26 March 2024, Baden-WŁrttemberg, Stuttgart: Tissue sections of a colon tumor are shown on a slide in a laboratory at the University of Stuttgart. According to the Baden-WŁrttemberg Ministry of Science, the number of animal experiments has been further reduced in recent years, not least thanks to the success of alternative research. The so-called 3R network, which aims to avoid, reduce or improve animal experiments, has played a large part in the reduction Photo: Marijan Murat/dpa

26 March 2024, Baden-WŁrttemberg, Stuttgart: Petra Olschowski (Alliance 90/The Greens), Minister of Science of Baden-WŁrttemberg, looks at tissue sections of a colon tumor on a slide in a laboratory at the University of Stuttgart. According to the Baden-WŁrttemberg Ministry of Science, the number of animal experiments has been further reduced in recent years, not least thanks to the success of alternative research. The so-called 3R network, which aims to avoid, reduce or improve animal experiments, has played a major role in this reduction Photo: Marijan Murat/dpa

26 March 2024, Baden-WŁrttemberg, Stuttgart: Tissue sections of a colon tumor lie on a tissue culture plate in a laboratory at the University of Stuttgart. According to the Baden-WŁrttemberg Ministry of Science, the number of animal experiments has been further reduced in recent years, not least thanks to the success of alternative research. The so-called 3R network, which aims to avoid, reduce or improve animal testing, has played a large part in the reduction Photo: Marijan Murat/dpa

26 March 2024, Baden-WŁrttemberg, Stuttgart: Tissue sections of a colon tumor are shown on a slide in a laboratory at the University of Stuttgart. According to the Baden-WŁrttemberg Ministry of Science, the number of animal experiments has been further reduced in recent years, not least thanks to the success of alternative research. The so-called 3R network, which aims to avoid, reduce or improve animal experiments, has played a large part in the reduction Photo: Marijan Murat/dpa

26 March 2024, Baden-WŁrttemberg, Stuttgart: Petra Olschowski (Alliance 90/The Greens), Minister of Science of Baden-WŁrttemberg, looks at a tissue section of a tumor through a multiphoton microscope during a visit to the University of Stuttgart. According to the Baden-WŁrttemberg Ministry of Science, it has been possible to further reduce the number of animal experiments in recent years, not least thanks to the success of alternative research. The so-called 3R network, which aims to avoid, reduce or improve animal testing, has played a major role in this reduction Photo: Marijan Murat/dpa

26 March 2024, Baden-WŁrttemberg, Stuttgart: Petra Olschowski (Alliance 90/The Greens, r), Minister of Science of Baden-WŁrttemberg, talks to Stella Asmanidou, PhD student in the 3R-US network, during a visit to the University of Stuttgart. According to the Baden-WŁrttemberg Ministry of Science, the number of animal experiments has been further reduced in recent years, not least thanks to the success of alternative research. The so-called 3R network, which aims to avoid, reduce or improve animal experiments, has played a major role in this reduction Photo: Marijan Murat/dpa

26 March 2024, Baden-WŁrttemberg, Stuttgart: Petra Olschowski (BŁndnis 90/Die GrŁnen, r), Minister of Science of Baden-WŁrttemberg, talks to Michael Heymann, a member of the 3R-US network, during a visit to the University of Stuttgart. According to the Baden-WŁrttemberg Ministry of Science, the number of animal experiments has been further reduced in recent years, not least thanks to the success of alternative research. The so-called 3R network, which aims to avoid, reduce or improve animal testing, has played a major role in this reduction Photo: Marijan Murat/dpa