Tensions have been increasing between the United States and Russia, and things unraveled even more over the weekend. Russia named 18 Americans who will be barred from entering Russia because of an alleged involvement in human rights violations. Here's NPR's Corey Flintoff.
Most research on memory loss in the elderly focuses on dementia, Alzheimer's disease or other brain diseases.
But neuroscientist Emily Rogalski from Northwestern University's Feinberg School of Medicine knew there is great variation in how good memory is in older people. Most have memory loss to varying degrees, but some have strong memories, even well into old age.
As a kid in Chicago, director William Friedkin liked to frighten little girls with scary stories. When he grew up, he scared the rest of us with a little girl — Regan MacNeil, who is possessed by the devil in his horror classic The Exorcist.
And in The French Connection, he put knots in our stomachs with one of the great movie chases in American cinema.
The intersection of Crenshaw Boulevard and 28th Street looks like a lot of intersections in Los Angeles: There's a Taco Bell on one corner and a strip mall with a liquor store and a Liberty Tax Service office on the other. And out in front, as traffic speeds by, 27-year-old Robert Oliver is hard at work — dancing.
"So, chest movements like this, this is called bucking," he says. His chest bounces to the beat. His Bluetooth headphones are on. And his feet glide across the hot sidewalk like he's on ice. "I come up in here and I go down, and that's called a kill-off."