Pop Culture Highlights

A huge pillow fight is pretty much the only way to celebrate International Pillow Fight Day, as this crowd of pillow wielding warriors from Berlin demonstrate.

Maria Jose Cristerna from Guadalajara, Mexico, is probably not a fan of Twilight. She went through extensive body modifications, including dentaly implanted fangs- all to make herself look like a real life vampire.

Artist Tom Sachs designs collection of space clothes with Nike for "Space Program: Mars" exhibition.

By now you've heard some pretty terrible attempts by athletes trying to sing or rap. But these, my friends, are the absolute worst. Deion Sanders' "Must be the Money," Carl Lewis' "Break It" and the LA Rams' "Just Ram It" are all hilariously awful. Patrick Jones has the details.

Hungarian men chase women with buckets of ice cold water, as part of an old Easter tradition.

It plays metal. It's made of metal. It's a heavy metal robot from Berlin.

Actress Marilu Henner discusses her Highly Superior Autobiographical Memory (HSAM). Henner learned she had this talent after being contacted by her friend and "60 Minutes" reporter Lesley Stahl, who was investigating HSAM. The discovery led Henner to pen the book, "Total Memory Makeover: Uncover Your Past, Take Charge of Your Future."

Rosario Dawson recalls her childhood riding the subway in New York City and encourages viewers to support public transportation projects. Dawson is a spokesperson for National Train Day.

An engineer who says his name is Dan has released a super-detailed plan to build a real starship Enterprise like the one from Star Trek. His website buildtheenterprise.org has been crashed for days but it has extraordinary detail about how it could be done with current technology. If we can find $1 trillion to do it.

Back in 2003, The Hunger Games and What to Expect When You're Expecting star Elizabeth Banks was just starting to make a name for herself with brief-but-shining moments opposite Leonardo DiCaprio in Catch Me If You Can and Tobey Maguire in Spider-Man. Video: Expect Laughs from Elizabeth in 'What to Expect' ET caught up with the rising star on the set of Seabiscuit, which found her reuniting with Tobey, and she talked about the joys of riding horses. Watch the video!

MCA Day will take place in Union Square, New York City as a memorial to the Beastie Boys' Adam Yauch, who recently passed away at the age of 47.  It will be a chance for BBoys and BGirls to come together to celebrate the life of a true visionary.  Gillian Pensavalle has more.

Instead of having a drink on New Year's, you can have a massive water fight- as customary in Bangkok. Thousands of revelers of all ages took to the city's streets to soak each other with buckets, balloons and water guns to celebrate Songkran, which marks the beginning of the lunar year in Thailand.