President Obama bestowed the nation's highest honor for battlefield bravery to the Union officer, who was killed defending a key ridge against Pickett's charge.
After a middle-aged slump, most folks in the U.S. and other wealthy countries report greater happiness. But in less well-off nations, people report a sharp, never-ending decline in satisfaction.
The rate of premature births in the United States has dropped to 11 percent, showing continued progress in preventing the risks of prematurity. But there are big disparities among the states.
College students excel at thinking creatively under pressure. Now they're designing tools to confront the challenges of Ebola, including friendlier-looking protective gear and diagnostic aids.
In a statement, Teresa Romero Ramos said she was suing Madrid's health department for "executing" her dog Excálibur. The dog was not found to have had Ebola.
Activist Gregg Gonsalves issues a call to action in an essay in this week's New England Journal of Medicine: "Panic, Paranoia, and Public Health — The AIDS Epidemic's Lessons for Ebola."
Discovered in Montana in 1988, the Wankel T. Rex is a prize find — a nearly complete skeleton, now bound for display at the Smithsonian, in Washington, D.C. But first, those old bones need some work.
The call for Catalan independence was long led by those who suffered under Spanish dictator Francisco Franco. Younger Catalans are now championing the cause.
GOP Sen. Lisa Murkowski of Alaska is set to head the Energy and Natural Resources Committee. It can be easier for her oil-reliant state to adapt to the changing climate rather than address its causes.