In Memoriam: TV's Mr. Wizard, Two Reality Stars

Don Herbert, who on the 1950s TV show Watch Mr. Wizard taught young viewers the joys of science, died Tuesday after a battle with bone cancer. He was 89.... Real World: San Diego's Frankie Abernathy died Saturday at age 25. No cause of death has been determined, though Abernathy had been fighting cystic fibrosis.... Hell's Kitchen Season 2 contender Rachel Brown, 41, was found dead in her Bedford, Texas, home on May 9, says the Pegasus News. The death is under investigation.