28:16
What is Justice?: What is Justice?
From the day they are born, people's chances in life differ. Some inherit money, social status, and good health; others are given far less. Justice, for some, is about redistributing the benefits and burdens, and providing an equality of opportunity...
03:51
Its in the Water: Salinity, Density, and Temperature
Obtaining accurate salinity measurements is vitally important because salt, along with temperature, has a significant impact on the density of seawater. And this, in turn, greatly affects ocean structure and circulation.
03:48
Waves of Change: Technology and Social Change
Twentieth century sociologist Gerhard Lenski said that one way to understand social change is to look at the basic subsistence technology of a society. With that information, much can be deduced about stratification, gender relations, and politica...