All work teams or individuals aged over 18 years old may participate in the competition regardless of the country of residence.
The contest is organised by the Catalan Association of Science Communication.
Each participant may submit only one illustration.
The subject of the illustration must be related to science or nature and the technique is free.
To see the illustrations from previous editions visit Google Open Gallery.
The author of the winning illustration will receive 600 €.
The author of the work selected by the audience will receive 200 €.