Artificial intelligence is the science and engineering of making intelligent machines, especially intelligent computer programs. It is related to the similar task of using computers to understand human intelligence, but AI does not have to confine...

Women were banned by royal decree from using hotel swimming pools in Jidda, Saudi Arabia, in 1979. The oldest recorded death sentence is contained in the Amherst papyri, dating to 1500 B.C., which listed Egyptian state trials. A teenaged male,...

The women of Iceland earn two-thirds of their nation's university degrees. More than half of Indonesia's primary school teachers are under 30years of age . Teachers in China are highly respected. They hardly ever leave the profession and are...

The constant is called "?" because "?" is the first letter of the Greek words ?????????? (periphery) and ?????????? (perimeter), probably referring to its use in the formula to find the circumference, or perimeter, of a circle. In 1737, Euler used...