Through the lens of art, Lighten Up! On Biology and Time explores the connection of living organisms with the natural cycle of light and dark. From fungi to ferns, from hamsters to humans, all have evolved circadian rhythms that connect them to the alternation of day and night. In our screen-based society, there is an increasing urgency to raise awareness of reconnecting to the outdoor environment. Nineteen installations transform our daily, lunar and seasonal rhythms into light- and soundscapes, immersive spaces or virtual experiences to remind us the necessity of regular light exposure for a healthy life.