Brain Game: Math Square #81

Today's Brain Game offers you Math Square #81. Good luck! The nine white squares inside the main red grid should be filled with the digits 1 through 9.

Morning Cup of Links: Hero Cat, Science Dog

Miss Cellania

Hidden Tunnels, Bugs, and Bigamy: A Strange and True D.C. Story.

The Number of the Day: 25%

Jason English

According to a study by the Governors Highway Safety Association, 25% of U.S.

The First Pup With 4 Prosthetic Paws

Jill Harness

Naki’o might not run quite like the other dogs, but it's a miracle that he can run at all.

The Late Movies: Intimate Performances by Famous Musicians

Allison Lex

Becoming an international music sensation doesn’t mean you are restricted to performing only for crowds of thousands.

Weekend Links: Vintage Vaudeville Ventriloquists

Allison Keene

Huzzah and kudos to the Oxford comma, who lives to see another day (except for those of us who publish under AP Style guidelines).

Last Week's Most Popular Stories

Jason English

In case you weren't obsessively refreshing all week, here's what you

Weekend Links: Happy Odd Day

Allison Keene

From Jan, a Film Creature List paying tribute to the stop-motion magician Ray Harryhausen. (Hint: when you click the pictures they turn into mini-movies and include explanations).

Spies Like Us: Spying without Spies

David K. Israel

The alternatives to HUMINT, or human intelligence, include remote sensors that do the spy's work, but from a distance.

The Late Movies: Space Shuttles

Miss Cellania

With this morning's launch of Atlantis, we are coming to the close of NASA's Space Shuttle Program.

6 Revolutionary Groups That Robbed Their Country's Banks

Erik Sass

© ALI HAIDER/epa/Corbis Back in May, The Washington Post reported that Libyan rebels had obtained funds by “liberating” government assets worth $505 million in the Central Bank of Libya’s Benghazi

Your Favorite Childhood Ice Cream Treats

Jason English

On Fridays, I post a series of unrelated questions meant to spark conversation in the comments. Answer one, answer all, respond to someone else's reply, whatever you want.

The Most Prolific Fathers in History

Jill Harness

Did you know that King Mongkut of Siam, the real-life inspiration for The King & I, sired an amazing 81 children?

Isaac Asimov Interviewed by Bill Moyers

Chris Higgins

In 1988, Bill Moyers interviewed Isaac Asimov, when Asimov's Prelude to Foundation was released.

7 Video Game Controversies Not Involving Grand Theft Auto or Mortal Kombat

Rob Lammle

With the recent Supreme Court ruling that video games are a form of Free Speech protected by the First Amendment, it seems like a good time to look back at some of the controversies that led the natio