AOL.com Video - Cow Valve Saves the Lives of Heart Surgery Patients

Videos Of The Day

• 
  
  Iowa Marine Gets Surprise Reunion With Old...

  (1:27)

  KCCI

  
• 
  
  Seniors Finally Have Their Prom, 70 Years...

  (1:36)

  Morning Rush
• 
  
  Wife Pours Beer On Husband at Cubs Game

  (1:29)

  Morning Rush
• 
  
  WATCH: TV Staff Take Cover From Tornado

  (0:46)

  Associated Press
• 
  
  Over 20,000 Bees Swarm Family's Home

  (1:46)

  FOX59
• 
  Sharon & Ozzy Osbourne Kiss On the Red Carpe...

  (1:16)

  Hollyscoop
• 
  'Crazy' Ants Invade United States

  (1:22)

  Morning Rush
• 
  Why Are We Ticklish?

  (2:08)

  DNews
• 
  Chris Brown Receives Death Threats

  (1:10)

  SplashNews
• 
  Man Catches Wife Cheating, Other Man Jumps...

  (1:20)

  Morning Rush
• 
  Dogs Now Have Social Networking App 'Where M...

  (1:05)

  Buzz60
• 
  Miley Cyrus Reveals Big Single News At...

  (1:07)

  Stereotude
• 
  Justin Bieber Gets Booed

  (1:36)

  E!
• 
  Denise Richards Opens Up About Raising Brook...

  (1:25)

  Hollyscoop
• 
  Hayden Panettiere Ringless at Billboard Awards

  (0:18)

  E!