1990

Banning plastic bags in San Diego caused serious unintended consequences.

The deadly 2017 hepatitis A outbreak in San Diego is attributed to the lack of plastic bags. Homeless people used the bags to dispose of their own waste. But when the bags became hard to come by, the ...

It is defined in the modern context as: “quality of life derived from the development of a person’s best potentials and their application in the fulfillment of personally expressive, self-concordant goals." (Sheldon, 2002; Waterman, 1990; 2008)

EWB takes into account self...

These days, most experts agree that the Mona Lisa is a portrait of Lisa Gherardini del Giocondo, wife of a Florentine silk merchant named Francesco del Giocondo (hence the name by which she is known in Italy and France, La Gioconda, or La Joconde). 

When she sat for Leonardo da Vinci, in ar...