Discovered in a remote Ottoman town in 1884, the Madaba Map is both a masterpiece of Byzantine design and a working map of Jerusalem and the sixth-century Middle East. A detail of the Madaba Map ...

The answer probably has to do with maximizing light absorption in the blue and below-blue color range during the long, dark winter twilight. Humans perceive light from blue wavelengths of about ...

Christy Bieber has a JD from UCLA School of Law and began her career as a college instructor and textbook author. She has been writing full time for over a decade with a focus on making financial ...