North Korea

Many South Koreans have never heard of it, but a library in Seoul holds a vast collection of North Korean curiosities — textbooks, videos, fiction, even ginseng soap. Much of it can't be checked out.

North Korean defectors star on talk shows, dating shows and compete in campy challenges. They're giving South Koreans an unprecedented glimpse of the North's experience. But it's not the full picture.

State media reported that the isolated nation has detained a student from the University of Virginia for "committing anti-republic activities."

As the world refocuses its attention on North Korea after the rogue nation's fourth nuclear test, in neighboring South Korea, day-to-day life has barely been affected.

South Korea made the announcement after Pyongyang claimed it tested a hydrogen bomb.

North Korea says it detonated a powerful hydrogen bomb on Wednesday. But the White House says it doesn't believe the claim.