Dogs Feel Jealousy, Raising Questions About Its Evolutionary Origin

Jason G. Goldman io9
Non-human social species -- like dogs -- might also be capable of demonstrating primordial jealousy. The basic structure of jealousy is straightforward: it emerges from a social triangle. When an interloper threatens an existing, important relationship, the outcome can be jealousy.

Why Are Campus Administrators Making So Much Money?

Lawrence S. Wittner History News Network
In 2011, 42 private college and university presidents received more than a million dollars each for their work. In 2012-13, the number of public university presidents receiving at least $1 million for their services more than doubled over the previous year.

Immigrant America: The Worst Job In New York

Milking cows is a dirty, monotonous job, and as we found out in our latest episode of Immigrant America, it's not a job many unemployed Americans are willing to do. But the government doesn't give dairy farms a way to recruit foreign workers legally. We went to upstate New York to try to understand the cat and mouse game between dairy farms and immigration authorities. 

Russell Foster: Why Do We Sleep?

Russell Foster studies the sleep cycles of the brain. What do we know about sleep? Not a lot, it turns out, for something we do one-third of our lives. Foster shares popular theories about sleep, busts some myths and hints at some bold new uses of sleep.

Friday Nite Videos -- July 25, 2014

Portside
Quantum Entanglement: A Poem. Why Do We Sleep? Buffy Sainte-Marie - The Universal Soldier. Meet Jibo, a Social Robot for the Home. Immigrant America: The Worst Job In New York.