The UNESCO Avicenna Prize for Ethics in Science is awarded every two years to individuals and groups with outstanding achievements in the field of ethics in science. Its purpose is to highlight the importance of ethics in science, to develop a reflection on the issue and to bring it to the attention of scientists and the general public. The Prize rewards the following activities: - high-quality reflection and research on ethical issues raised by recent scientific and technological advances; - policy advice on ethical issues in research and development to better design and implement science ethics policies; - activities aimed at developing educational practices and training about the ethical dimensions of science; - outstanding contributions to foster science communication, public awareness. and debate on the ethics of science and technology.