with science historian Miquel Carandell, who will lead the itinerary through the city's most iconic scientific sites for two hours full of surprises. The tour will continue to the Royal Academy of Sciences and Arts of Barcelona, where there will be a colloquium with the scientific journalist Xavier Duran and Mercè Piqueras.

In parallel, the morning at the CCCB Teatre Building will begin with the first of three activities focusing on the world of health. What does the health system need to have a future?, a debate to reflect on the sector's fundamental reforms, will kick off the thematic day. The voices of the nurse Susana Curto Samblàs, the doctor Javier Padilla Bernáldez and the doctor in public health Carme Borrell will provide different points of view on the actions that should be carried out in the sector in the future. This will be followed by an exhaustive analysis of the global health crisis, which will lead to a discussion on global health. Epidemiologist Cristina O'Callaghan, sociologist Joan Benach and ICREA research professor Rachel Lowe will be the participants in Towards global thinking in public health, moderated by environmentalist Margarita Triguero-Mas. Human health is increasingly conditioned by climate change and the steps that will be highlighted during the session will help us to ensure a more liveable future for society.

Following the thread, in the afternoon, virologist and winner of the Hipatia Prize in 2021 Ilaria Capua and journalist Josep Corbella Domenech will present Circular health: a new model for the future, a conference to familiarise oneself with this concept and find out what the health priorities are, while we move forward at a fast pace towards health being established as an essential resource.

One of the many highlights of the Biennial is I CHOIR: a sonic meditation on the limits of the voice, a participatory conference to discover the artistic creations on which composer Maria Arnal and curator and cultural researcher José Luis de Vicente have collaborated together. This performance will offer a new work that will directly challenge the audience.

As the sun begins to set, the activities will be held in the spaces of the former Hospital de la Santa Creu. At the Royal Academy of Medicine of Catalonia, the poet and sound artist Eduard Escoffet will present Utopia and Slavery, a voice-based action, a dissection of today's digital world. A critique of universal consumer dynamics through the reproduction of voices recorded by cassette players. An experience for reflection and self-questioning that will leave no one indifferent.

The evening activity to be held in the Rubió i Lluch Gardens will be Mathematical Games in the street: science to win every time, an encounter to understand mathematics as a fundamental instrument for scientific and technological progress. As well as to understand the way in which it increasingly affects other areas such as games, sport and creativity. The mathematician and populariser Eduardo Sáenz de Cabezón will be in charge of providing the mechanisms for playing with science and challenging the bravest people to face them.

The evening and Saturday are full of surprises. Take advantage and check out the program to discover everything that is happening and will happen at the Biennial during its last days.