Chasing the Sun

Our biology is set up to work in partnership with the sun. Little wonder then that humans have long worshipped and revered our nearest star: life itself arose on earth because its relationship with the sun was a special one, and that relationship still affects us well into the era of electric lighting, indoor workdays, and vitamin D supplements. What we are losing when we sever this ancient biological tie to the sun by spending more and more time inside during the day and surrounded by scre...