The design is first sketched on paper, and then engraved on stone, in reverse, with a knife.

UNESCO: Culture

"Of course, if the woman is the higher earner, the story works in reverse, " according to a working paper produced last year by Boston College Prof.

WSJ: Ask Encore: Answering Reader Questions on Personal Finance

Tomorrow NFTE releases a white paper that focuses on how to grow the global economy and reverse the troubling youth unemployment crisis.

FORBES: Global Youth Unemployment: 2013 WEF

Gary Thorgaard, director of Washington State University's School of Biological Sciences and a co-author of the paper, says the experiments in his laboratory and others have shown it is possible to reverse the sex of trout embryos through the use of hormones.

CNN: Something's fishy with chinook salmon