>> sharks like affection. >> "techknow". where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. the nepalese government works to stop the spread of disease as the death toll continues to climb. i am richelle carey in doha, also ahead off the program. the the battle for aden intensifies. workers mark the world mayday with protests and demands for better pay. ending a bang, nasa's messenger space probe completes its mission as it crashes in to

mercury. more than 6,250 people have died from a devastating earthquake that struck nearly a week ago now in nepal. almost 14,000 people have been injured. many bodies are still being recovered from the rubble. search and rescue teams are using their hands as well as machinery to clear debris. and now the threat of disease. in the capital kathmandu, more than 20,000 people are living in 21 relocation camps. the conditions are poor. with no clean water not enough toilets. the u.n. says there is a growing number of diarrhea cases in the quake-hit areas. health workers are trying to prevents an outbreak of disease. mohamed is in kathmandu. >> reporter: one of the main concerns that we are hearing about today not just from health officials but also government officials is the fear of the spread of disease. and so the government made it a priority do whatever they can to

stop the pred of any potential diseases that's why we are seeing here today the chinese aid truck spraying disinning fen to want and workers throwing out disinfectants powder over the rubble. it's believed that there could potentially be dozens of bodies that they will find event eventually under this rubble. it's a very grim scene. one of the other reasons that this water cannon that the chinese aid workers brought out to spray liquid was to try to stop the smell. sadly there is still very obviously the step were of death in the air. it is a very sad scene and all the residents that we have spoken to here today -- spoken with here today told thousands they believe that they will see more bodies pulled out of the rubble in the days to come. rod rico is the head of emergency response at the world health on. he explained what's needed right now. there are five functional

hospitals that need urgent support. so this is in several areas. they need support. this is a result of the assessment and this will drive the response, we are finding support for the five hospitals to be able to get the medicines we need. in fax, we have anticipated that and we have say shipment that has come to these hospitals. basically things still needed shelter, water food, and sanitation, we are working together with partners to have surprise for without on water and sanitation. we are also preparing ourselves for possible diarrheal disease that's something that is inevitable whether -- without an earthquake but also something that we can prepare for to prevent a big epidemic of

diarrheal diseases. >> there are also thousands of people stranded in remote communities still waiting for help. andre simmonds travel to a village. >> reporter: the mountain roads would normally take to you one of the most scenic places on earth. now the journey shows you misery despair and for some of those who survived, this is what remains of their lives this, small village hasn't one home left standing. people are in a forlorn state no one is here to help them. officials say around 1600 people have died in this region. unofficial estimates put the figure at i don't understand 5,000. two more deaths are recorded here after a search that has lasted three days. the bodies of a woman and her baby lying together are recovered. deeper in to the regis the needs get even greater.

some aid is getting through but it's a drip speed. agents say the area is being neglected. >> the need is huge. initially there was a lack of commutation, if you see the date for the first three days the number of dead was around 200 to 220. but day three the number of deaths from the area rose up to 650. >> reporter: this is the town where there is no power anywhere no sanitation, and very few tents. it is a town that is devastated and the humanitarian needs are colossal. the few search and rescue workers who reached this place say it's dangerous to be in the town itself. because the buildings that are intact are unsafe. this man lost his wife in the quake he's left trying to make due in the school attempting to look after his baby son and little girl who has an eye injury that needs more

attention. >> the government has not provided relief in such an extreme situation. it's rain, it's wet the. [ inaudible ] and we are having to take shelter in the school. >> reporter: the weather is making things worse. normally this would be the dry season but there is heavy rain. aside from washing out already overcrowded shelters, it causes landslides more fear for the people with aftershocks making the landslides more frequent. they want to know when the suffering will end. no one has an answer. andrew simmonds, al jazerra nepal. in yep the southern city of aden has seen some of the fiercest fighting since the conflict began are began. fighters loyal to exiled president hadi are battling houthi rebel to his try to regain control of the port city. in further north three saudi soldiered were held.

saudi arabia maintains the border is secure but is ending ending reinforcements for the area. reaching the border yemen takes a tough ride up these mountains in southwestern saudi arabia. this hilltop is overlooking the main strong hold of sauna in yemen. saudis senior monitoring the area 24 hours a day. it's a military zone and any movement on the other side gets a spur i had *euted spirited response. sporadic fighting happens almost on a daily basis along hundreds of kilometers from here to the east. the rudies were able to occasion to kill sued i soldiers by sniper fire or mortal shells. the saudi army says it has destroyed several houthi vehicles that were transporting fighters and weapons towards the boarder. >> we deal with them from a distance we make sure to shot them before they get close and before they can shoot. we rely on information we collect through various means including goggles and other

types of surveillance. >> reporter: some of that information is provide by these tribes men houthi rebels across the border shell areas like these from time to time. so these men come here to prevent such attacks. yemen is right behind these mountains. and these men who were born here and who lived here all their life. they tell us that they are the best to fight in the area. and they are ready to help the government. >> translator: the armed forces of our country are doing their job perfectly well. but as citizens we have a certain obligation, we don't know if we will be asked to help but if asked we need to be ready. >> reporter: during a brief war between saudi arabia and the houthis in, 2009, houthi fighters attacked saudi border villages and killed many soldiers. the residents were moved from dozens of no ville i thinks to safe irrelevant areas, they are trying to prevent a repeat those events. off the red sea coast the saudi

coast guard has increased its patrols. >> translator: the type of danger we are monitoring has changed previously it was smugglers and infiltrators now we are looking for fighters in possession of sophisticated weapons and possibly ready to launch attacks. >> reporter: sauce saudi arabia says it controls the waters, air space and land borders of yemen and yet the risk of the war spilling over in to saudi territory is still high. which, accord to this military here were on readiness and continuous vigilance. mohamed vall, al jazerra, on the saudi border with yemen. >> saudi arabia's supreme economic council has agreed to restructure the state oil company aramco separating it from the oil ship city this comes days after a reshuffle of the kingdom's government it's the world's largest energy company. and generates over bun billion

dollars$1 billion aday in revenue. why now? what do you make of the timing of this decision? >> it's very crucial. the generational shift that we saw two days ago basically we have two relatively young crown prince and deputy crown prince taking over decision and transformation in saudi arabia is going to be swift. and sometimes dramatic. particularly now when it comes to the reshuffle of the aramco. it is the biggest company in the world. >> so they don't really have to care ma people think do they? >> basically. in the past i remember going to saudi arabia and students saying the system is aging and it has do change because the world is changing now i think they are saying to the world we are heeding those calls and we are

changing. aramco will be led by none but the deputy crown prince and the chairman of the supreme economic council. so by the end of the day, he was appoint towards days ago he made the decision today he wants to tell the saudis and the international community we are definitely going to see a transformation in the near future. >> so this is not just a business transformation this could be -- could this mean rather other transform aces for the country as well? >> very much so. aramco is the biggest company in the world. it has the largest proven crude oil resevens it operates the biggest on shore and offshore fields in the world. >> reporter: it has operation that his span the world in terms of chemical, exploration and refine think it is the only company in the world that has the ability to stabilize world market. last year when we had problems in libya and iraq they pumped more oil in the world to

stabilize the market. in fact, when prices dropped to 50 something last year, the iranians hit back saying that the saudis are using this tactic of bringing prices low to undermine our economies. so it's a formidably financial and political weapon that the saudis have. and they are saying to the world you have to be careful because we are changing. >> all right. remains to be seen what the other ramifications and ripple effect of this are. thank you very much. >> thank you. rebel fighters in syria have made gains in idlib province bringing them closer to the government strong homed the government retaliated with barrel bombs on district filled with civilians. a new alliance of rebel groups including the al qaeda-linked al-nusra front gained ground in the province. the u.s. navy will start he is courting commercial ships

through the parisian gulf. the u.s. says vessels will be accompanied to insure that they do not encounter interference from iran. the new policy is being implemented in response to what the white house calls provocative iranian behavior. earlier this week iranian navel vessels fired warning shots near a cargo ship and have detained it and the crew. coming up on the program the nigerian army releases images of women they claim to have freed from boko haram. plus the united states warns burundi's government not to let the situation spin out of corollas the protests continue in the capital. to be strong. >> i can't get bent down because my family's lookin' at me. >> to rise, to fight and to not give up. >> you're gonna go to school so you don't have to go war. >> hard earned pride. hard earned respect. hard earned future.

>> we can not afford for one of us to lose a job. we're just a family that's trying to make it. >> a real look at the american dream. "hard earned". premiers sunday, 10:00 eastern. only on al jazeera america.

>> next on al jazeera america. technology, it's a vital part of who we are. >> they had some dynamic fire behavior. >> and what we do. >> don't try this at home. >> techknow. where technology meets humanity. coming up next. only on al jazeera america.

welcome back. a reminder of the top stories on al jazerra right now. doctors in nepal far outbreaks of disease in camps for the homeless after last week's earth quake. the number of confirmed dead is more than 6,250. and almost 14,000 injured. aden has seen some of the fiercest fighting since the conflict began fighters loyal to exiled president hadi are trying to regain control of the city from houthi rebels. saudi arabia says dozens of houthi fighters have been killed. saudi arabia is restructuring the state oil company aramco that will include separating it from the oil ministry. aramco is the world's largest energy company the decision comes days after a major reshuffle of the kingdom's government. mayday rally in hong kong,

international worker's day saw demonstrators demands better working conditions similar rallies held in indonesia cambodia philippines south south korea where workers are demanding better wages and better living conditions, more from seoul,. >> reporter: the union organizations behind the events are protesting against what they see as an an attempt boot the government to further deregulate the labor market. in particular they are opposed to attempts for companies to a make it easier for dismiss workers and double the lengths of time they can object a fixed contract before they get protections of being a staff member and changes to the public sector pension system. and they say they want to see a near doubling of the minimum wage to nearly $10 an hour by the end of year. now, this is far from the first big mass protest we were seen in recent weeks, there was a general strike on april 24th of a series of protests linked to the first anniversary of the

ferry disaster and the government's handling of that. as with those events there is a big police presence on the streets today 15,000 officers we are told. police in the u.s. city of baltimore have completed their investigation in to the death of freddie gray. the blackhawk who suffered a fatal spinal injury while in their custody. it could be weeks though, before the findings are made public. protesters in baltimore have been demanding police reveal the details now. the report has been handed over to the chief prosecutor who will decide whether to charge the six officers involved. and more demonstrations against police brutality have been held around the u.s., hundreds marched in philadelphia in solidarity with the protesters in baltimore police confronted frosters for block the entrance to a major highway. rights groups say police in burundi have reacted abuse i feel. sits sens took to the street when the president made a

controversial announcement to run for a third term in office. matt may come rec reports from the capital of burundi. >> reporter: he says he was among a crowd of protesters when police opened fire. he was lucky a bullet just grazed his leg. and he seems unshaken. >> translator: the police are trying to intimidate us. they want to us stay off the streets. and they do not want us to express our views. >> reporter: he's one of several people receiving treatment for gunshot wounds at this hospital. the protest say the president should not run for a third term in june's elect. his supporters say he's entitled to. police frequently fire tear gas some protesters block roads and throw stones back at the police. there have been small groups of soldiers out on the streets since monday. people here in burundi trust the army and see it as neutral and

not taking political sides. some of the protesters say when the soldiers are presents, the police don't use live rounds. dozensdozens have been arresterred and detained. rights groups say the government is trying to silence anyone who objects to the third term. the ministers of public security and defense held a press conference and read a statement. but we couldn't ask them about the people who have been shot or detained because they didn't allow any questions. >> translator: the organizers said that those demonstrations would be peaceful but it's clear that they only organized violent protests in blocking roads throwing stones at the police, shooting and throwing grenades. >> reporter: then they showed us the a gun some money and a man with a bloodied beaten face, they said he was an armed protesters who they caught. away from the protests in the city center one grenade was thrown in to an empty bus we

don't know who by. the police said we should film it. more wounded protesters arrive at the hospital. but the injuries don't seem to have deterred the demonstrators. the people living here hope the political stand off can be resolved without more violence. malcolm webb, al jazerra. the nigerian army has released pictures of a group of women and girls it says were rescued there the boko haram strong hold. they say 293 people were freed from the forest on wednesday. the army also says it's now freed another group of captives more than 160 women and girls here say report. >> reporter: nigeria's military say these are some of the 293 293 women and children rescued they were held in severe and inhuman conditions the military says. they are trying to work out the identities of the women and children, where they come from and how they were kid the thatted. many are hoping that some of those rescued are the chibok

school girls they were abducted by boko haram in april last year. 219 of still missing. the military say they can't confirm whether some of the rescued are from which chibok. >> hope is not lost. we will search everywhere possible. not just in that forest, everywhere is being searched with the though locating both our chibok girls and every hostage that is in the captivity of terrorists. >> reporter: but people who have been campaigning for the rescue of the chibok school girls and other women and children, held by boko haram are demanding that the military announce the identities of those who have been freed. >> how many more people are still miss something we never had a record from the military that says that at so so point in time so so number of people were abducted so so number of girls, so so number of well, so so number of men or boys were

abducted. >> reporter: on thursday the military announced the rescue of another 160 women and children and are promising to release their identities too. they say ongoing operations against boko haram are going well and they pictures to free more people who may have been held captive by boko haram in the forest in the next few days. >> it al jazerra lot of ground has been covered. you know, we have seen them run out of their enclaves and some of their enclaves have been over run and it fits in the plan and gives us encouragement fat planned of working out. >> reporter: it's not possible to independently verify what the military are saying about the rescues because restrictions have building placed on humanitarian organizations and the media in accesses the areas where these rescues are taking place. but many people are hoping the military's claims are accurate. al jazerra abuja nigeria. the united arum emirates has

destroyed over 10-tons of ivory. the stockpiled had been ceased over the last three years the uae is a key transit hub for the illegal trade. much of it end up in asia where it's used for traditional medicines among other things. 1212 armed ethnic groups in myanmar are meet to go discuss a draft ceasefire deal they reached with the government in march. the ethnic groups often disagree with each other as well as the government. at florence looi reports for one day this clear they put aside their differences. >> reporter: the people have been fighting the government for decades. more than 60 years of strive make this the longest running conflict in myanmar. more than 100,000 people have been displaced. many living at refugees in neighboring thailand. there is little economic investment here because of the inninginstability, leaving the population poor and roads and facilitiesfacilities in shambles. a ceasefire agreement between the government and the rebels was signs in 2012.

but there is still sporadic fighting. and peace is made evening more complicated because the ethnic group is split in to several armed and unarmed factions. but for one day this year, they were able to forget about the violence. >> translator: everybody wants peace but i don't really know if it's for real or not. i don't know when we'll have the chance to play football with the other ethnic groups again. >> reporter: the peace council together with hand shakes for peace, a nongovernmental organization arranged a friendly game between two warring sides. the star power was provided by former international footballers who held drills for the players. not only to pass along tips, but as a way of bringing the two sides together. the myanmar army pulled out at the last minute. but the government's border guard forces are there. >> translator: for us, it is good. because we don't shoot each other like we did in the past.

>> reporter: for the slim i thinkers too the match was an he joanableananenjoyable event. >> compared to weapons footballs are much better. >> reporter: but turn out was lower than expected because of reports of fighting nearby. away from the pitch and the frontlines the difficult work of negotiating a peace deal goes on. the government and 16 armed ethnic groups recently agreed in principle to the text of the draft ceasefire agreement. but that number does not include all armed rebel groups and a final deal still has to be reached before political dialogue can fake place meanwhile clashes still go on in some parts of myanmar florence looi, al jazerra. breaking news to bring you rights now. an earth quake magnitude 7.1 has struck off the coast of papa new guinea. this comes a day after a 6.7 quake was reported. there was a tsunami barney

initially issued but that has since been lifted by the pacific tsunami warning center. there are no immediate reports of danger -- of damages rather or casualties, we'll keep you posted. u.s. senator bernie sanders has announced that he will be running in the 2016 presidential election, he is the only socialist in the senate and is allied with the democrats he's the second to jump not democratic race challenging former secretary of state hillary clinton sanders has a long record of speaking out against income inequality and the influence of corporate money in politics. nasa's mess jeff space craft has spent the past four years monitoring mercury. the smallest plan net our solar system. the mission now is over, though, its journey came to an end when the messenger craft crashed in to the planet. our science editor reports. >> reporter: it's only slightly bigger than the moon. and it's the closest planet to the sun. but until nasa's messenger space craft arrived in mercury's orbit

in 2011, little was known about the planet. since then, messenger's seven scientific instruments have been feeding back vol all assumes volumes of data. >> it's similar to the earth but much bigger and it is now almost sure that there is a liquid core also there surrounding this core in her couey which is producing a magnet i have field similar that of the earth. >> reporter: messenger revealed mercury's moon-like surf nas unprecedented detail. scarred by the collisions of astroids and meteorites. it recorded surface temperatures fluctuating between minus 170 and plus 420 degrees celsius and it mapped ancient lava flows and discovered ice at the planet's poles, covered by a layer of dark mysterious matter. >> the team has put forward the hypothesis that this dark material is in fact organic. material delivered to mercury by the same object that his brought

the water probably from the out ore solar system not only of water ice but on what were once on our planet some of the building blocks of organic chemistry and life. >> reporter: now the craft's fuel has ran out and nasa says it's powerless to stop gravity dragging messenger towards the planets. it adds another small crate tore its already pitted surface. >> all the explorations of the planets in the solar system are giving us an idea of how the solar system was formed and how our planet came to be so it's placing us in time and space within the universe and within the confinement of the solar system, very important to nose these things. >> reporter: this image publics hours before messenger's demise is one of many the research team it says will release in the weeks and months address. the next mission to her cure by european and japanese teams is not expect today arrive until 2024 until then, scientists will

be working through the huge volume of data from messenger. hoping to add even more detail to our knowledge of the planet. tariq, al jazerra. those are remarkable pictures there think be sure to check out our website aljazerra.com. keep it mere. this is "tech know," a show about innovations that can change lives. wildfire. >> we are going to explore the intersection of humanity and doing it in an unique way. this is a show about science by scientists. tonight "tech know" journeys into the jungle, this is one of the iconic animals of costa-rica with post cards of this thing. a beautiful and fragile place on