Natural blues

Light is a key driver for synchronizing our internal, circadian rhythms to the external light and dark cycle. In my last blog post, you learned about how our eyes not only enable us to see the world (through the cones and the rods), but that they also signal whether...

Light – not just for sight

Light enables sight. The retina in the back of our eyes contains a fine layer of light-sensitive photoreceptors. There are two types of photoreceptors. The cones allow us to see the color, movement, and fine details of the world around us. The rods, on the other hand,...