For years, many marine biologists have argued that the floating, open-ocean net pens that produce billions of pounds of salmon per year also generate pollution, disease and parasites.
In some places in western Canada, the open-ocean salmon farming industry has been blamed for the collapse of wild salmon populations in the early 2000s — though other research has challenged that claim.
A relatively high-profile black man came out this week. And with it, a hardy old narrative got another moment in the sun.
When Jason Collins, a journeyman NBA center, announced that he was gay, many commentators who applauded his disclosure still nodded to the idea of heightened opposition to gay rights among black people.
Eritrea's President Isaias Afwerki, shown on a visit to Libya in 2010, has been widely criticized by human rights groups. Eritrean exiles have organized passive protests, calling on people to stay home Friday.
Credit CIA World Factbook
Map of Eritrea
Credit Peter Martell / AFP/Getty Images
Eritrean farmers herd a team of donkeys into the capital Asmara for the main weekly Saturday market in 2007.