to award the nobel prize for physiology or medicine 2009 jointly to -- >> elizabeth blackburn, carol greiderand jack chester all worked in the united states. and they cracked one of the biggest mysteries in size. in order to grow and fill, humans depend on cells dividing and replicating. but how did this work exactly? this is the answer. at the very tips of our chromosomes, there can be teleomeres. they're like shoelaces that keep them from unraveling. without these, we just would not work. the research could have massive implications for all of us. these shoelace and mcgovern the aging process. when they do not function properly, they also can be responsible for the production of cancer cells. research is already underway appeare. >> i was lucky to reach all of them. they were a bit sleepy when they got the call, but they were very happy. >> awaiting them there will be a check for $1.4 million and the right to call themselves nobel laureates. >> please stay with us. bbc world news. taking the law into their own hands, controversy is building over italy's new breed of citizen police. first,

carol greider, at the center of a media blitz today, after learning that she's one of three americans to win a nobel prize in medicine this morning. >> i was ready to go out for my spin class. and i realized i wouldn't be going to spin class. so i e-mailed my buddies and said, sorry, i can't go to spin class because i just won the nobel prize. >> reporter: it has to do with a 1984 discovery of an enscream. it's a proud day for johns hopkins. >> someone like carol, who has been working on this problem for decades and has, at times, been part of a very small group of people who have been thinking about the importance of this line of discovery. this is a very powerful affirmation of curiosity-driven research. >> the number of women doing high-powered research is quite remarkable. and the total number of nobel prizes that have gone to women has been kind of lagging behind. >> when she's not researching, she is raising two children. >> well, she acts really smart. >> reporter: both of them excited for their mom and promising to keep her grounded. >> just felting kind of nervous. but we wer

of the 2009 prize for nobel were anoun and one of them was right from right here in maryland, carol greidermall and a half in cash prize. >>> investigators 40-year-old victor cruz had strangled his girlfriend who had been missing since january 8th. cruz is now facing murder charges >>> another year, another success, ride across maryland. crews raised $200,000 for breast cancer research. the ride, of course, is the brain child of former employee, wjz employee dick geltsman. we are proud to sponsor the ride as part of the wjs' community involvement. >>> and the ravens took on the patriots up in foxboro. they made some big plays and key turnovers and penalties hurt the ravens. the ravens lose 27-21. doctors expect injured player gerald gaithers to be just fine. he was carried off the field. the x-rays were negative. stay with wjz