NPR News

Facebook was created for college students to get in touch with each other. It has helped people stay in touch online so well, that it might be hurting attendance at real-world class reunions.

This means the excruciatingly awkward reunion scenes in movies — where the dorks and princesses get together to prove that either they've become cool or are still cool — don't have to happen in real life.

In a desolate, industrial section of West Oakland, Calif., the first of 20 box trucks arrives before sundown. A couple of cargo trailers are parked on a street that is home to an abandoned cement factory.

When this Lost Horizon Night Market is in full swing, a bunch of sideshows and art environments will comprise what is essentially an open party for adults in a public place. Attorney Michael Burstein is the self-described cat-herder-in-chief for the San Francisco Night Markets.

"A pun is notoriously difficult to define, but it's a type of wordplay, and it takes many different forms," says John Pollack. "The most common type of pun is the humorous use of a word in such a way that because of its sound, you can interpret it in more than one way."

The definition of "pun" might be hard to put a finger on, but ask John Pollack, the 1995 O. Henry Pun-Off World Champion, for an example, and he'll have something like this at his fingertips:

"Knock knock.
"Who's there?
"Isabelle.
"Isabelle who?
"Is a bell necessary on a bicycle?"

Algeria, which shares a border with both Tunisia and Libya, is so far just watching the upheaval across the Arab world. Most Algerians say their country is still too scarred by a decade of violence in the 1990s to endure another uprising.

Nearly every Algerian now calls that a lost decade, but no one feels it more acutely than Algerian women.

On-Air Challenge: You are given a sentence with two blanks. The word that goes in the first blank has an O as its second letter. To complete the sentence, drop the O to get another word that goes in the second blank. For example, given "If I were to hit my thumb with a hammer, of ___ I would ___," the answer would be "course" and "curse."