All Things Considered

Finally, there's some good news about Alzheimer's disease.

It turns out that a few lucky people carry a genetic mutation that greatly reduces their risk of getting the disease, an Icelandic team reports in the journal Nature.

The mutation also seems to protect people who don't have Alzheimer's disease from the cognitive decline that typically occurs with age.

Eleven-year-old Woosuk Kim sees his mother only three or four times a year. That's because he's part of what Koreans call a "goose family": a family that migrates in search of English-language schooling.

A goose family, Woosuk explains, means "parents — mom and dad — have to be separate for the kids' education."

Woosuk's father brought him and his little brother to America two years ago to attend Hancock Park Elementary, a public school in Los Angeles. The boys' mother stayed in South Korea to keep working.

It all started around a kitchen table in Custer, South Dakota. John Lauer, a 27-year-old seasonal firefighter for an elite U.S.