Pharaoh cuttlefish they can show a mottled white and brown color, with a center circle of brown. The mechanism for color is the same in the Pharaoh cuttlefish as it is in other cuttlefish. This colour-changing function is produced by groups of red, yellow, brown, and black pigmented chromatophores above a layer of reflective blue and green tinted iridophores and leucophores, with up to 200 of these specialized pigment cells per square millimeter. These sacs of color are controlled by rings of muscle around the sac. The cuttlefish expands and contracts these muscle rings in order to show different colors. It is
Of the Blue Colour of the Sky Of the Blue Colour of the Sky Of the Blue Colour of the Sky is the third studio album by American rock band OK Go. It was released on January 12, 2010 on Capitol Records in the USA and EMI in the UK, and re-released on the band's independent label Paracadute Records on April 1. The album was produced by Dave Fridmann and was recorded in a span of seven months at Fridmann's Tarbox Road Studios in Cassadaga, New York. The album's name, lyrics, and concept are based on "The Influence of the Blue Ray of the Sunlight and of