. >> reporter: manuel bojorquez, cbs news, crystal river, florida. >>> cities around the world are turning to artificial intelligence to make traffic move more smoothly. and at the same time cut down on pollution. ben tracy reports. >> reporter: so we're at an intersection. we're stopped. >> reporter: most of us hate getting stuck at red lights. >> when i see a red light i'm annoyed. >> reporter: but juliet rothenberg is not like most of us. >> when i look at a red light, i see opportunity. >> reporter: her job with google is to make traffic lights like those at three intersections in seattle more efficient and less annoying. >> shift a few seconds from here to there. and that shift can have a big impact. >> reporter: google's new project greenlight system uses its vast maps database and artificial intelligence to optimize traffic lights around the world. >> are these intersections coordinated already? >> so they're actually not. >> reporter: the system suggests changes and city engineers then decide if they want to implement them. >> we had one case where we moved four seconds from a nort

. >> reporter: manuel bojorquez, cbs news, crystal river, florida. >>> cities around the world are turning to artificial intelligence to make traffic move more smoothly. and at the same time cut down on pollution. ben tracy reports. >> reporter: so we're at an intersection. we're stopped. >> reporter: most of us hate getting stuck at red lights. >> when i see a red light i'm annoyed. >> reporter: but juliet rothenberg is not like most of us. >> when i look at a red light, i see opportunity. >> reporter: her job with google is to make traffic lights like those at three intersections in seattle more efficient and less annoying. >> shift a few seconds from here to there. and that shift can have a big impact. >> reporter: google's new project greenlight system uses its vast maps database and artificial intelligence to optimize traffic lights around the world. >> are these intersections coordinated already? >> so they're actually not. >> reporter: the system suggests changes and city engineers then decide if they want to implement them. >> we have one case where we moved four seconds from a sno

manuel bojorquez, thank you. >>> there's breaking news from new rk city.o this breaking news out of new york city. one person is dead after a shooting during the rush hour commute at an elevated subway station in the bronx. the victim was among six people shot. the others are expected to survive. no suspects are in custody, and there's no word on what prompted this shooting. >>> it was a historic day on wall street. the dow shot up 125 points, closing at a record high just below 38,800. investors are anticipating an update on inflation tomorrow. that's expected to show a drop back below 3%. all three major stock indexes have seen gains for five weeks straight. >>> comedian jon stewart is back for a second term as host of "the daily show." that's next. >>> finally, the long-awaited return of "the daily show" with jon stewart appears tonight on comedy central. the longtime host is back in the anchor chair ahead of the 2024 presidential election. he told "cbs mornings" he wanted a place to unload his thoughts on the current political environment. >> i'm hopin

cbs's manuel bojorquez has the developing details. >> holy [bleep]. >> reporter: just after 3:00 p.m.ivate jet crashed into the southbound lanes of interstate 75 near naples, florida, sending a massive fireball into the air. >> okay, challenger, hot potato 823, lost both engines. emergency, i'm making an emergency landing. >> clear to land runway 2-3. >> we are cleared to land, but we are not going to make the runway. >> reporter: eyewitnesses along the crowded highway captured the aftermath. the plane engulfed in flames. against a highway barrier. emergency crews rushed to the scene, closing the interstate in both directions. hundreds of drivers are now stuck, unable to move. the bombardier challenger 600 was traveling from ohio to naples airport with five people on board. three were able to escape, according to officials. >> bro. >> reporter: the plane was built in 2004 and operated by hop-a-jet worldwide jet charters. no word yet tonight on who was on board. >> yeah, this is extremely rare that an airplane would lose both engines at the same time, and so i think one of the things t

cbs's manuel bojorquez reports why the new rules are not without controversy. >> reporter: miami beachtings and unruly crowds of previous spring breaks in the past. >> it will be difficult to get here into our city. and once you get here, the expectation is you play by the rules. >> reporter: newly elected mayor stephen minor cites two deaths last year. >> it is not just bad for our businesses. it's bad for our residents. ed it it's bad for our tourists. >> reporter: over the month of march last year, there were nearly 500 arrests and more than 100 firearms seizes. this year, the city's new rules include raising some parking prices to $100, adding security checkpoints and bag checks at some beach entrances, and closing liquor stores at 8:00 p.m. >> the thing is it's completely unfair. >> reporter: marcelo avalos says the new rules unfairly target business owners. >> because, okay, you're going to close all the liquor stores. you're going to shut it down earlier. but it's going to be in a way to continue to buy alcohol from other sources. >> reporter: but some residents welcome the chan

manuel bojorquez reports. >> reporter: miami beach is hoping to leave the shootings and unruly crowds here into our city. and once you get here, the expectation is you play by rules. >> reporter: newly elected mayor steven minor sites two deaths last year. >> it's not just bad for our businesses, bad for our residents. it's bad for tourists. i have a job as mayor to keep everyone safe. >> reporter: there were nearly 500 arrests and nearly one hundred firearms seized. this year the city's new rules for the busiest massachusetts weekends include raising some parking prices to $100, adding security and bag checks and closing liquor stores at 8:00 p.m. >> the thing is completely unfair. >> reporter: marcelo avalos of gulf liquor says the new rules unfairly target business owners. >> okay, you're going to close all the liquor stores? you're going to shut it down earlier. but it's going to be in a way until you can continue to buy alcohol from other sources. >> reporter: but some residents welcome the change. >> this is our town. this is our front yard. anything we can do to make crime less

cbs's manuel bojorquez spoke with some frustrated parents. >> reporter: the end of the school day at elementary in weston, near fort lauderdale, comes with the hope of no new measles cases. >> it is very disruptive. it is not really fair. >> reporter: the broward county school district says 33 out of nearly 1100 students are not vaccinated for measles. so far, there are six confirmed cases of the highly contagious infection, which starts with cold-like symptoms 7-14 days after exposure, then a rash. for some, the disease can be deadly. >> i have not seen any outbreak of measles in my 30 years as being an educator. >> reporter: peter licata is the broward county school's superintendent. there has been some questions about allowing unvaccinated students into the school during this time because it is so highly contagious. >> that would be the determination of the health department in the state. >> reporter: but florida surgeon general dr. joseph ladapo is leaving attendance decisions to parents, breaking with established medical guidelines, not recommending the vaccine, nor requiring un

cbs's manuel bojorquez reports why the new rules are not without controversy. >> reporter: miami beachthe shootings... [gunshots] and unruly crowds of previous spring breaks in the past. >> get to our city, and once you get here, the expectation is you pay by our rules. >> newly mayor steven meiner sites two debts last year. >> it is not just bad for our business, it is bad for our residents and tourists. i have a responsibility as mayor to keep everyone safe. >> reporter: over the month of march last year there were nearly 500 arrests and more than 100 firearms seized. this year, the city's new rules for its busiest march weekends include raising some parking prices, adding security checkpoints and bag checks at beach entrances and close in liquor stores 8:00 p.m. >> the thing. >> reporter: marcelo avalos of gulf liquors as they unfairly target businesses. >> all of the liquor served. should have done it earlier. but it is going to be in the way until you continue to buy alcohol for another sources. >> reporter: but some residents welcome the change appeared to be with us as our town

cbs's manuel bojorquez has the heartbreaking details. >> there's a little girl buried under the sand they have not gone to her yet. >> reporter: digging with their bare hands, bystanders rush to try to rescue a little girl, buried after the hole in the sand she was playing in collapse. christina bleckinger was there and tried to help. >> it was horrifying. my husband grabbed a bucket and started helping. the boy, you can see his head and even that took a long time to get out. he was stuck under the sand. you could see him. the girl, we couldn't see. >> reporter: the child, identified as 7-year-old sloan mattingly, was playing with her 9-year-old brother on tuesday at the beach in lauderdale by the sea. her family was visiting from indiana. >> they were just together as a family digging a hole to have fun in. >> reporter: the children were rushed to the hospital where the girl was pronounced dead. >> i do get the sense that this is a kind of thing that literally in a second, it can happen. >> sand, again, is not going to stay in a stable manner at any time. it's constantly moving. rea

cbs's manuel bojorquez reports on the impact just as spring break planning begins. >> reporter: bahamianvisitors feel safe. >> we had over 9 million last year, and the overwhelming majority of those individuals left satisfied, safe. >> reporter: but the u.s. recently issued a travel warning due an 8% increase in homicides, mainly local gang related killings, the latest last week. >> reporter: this is the scene where a murder happened in broad daylight. it's the middle of the afternoon. and it's just across the street from a playground. this is a residential neighborhood, no reason for tourists, i'm told, to come through this area. >> reporter: discounts for a murder number 25. >> reporter: eyewitness news has been covering the crimes. >> that crime situation that is happening in the bahamas local communities, gang related incidents, not crime we are hearing about in tourist hot spots or at the popular resort. >> reporter: last week, two kentucky women say they were drugged and raped by resort employees after their visit to a beach in central grand bahamas. >> it was like a dream vacation

cbs' manuel bojorquez has the heartbreaking details. >> there is a little girl buried under the sand,heir bare hands, bystanders rush to try to rescue a little girl, buried after the hole in the sand she was playing in collapsed. christina blackinger was there and tried to help. >> it was horrifying. my husband grabbed a bucket and started helping. the boy, you can see his head, and even that took a long time to get out. we could see him. the girl you couldn't see. >> reporter: the girl identified as 7-year-old sloane mattingly was playing with her 9-year-old brother tuesday at the beach in lauderdale by the sea. her family was visiting from indiana. >> they were together as a family digging a hole to have fun in. >> reporter: the children were rushed to the hospital where the girl was pronounced dead. >> i do get the sense that this is the kind of thing that literally in a second it can happen. >> sand, again, not going to stay in a stable manner at any time. it's constantly moving. just really just like the ocean is. but when this falls in on you, there is no escaping it. it's very

manuel bojorquez has the story. >> reporter: bahamian officials point to the sheer number of touristshat visitors feel safe after the u.s. state department renewed a level 2 travel advisory for the bahamas. >> we had over 9 million last year. >> wow. >> and the overwhelming majority of those individuals left satisfied, safe. >> reporter: the island country has seen a nearly 8% increase in homicides, mainly local gang-related killings. among the latest last week. this is the scene where a murder happened in broad daylight. it's the middle of the afternoon. it's just across the street from a playground though this is a residential neighborhood. no reason for tourists, i'm told, to come through this area. >> this now accounts for murder number 25. >> reporter: nassau-based channel eyewitness news has been covering the crime. >> that crime situation that is happening in the bahamas, local communities, gang-related incidents, not crime that you're hearing about in tourist hot spots or at the popular resort. >> reporter: two kentucky women say they were drugged and raped by resort employees

manuel bojorquez took a trip to chile to see how scientists there are working to slow the ice melt by> reporter: it started innocently enough. a hike up the mountain with a group of scientists for a rare glimpse at an artificial glacier. as it turns out, the beginner climber it can make for a hellish hike. no trail to follow, just slush. the freezing thin air of nearly 10,000 feet filling your lungs. an hour and a half climb up, they said. try four. all to see this. an almost other worldly looking monolith of ice. so thank you for bringing us up here. i almost died along the way, i think, but i made it. stupa, and it's the creation of sebastian goldstat and his team. you're capturing the water coming down from the glaciers and refreezing it. >> refreezing, without using additional energy. >> reporter: without additional -- just gravity? >> yes, just gravity. >> reporter: a pipe brings the water down slope into what resembles a sprinkler head. as it freezes in the cold air, it forms a tiny glacier, a concept borrowed from la dock, india, where it is used to store water for dry months.