Political candidates have long been exposed to public scrutiny, but in recent election cycles, media attention has focused on their spouses as well. Questions of motivation, political affiliation and “shared sensibilities” often arise. This public scrutiny, moreover, prompts larger questions about political affinity within relationships in general.

July 2016 was the hottest month on Earth since people began keeping records, according to the National Oceanic and Atmospheric Administration (NOAA). It beat a record set in July 2015. Land temperatures were 1.8°F above average. July 2016 was also the 379th consecutive month with temperatures above the 20th century average.

The issue: Since the Occupy Wall Street movement took over New York’s Zuccotti Park in 2011, income inequality has become a major political issue in the United States. Less often discussed is the role labor unions play in protecting workers’ wages.

Human activity has negatively affected animal populations on land for tens of thousands of years, with numerous instances where unsustainable hunting practices or deliberate, widespread acts of eradication have led to what scientists call “defaunation” — the human-caused global extinction of a species.