robert ray al jazeera, atlanta. >> fighters in qatar feel they have made a breakthrough towards finding a cure for obesity. it all has something to do with something called brown fat. >> reporter: this is painstakingly delicate work. these scientists have been cultivating, dividing, and sequencing fat cells for years. but now they say they've made a breakthrough which could change the way obesity is treated. >> the dream is to--without changing the lifestyle of kids or adults, just to give them a pill that will enhance the brown fat and naturally they are protected against obesity. >> reporter: having more of the so-called brown fat actually makes you skinny. and with obesity at epidemic proportions, everyone wants to find a way to transform the white bad fat sells that we all have into the brown kind which burn energy all the time. this is called an incubator. this is where--this is where the cells culture. >> these researchers have got both kinds of fat cells. >> the good wouldn't one is this one. >> and have proven contrary to what the medical world thought one can change into the ot

robert ray al jazeera louisiana. >> it's earth day and it's celebrated around the world. an italian astronaut tweeted this image of earth from outer space. i'm randall pinkston. thank you for joining us on al jazeera america. >> you welcome to the al jazeera news hour. saudi arabia fires against houthi rebels just hours after announcing the end of the air campaign. >>> and 113,000 people have now fled fighting from the iraqi city of ramadi. >>> i was underwater for five minutes thinking, god god god. >> also this hour we hear from one of the survivors of the

robert ray, al jazeera, tallahassee, florida. >>> former secretary of state hillary clinton is reportedlyreparing for a major announcement this weekend that she will run for president. al jazeera has not confirmed the date and time but reports say the anoungsment will come via social media on sunday. clinton would be the first democrat to throw a hat in the ring for 2016. >> reporter: this might not look like iowa but this winery recently hosted a democratic fund raiser. presidential candidates and hopefuls from both parties are criss crossing the hawk eye state, hoping to build momentum. >> since we're the first one it gives them the opportunity to come here first and start their grass root effort and that makes us fairly important to the process. >> reporter: here in iowa among democrats there is much talk about hillary clinton. when will she declare? and how seriously will she make iowa in back in 2008, clinton seemed to take iowa for granted and finished a distant third to barack obama. >> reporter: there are a couple of democratic hopefuls out there besides hilary. the woman from mas

robert ray, al jazeera, tallahassee, florida. >>> in texas one judge is doing all he can to help youngeople from getting into legal trouble. his program is teaching responsibility and respect to some of the most at risk. heidi zhou castro has the story. >> reporter: the numbers are troubling. one in three black boys born in america is at risk of imprisonment during his lifetime. and for latino boys it's one in six. minority men end up behind bars in far greater numbers than their share of the population. but here in dallas there is a program trying to turn that trend. it's a specialty court designed to help minority boys and teens clean their record through a program that keeps them out of jail. >> you would really hope that what we're doing is the same thing a good parent would do. >> reporter: tonight we'll hear more about one boy's journey from setting off fireworks inside his school to be charged with terroristic bombing, to then being given a second chance. >>> there are actually 60,000 young people under the age of 21 behind bars here in the u.s. new mexico has developed a progra

robert ray al jazeera, louisiana. >> and still ahead on al jazeera america, the navajo nation has choseor its next election, but the election came with a lot of controversy. >>> and inmates who are learning to build website without access to the internet. >> the navajo nation has elected its new president. russell begaye will take office next month but the election was not without controversy and plenty of it. >> reporter: the navajo nation is starkly beautiful and steeped in tradition and history but questions were brought on by an election and a presidential candidate named chris deschene. >> i voted for chris deschene. i don't know what happened, but they got him off the ballot. >> rising navajo political star chris deschene was disqualified. why? because he was not fluent in navajo. >> language is important. it identifies who we are. where we come from. >> the navajo language mandate not only up ended the electoral process but divides its citizen abouts what it means to be navajo. >> anyone who is wanting to be president and vice president needs to take time to learn the language. >

robert ray, al jazeera, tallahassee, florida. >>> a suspected gunman is in critical condition after policee shot and killed a guard in suburban washington, d.c. police say it began when the man kidnapped his wife leading to a car chase and gunfire. >>> researchers are calling promising the first human trial of a new type of hiv therapy. researchers say using powerful antibodies could reduce the amount of hiv in the blood by up to 300 times. the therapy would replace or supplement current hiv drugs. >>> coming up on al jazeera america, an automated warfare, the human concerns over robots that kill. >> unpredictable... uncontrollable... and under eighteen >> you have kids here who've killed someone. >> award winning journalist soledad o'brien takes us inside the violent world of kids behind bars... will a new experimental program be their last chance? >> i have to do my 100% best so i don't end up in a place like this again.. >> al jazeera america presents... kids behind bars: a soledad o'brien special report only on al jazeera america >> protestors are gathering... >> there's an air of tens

robert ray, al jazeera, charlotte, north carolina. >> loretta lynch is confirmed as the next attorney general as the united states. they approved the nomination by a 56-43 vote. ten republicans voted for lynch. she's the first african-american woman to hold the position. president obama is glad to have her on board. >> she'll do a great job helps our communities, keeping them safe but also making sure our citizens are protected by equal justice under the law. she's got credibility with law enforcement but has credibility with the communities. >> the president nominated lynch to replace eric holder in november. she's expected to be intorn in on monday. >>> the family of michael brown, the black teenager shot and killed by a white policeman, sued the city of ferguson missouri today. the case sparked an emotional national debate about the deaths of black men at the hands of police officers. diane esther brook has more on the lawsuit. >> wearing sweatshirts wearing their son's image, michael brown's parent stood with their attorney on thursday demanding accountability for their son's deat

robert ray al jazeera, atlanta. >> the world's migration bird population is dying at an alarming ratethe problem the cities' shining buildings. we speak to activist who is are trying to make a difference. >> very public, not pleasant at all but a powerful way to show how many song birds are die approximating. volunteers for "flap" layout a grizzly display of bodies found at the foot of sky sky scrapers. >> everywhere they turn they're faced with threat. and everywhere they turn they can encounter a window. hour goal is to impress possible the public, here's is the problem and this is something that you can do to resolve the problem. >> many say popular species have declined by 60% 70%, 80% in the past decade. buildings and glass are a major cause, and scientists warn that the cause of so much loss will be far more than simply silent skies with no birdsong. >> people describe birds as the most vivid expression of life. but it's important for environment. birds do tremendous work for us. they eat insects that you can't even imagine the numbers. yeah to lose them, we lose a little bit of

robert ray, al jazeera, tallahassee, florida >>> now to an extraordinary new documentary out of syria that takes us inside the besieged city of holmes. antonio moore is here with the story you'll see in the next hour. >> the return to homes is a film that provides a look inside syria most of us have never seen. it follows two young men from their days as arab spring revolutionaries to when their hopes go away and they pick up arms against president assad. the director says he wants people to know what's happening inside syria. he will join us in our next hour and tell us how he chose the people he followed. >> all right. thank you. still ahead, remembering an unmistakable voice. >> maya just had a gift. she could not even take credit for it. you don't speak for five and a half years and you become one of the greatest orators in the world, clearly it's a gift. >> my conversation with tavis smiley and his relationship with may i can't angloa anglo -- actngelouangelou. angelou. >>> maya angelou touched the hearts of people around the world. tavis smiley shares the details of their relati

robert ray, al jazeera. >> that issue is now headed to court. you can watch robert's full report tonight at 7:00 p.m. eastern. >> we're taking another look this morning at impact of the deep water horizon disaster on the gulf coast. it has been five years since 11 workers were killed and 5 million-barrels of crude were spilled. the disaster cost b.p. billions. the company is waiting to hear how much it will be find by the federal government. >> shorelines stained in oil are no longer common in gulf coast communities and the once pervasive tar like odor has passed. what lingers five years after the worst oil spill in u.s. history are decisions and debate about b.p.'s financial liability, just how much should the company pay for polluting the water and other damage to the environment. since 2010, b.p. has spent more than $14 billion on response and cleanup, surveying and removing sludge along hundreds of miles in the gulf. regular cleaning operations ended last year. the company also paid $13 billion in claims and settlements for the thousands of

robert ray, al jazeera tallahassee, florida. >> there are 60,000 young people under the age of 21 behind bars here in the united states and the statistics show they are predominantly young black and hispanic men. new mexico developed a program to reform these offenders to make sure they don't end up back behind bars. journalist soledad o'brien got a look inside. >> inside these walls teenage thieves and arsonists gang bangers, drug abusers even kids who kill. >> my anger was pretty bad. >> this once notorious juvenile lockup is trying something new. >> what does playing the piano do for you. >> it's therapy and a hobby an interest. >> education counseling, offering a second chance. >> put gas on his car. >> set it on fire. >> it blew up. >> yeah. >> he used to be an incredibly aggressive young man. >> to as you can sealed at the j. paul taylor center, they'll have to control their rage. >> honestly, i think this place has just made me a better criminal. >> inside new mexico's juvenile system where the fight for redemption begins. soledad, hi! soledad o'brien is with us this morning, she