Trending topics 3/21

Here are some of today's trending topics for March 21, 2013.

Bobby Brown

Whitney Houston's ex-husband Bobby Brown is serving time. Brown is in a Los Angeles jail for a drunken driving conviction.

The judge sentenced Brown to 55 days behind bars for his second conviction in a year for driving under the influence. He will likely be released in eight or nine days because of good behavior rules and jail overcrowding guidelines.

The 44-year-old entertainer spent time in a "confidential rehabilitation center" last August as part of his plea deal for his arrest in April 2012.

Tiger Woods & Lindsey Vonn

Tiger Woods says he went public with his new relationship to thwart the paparazzi. Woods and Olympic ski champion Lindsey Vonn simultaneously posted messages on their Facebook accounts saying they were dating and included pictures.

Woods says they wanted to devalue any photos of the couple. He says being chased by the paparazzi can be dangerous to his two children.

Woods says posting on Facebook means the paparazzi will not be able to make as much money on whatever photos they get.

Ocean Rocket Engines

Space history, at the bottom of the Atlantic Ocean. Recovery teams have brought up two rocket engines from the Apollo space missions. chief Jeff Bezos led a personal mission to find and recover themhe says the serial numbers are worn off or partially worn off, so it's hard to tell which missions these rockets launched into space.

Vet Leaves Money

A military veteran left a touching surprise for a woman in Massachusetts, based on her car sticker. The sticker on Samantha Ford's car says "Half of my heart is in Afghanistan".

Her boyfriend deployed in September. Last weekend she noticed a something on her car.{} It was a note saying, "I noticed the sticker on the back of your car - take your hero out to dinner when he comes home..thank both of you for serving - him deployed and you for waiting."

Inside the envelope was forty dollars. Samantha posted the story to a military Facebook page and it's received more than a million likes.

She says she doesn't know who left the note, but she plans on paying it forward.