The St. Louis Cardinals credited this squirrel with their World Series win. This rodent is a totem for a year filled with statistical improbability.

The St. Louis Cardinals credited this squirrel with their World Series win. This rodent is a totem for a year filled with statistical improbability.

Black Swans of 2011

Rally Squirrel
Rally Squirrel

The St. Louis Cardinals credited this squirrel with their World Series win. This rodent is a totem for a year filled with statistical improbability.

Weather
Weather

Record October snowfall in the Northeast.

Chance Encounter
Chance Encounter

Long-lost siblings meet in London through dating website.

Graceful Exit
Graceful Exit

Zambia presidential elections: Defeated incumbent Rupiah Banda relinquishes seat graciously.

Upset
Upset

Tennis: 25th-ranked Kei Nishikori defeats first-ranked Novak Djokovic.

Best Seller
Best Seller

Heaven Is for Real was the New York Times's No. 1 best-selling paperback for 48 weeks.

Unbelievable
Unbelievable

Fox shoots hunter in Belarus.

On Top
On Top

Newt Gingrich rises to GOP front-runner status.

More Weather
More Weather

A hurricane rips through the Northeast and ­ravages  … ­Vermont?

Not Dead Yet
Not Dead Yet

Fidel Castro is still alive.

No Talking
No Talking

A silent film, The Artist, leads awards season for the first time since 1929.

Surprise Verdict
Surprise Verdict

Casey Anthony is acquitted of killing her two-year-old daughter, despite mountains of evidence.

Crazy Cruise
Crazy Cruise

Tom Cruise, 49, pulls his craziest stunt yet.

Lives to Tell About It
Lives to Tell About It

A Buenos Aires woman plummets 23 stories—and lives.

Choke of the Season
Choke of the Season

The Boston Red Sox fail to make the playoffs despite being in first place on Sept. 3 (Blew a 99.6% chance of playing in the post-season).

The 1% Win
The 1% Win

Hedge fund managers win the $254 million Powerball jackpot (1 in 195,249,054 odds).

Europe Crisis
Europe Crisis

Europe once again marches to German orders.