"muchas gracias por sus mensajes y sus buenos deseos para mi siena..."siena" "estoy loca de amor" no sabÍamos el nombre, porque querÍan verle la carita, ganÓ

. >> and i'm siena. here's this week's top story. social networking -- speak to any kid, and they'll tell you it's as much a part of their daily routine as eating dinner. speak to anyone from law enforcement, and they'll tell you that it can be an invitation for trouble. the internet is a two-way window. it allows us to research school projects and keep up with our friends. but social-networking sites also let outsiders into our lives -- outsiders who may try to kidnap, hurt, and even kill kids. and those dangers are very real. there are 665,000 known sex offenders in the u.s. that's more than the entire population of boston. and if that's not scary enough, listen to this. the fbi says 77% of all 14 year olds have been contacted by an internet predator. >> i was on a chat room, and somebody was on my friend's account, and when they talked to me, they claimed that they didn't recognize me, and when i asked who they were, they said that they would want to call me and they asked for my phone number, so i suspected that they were a preda

. >> and i'm siena. here's our top story for this week. it's the number-one killer of teens -- car accidents. in fact, drivers who are under 19 years old are four times more likely to be killed in a car crash than older drivers. >> don't get nervous. we're not going to show you a bunch of drivers-ed videos. instead, we want you to meet tyler presnell. he's from vancouver, washington. we worked with tyler to present his story in a way we think you'll take notice. >> [ rapping ] ♪ hey ♪ when i was a teenager, i was just like y'all ♪ ♪ was a star in soccer, used to run and play ball ♪ ♪ one day, went for a ride with four other friends in the car ♪ ♪ no seat belt where i sat, but wasn't worried 'cause we weren't going far ♪ [ engine revs ] ♪ he started driving crazy ♪ wanted to catch some air ♪ he didn't consider the danger, but with friends along, you would think that he' ♪ he was doing 70 in a 25-mile-an-hour zone ♪ ♪ man, ever since that day, i wish i had just stayed home ♪ ♪ recklessness mixed with rain caused him to hydroplane ♪ [ tires s

. >>> cuÁnta presiÓn siena travÉs del con la nueva producciÓn, luego que eva luna batiÓ rÉcord de audiencia en la compaÑÍa tan increible, es mi Éxito, estar aquÍ, leer tuiters, facebook, los mensajes de la gente, los fans, que esperan una nueva producciÓn. >>> y la gran expectativa blanca, cuÉntame del reto de esta nueva producciÓn, que fue lo mÁs difÍcil, el reto mÁs grande que tuviste que enfrentar hasta el momento, estamos en plena grabaciÓn, hoy me contabas que tenias que ponerte sexy. >>> sÍ. >>> quizÁ un poco, quÉ fue lo mÁs difÍcil hasta el momento? >>> las escenas candentes no fueron muy difÍciles. >>> con os protagonistas. >>> soy muy suertuda, me ponen galanes muy guapos, muy contenta, y tengo muchos caballoso, siempre grabamos con caballos, y son animales, es difÍcil trabajar con animales, de repente se ponen nerviosos, y nosotros tsr, y truqueamos cosas con la cÁmara, es difÍcil, es el reto mÁs grande, me gusta mucho, lo hice en pelÍculas, montar a caballo, y ahora wow!, es difÍcil, tuve que besar a protagonistas en el caballo, mordiendome. >>> la gente no sabe, se ve bien en la

. >> and i'm siena. here's our top story for this week. >> it's no secret that american teens need to get healthier. but that can be a challenge, especially because a lot of us like eating in places where food is fast and cheap. nicole tells us why some fast food can be a fast route to health problems later in life. >> i like cheeseburgers and fries. >> i'd have to say french fries. i like french fries. >> if i could find a really good hamburger... >> my favorite fast food would be onion rings because they're just really delicious. >> it tastes great, and it's pretty affordable. so what's the problem? >> well, there is a problem, but only if we're eating too often in fast-food restaurants, or we're making choices that aren't as healthy for us in a fast-food restaurant. yes, notoriously, fast food can be high in fat, calories, sodium, and missing some other great nutrients. >> colleen thompson and ellen shanley are dieticians -- experts in nutrition, especially when it comes to fast food. they even wrote

. >> i'm siena for "teen kids news." >> are you ready to get face-to-face with a shark? how about a stingray? nicole has some close encounters of the underwater kind. >> the maritime aquarium in norwalk, connecticut, offers visitors a unique experience -- a fascinating, behind-the-scenes tour. cathy hagadorn is the aquarium's education manager. >> what happens behind the scenes is people really get to learn about what it takes to run an aquarium, what it takes to feed the animals, what their needs are, some of the veterinary care that goes on, and kind of really what makes the aquarium special. coming behind the scenes at the maritime aquarium is definitely a treat. >> with thousands of fish and other animals to take care of, you can imagine that food is high up on the list of importance. so our first stop is at a room with what you'd expect at an aquarium -- lots of scales. >> we are in the fish kitchen, and at the fish kitchen, this is where we prepare all of the meals for the animals that live here at the maritime aquarium. >> fish to be used as food is thoroughly ins

siena maintains much of its medieval character. and castle -- was home to st. francis. its massive basilica remains a favorite destination for countless pilgrims today. volterra was an etruscan capital centuries before christ. within its wall, the town's rustic center offers an evocative tuscan charm. and san marino -- all 24 square miles of it -- is unique in that it's still an independent country. while novel today, tiny two-bit dukedoms like this were once the norm. medieval italy -- like most of europe before the rise of modern nation states -- was a collection of independent, little san marino-style city states -- many of them no more than fortified towns on hills.

"muchas gracias por sus mensajes y sus buenos deseos para mi siena..." sabÍamos el nombre, porque querÍan verle la carita, ganÓ ciena, mil bendiciones. >> la mejor desvelada del mundo, besos jimena. te esperamos pronto para conocerla. >> y tiene que prestarle atenciÓn ahora tambiÉn a su primera hija porque despuÉs vienen los celos. >> hablando de eso antes cuando estaba con su barriga me preguntaba cÓmo hice para hacer la transiciÓn del nuevo bebÉ y estoy segura que ya estÁ lista. >> pero si el 31 de diciembre estuvo, le dimos una corneta y al final del programa. >> ha llegado informaciÓn que confirma lo que nosotros siempre decimos, los hombres manejan peor. el director de justicia cÍvica de la ciudad de mÉxico recordÓ que en 2011 se registraron 12.299 choques en el distrito federal, choques menores, el 82% protagonizado por hombres. y solamente el 18% por mujeres. >> dos cosas. primero ese estudio lo hicieron las mujeres, se nota. y en segundo lugar bien dijo el filÓsofo venezolano raÚl gonzÁlez, mujer al volante peligro constante. >> quÉ pena... >> cÓ