hello, you're watching al jazeera live from doha. john kerry arrives in israel as top documents struggle to find a common ground to end the fighting in gaza. a diplomatic scramble as israel continues a bombing campaign in the strip killing more than 600 palestinians. and the bodies of some of the victims of the malaysia airlines clash in ukraine to begin the journey in the netherlands.

the u.s. secretary of state john kerry says progress is being made in negotiating a ceasefire in gaza. he was in cairo along with the u.n. chief, ban ki-moon, and they hope an egyptian proposal for a truce will be accepted by both sides in the conflict. while this conflict prompted an emergency, the united nations meeting in geneva. the human rights chief navie peela is there. tell us what was said at this meeting of the human rights council, and the message from navi pilae. >> reporter: yes, a strong messing from navi pilae saying that humanitarian law may have been violated in a manner that could amount to war crimes. that's her assessment of a situation after a number of incidents in the area.

he urged all actors in the area to abide by international law and make sure civilians are not targeted. let's listen to a broader picture about the situation in gaza at the moment. >> the current conflict and destruction comes at a time when gaza is still recovering from repeated escalations of hostilities with israel. the cipling effect of the israeli boycott linked to the israeli occupation of gaza suppress the ability of the people to go about their daily lives and prevent them from rebuilding their lives and communicate yes after repeated -- communities after repeated matters. i appeal for the blockade to be lifted one and for all. the latest assault has the further damage to gaza's water and sanitation facilities, fuel and

medicine are in critical short supply, and electricity is reduced to a few hours a day, affecting ordinary households, as well as compromising the ability of hospitals to treat the many injured, and to care for the most vulnerable people. >> we heard from the israeli envoy to geneva, and the palestinian foreign minister. >> yes, that's right. this meeting was called as an emergency meeting by the palestinians, because they wanted on urgent inquiry into what is going on in gaza. they wanted to dispatch an international commission to check international law. we heard strong language from the palestinian foreign minister, saying that children and women are some of the main casualties in the conflict, spelling out his position that

this blockade must be ended and the general situation in gaza must be resolved so we don't have the violent incidents that flare up intermittently. we heard from the israelis, who are critical of the body, because they see it as bias against israel. for 20 months, i think it was, they decided to boycott the institution. what we heard from the israeli side was, in their view, that hamas has been committing war crimes by firing rockets indiscriminately from gaza to israeli territory, and they urged the council not to adopt the resolution and throw it out, because it was one-sided. >> they are seeking an inquiry into what is going on in gaza. if that happens, how much weight will it have? >> well, that's, indeed, the question. inquiries in the past have reported, and then according to navi pilae, the problem is

accountability. in some case, as she mentioned one example, four israeli soldiers had been convicted after the previous incursions into gaza in 2008/2009. and she said that that culture of impunity was part of the problem in the area. one of the things that the israelis say is that any kind of inquiry that is launched here, i imagine they'd try to block the cope of it, and in the past they didn't cooperate with the gold sten report, the big inquiry, in 2008/2009. that report in itself was controversial. there was an inquiry, findings were disputed at the end with gold sten saying originally that israel had blshtly targeted civilians and he retracted it. there was a huge controversy after that inquiry. any further inquiry may be mired in the same problems.

they can send observers in, but it depends on the parties cooperating with an investigation. >> thank you very much for the moment. al jazeera's lauren taylor reporting from geneva. let's get the view of ian black, the "guardian" middle east editor. good to have you with us. what do you make of what has been said in geneva, the strong language from navi pilae, who said what is occurring amounted to war crime. do you think that will make a difference? >> i think navi pilae is doing heron, as the crisis goes on and on in the third week with a rising toll of civilian casualties, almost from the palestinian side. she's reminding people that international law is not negotiation ail. there are standards and others that have to be held too.

i don't think it will make a difference at all for the moment. i think that priority now, the urges si now -- urgency now, as john kerry is doing, is secure a ceasefire to stop the blood shed. the significance. rule of international law and suggestions, allegations of war crimes comes later in the politics of the aftermath of this latest episode. as i say, navy pilae is doing her job. international law has to be repected. >> if john kerry and the others secure a ceasefire, will it change anything on the ground in gaza. will it end israeli occupation of the palestinian territory i? >> well, there is, of course, the fundamental question. everything is focussed on the urgency of the crisis. but what matters beyond stopping the bloodshed is some process - something that gives hope of

movement towards addressing the underlying nature of the conflict. both sides portrayed in terms of defending their own interest. the israeli representative in geneva talked about a state defending its citizens. hamas, for the palestinians, it's about ending the blockade. those are the - those are the fundamental issues that are going to have to be addressed. that's more difficult. the question is whether at the end of this round something will emerge that will create a forward movement. i think there is one change in the background, which could give hope for the future, which is that there had been significant movement towards palestinian unity. hamas, from a position of political weakness accepted some time ago that it would have to work with the main stream mahmoud abbas's-led palestinian authority. if a ceasefire can be agreed,

and political movement can resume on the basis of palestinian unity, that will change the calculations that governments and the united states will make. the counter merch si is -- emergency is to end a ceasefire. there has to be a move to address the fundamental matter, a lack of solution or the hopelessness of an idea to the solution of the israeli-palestinian conflict. >> thank you for your thoughts. ian black, middle east editor for "the guardian" newspaper. joining us from london. 648 palestinian yaps have been killed in -- palestinians have been killed this gaza. most of the dead are civilians. ize rail says the aim is to stop rocket fire. live to nicole johnson, who is

at the main hospital in the kahn younis area, where there was heavy fighting and battles last night. set the scene for us. what is happening around you? >> that's right. there was a heavy battle going on in the area east of here. it was a few kilometres from here. this is the hospital where the injured are turning up, as well as the bod yes. the fighting is in the eastern part of gaza. when you look at what has happened over the last four or five days, it started in the north, moved to the eastern flank and seems to be moving south. we are in the central part of gaza. we are hearing about an area called perform -- pozar. ambulances have not been able to get to it. they got to the outskirts, they pulled some bodies. there could be a lot of

casualties in that particular area. for now the ambulances are not going deep inside there. just to explain what kind of area we are talking about, it's not a dense residential city area like shajaiya. this is agricultural farm land. there are tens of thousands of people living there, but it's not like shajaiya. having said that we are seeing a lot of injured people and bodies, as the day goes on. the death poll from the south-east will start to rise. >> what is happening in other areas of gaza today? is it a bit more quieter than it was yesterday and the previous days? >> it depends. one minute it can be quiet. then you hear shelling. there is a battle in shajaiya between palestinian factions and israeli army battles in the

north. the other information is about the electricity situation in gaza. i was speaking to the spokesperson of the power station, and he was saying that they are now 100% without power. up until this point they had been operating at some limited capacity, but overnight the power station was struck by selling. the main equipment was knocked out. they are hoping to get coordination at some point with the israeli authorities and the red cross to get in there to find out what they can do to help the situation. at the moment the main power decision is not providing any trist aat all to the gaza strip. >> nicole johnson reporting live from gaza. we have extensive coverage of the offensive in gaza on the website. we have a live block, opinion pieces and analysis.

all at aljazeera.com. more ahead including a month ago today three al jazeera journalists were sentenced to gaol and we had the latest on the campaign. beating the summer blues - how the children of china is taking opera, keeping a cultural tradition alive. stay with us. stuart! stuart!

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>> how do you explain it to yourself? and you'll get... the inside story ray suarez hosts inside story weekdays at 5 eastern only on al jazeera america welcome back. a reminder of the top story on al jazeera. u.s. secretary of state john kerry says progress is being made in negotiating a ceasefire in gaza. he has arrived in israel where

his meeting with government ministers. john kerry hopes an egyptian proposal for a truce will be accepted by both sides in the conflict. the u.n. human rights chief has criticised israel and hamas. navi pilae said israel may be guilty of war crimes. 648 palestinians have been killed in gaza since the israeli offensive began. most of the dead are civilians. 29 israeli soldiers and two civilians died. there has been demonstrations in the occupied west bank, where one person was killed in bethlehem. pro-palestinian protesters threw rocks and petrol becomes at the israeli soldiers. troops used tear gas, stun grenades and rubber bullets. >> a major international airlines suspended flight to and from israel because of concerns about the injury, on tuesday a

rocket in gaza landed less than 2km from the airport. passengers evacuated to a bomb shelter. u.s. agencies recommended that the airline beavoided. mark is a foreign affairs analyst and said the map on flights into israel put the government on the back foot. >> this is a major strategic defeat for his rail and a major strategic victory for hamas. thing. symbolism. no one will claim that israel is under siege like gaza is under siege or israeli civilians are dying at the rate of palestinians. israel is cut off from the outside world in the way that gaza is. this is a deep shock to the israeli leadership. we saw that today. there's almost a sense of panic, i sense, in the israeli government demanding that the airlines fly in.

it's not going happen. these not lethal rockets accomplished a major strategic advance for the islamic resistance movement. >> in other world news ukraine will impose sanctions on russian individuals' links to separatists in the east. a committee was set up to put forward a list of names in the next 10 days. some of the bodies recovered from the downed malaysia airlines plane was headed to the netherlands. a ceremony was held. u.s. intelligence officials believe nicholas mevoli -- mh17 was shot down by mistake. scott what was the scope like at the airport. >> it was about 19 minutes ago that the victims left ukraine,

on a c130 aircraft. there was a brief ceremony, the honour guard carried four cough jips into the back of that -- coffins into the back of that aircraft. representatives from australia spoke consist deputy president in ukraine. there's 24 bodies on the grouped. that's a c 17 australian aircraft on the tarmac in ukraine. that will leave over the coming - the reason they left separately, the first aircraft is slower, they'll arrive in the netherlands at the same time. there'll be a ceremony, a memorial there for the victims of nh 17. across town at a factory facility there's dozens more bodies that need to be processed before they do this, come to the airport and be flown out, there it will be a month long process of identifying the remains in the bodies. >> what is the latest on the

investigation at the crash site? >> there are more international investigators at the crash site now. there's nighting in the area. the separatist leadership says they'll protect those there to comb through the wreckage, to find the clues and find what happened to them in the last minutes of mh17. the flight data recorders arrived in the u.k. for analysis. that was agreed to by all parties. they have arrived. that will go through the process. they'll go through the process, analysing every bit of data on the rorers to see what happened -- recorders to see what happened in the last minutes of flight. >> scott heidler reporting from kharkiv in eastern ukraine. the parliament held a minute's silence to honour those. the incident was called inhuge

in, uncivilized and violent. the session was attended by the russian ambassador to malaysia. 42 malaysians were on board. the rival to the president will challenge the results. jakarta governor was declared the winner. we have more. >> president yuly owno congratulated the newly elected president. it is not over. the rival's he has withdrawn as a candidate and will not challenge the result. today they said they'll go to the constitutional court to challenge the lcksz results. they have found irregularities and cases of fraud at 50,000

polling stations, and they want the irregularities to be vetted. we have not been able to see any of the evidence. constitutional law experts say that the chance that it will change the outcomes is slim. if proven, it will be significant enough to change the outcome of 8 million votes, the difference between the two candidates. if the constitutional court accepts the case they'll have to come to a verdict at the end of how long. until then it is asked they don't congratulate the winner it's a month ding peter greste, mohamed fadel fahmy and baher mohamed were convicted of spreading false news and given gaol sentences by an egyptian court. al jazeera says the accusations are ridiculous and politically motivated. >> reporter: it has been a month

since this moment. a lifetime for the three journalists behind egyptian bars. peter greste, mohamed fadel fahmy and baher mohamed, al jazeera employees, all kncted of reporting false news and aiding the banned muslim brotherhood. a judgment interpreted by journalists around the world as being politically motivated. this is a case receiving attention across the globe. the latest programme to highlight the cause "the daily show", the u.s., interviewing sue turton. >> we were specking the prosecution to come up with amazing evidence. we were confused about. it never happened. we were still found guilty. i have been sentenced to 10 years in gaol in absentia. the guys have between 7 and 10 years in gaol. they'll appeal, but we are looking at the same judicial system that put them there. >> last week, 200 days after the

men were arrested. staff from different countries and channels held a process. from c.n.n. to the bbc, from sky news to i.t.n. and al jazeera, competing networks came together to put pressure on the egyptian government to free aj staff. relatives of the convicted men say they are holding up and it's the support of friends and colleagues that are keeping them going. >> all over the globe, it's what they are living on, and i am asking the media to continue its pressure, because this is what is keeping them alive at the end of the day. >> reporter: as for al jazeera's position, that is unchanged. since day one it described the arrests of its employees as unjust. it says they were falsely accused and convicted tore doing their jobs. and 7 months since the day they

were arrested, it demands their release. >> the double suicide bombing killed four soldiers at an army base in libya, in the eastern city of benghazi, security officials say the first attacker blew him up at the brans to the benghazi headquarters, the second at the base and killed the troops. an accused bombing in the iraqi capital baghdad killed at least 26 people. the car bomb exploded at a police checkpoint in a shia area, north of baghdad. in my opinion of those killed were police officers. 52 others were injured in the attack. >> iraq's parliament attempts to form a new government. it is split over whether nouri al-maliki should remain prime minister. iraq's political divisions widened since sunni rebels ore ransom major cities. a military offensive is under

way to try to drive them out. fallica rebels demand that the central african republic (divided into a -- be divided into a muslim north and christian south. they said it's time to finalise the splits. the talks were to start political and muslim violence between the rebels and militias. in china, parts of a northern city have been sealed off after a man died of bubonic plague. the man was infected by a rodent. 30,000 residents have not been allowed to leave. 150 people came into contact with the victim, they have been quarantined. none showed signs of infection. in venezuela, the army is assisting in the eviction of thousands of squatters in the

capital caracas. they have been living in a half built skyscraper known as the tower of david. the building's inhabitant ordered new apartments, south of caracas. >> the british government has announced a public in choiry into the death of alexander lit van yengo, a former spy poisoned with plutonium. last year the government rejected an inquiry over fears with russia could deteriorate. his family believes he was working for mi6 and russia ordered his killing. more than two years after the crews liner "costa concordia" capsized off the italian coast, it is mogg again. it is -- moving again. it is boping towed -- being towed from givingly owe island. 32 were killed when the ship ran

aground. it's a problem faced by parents over the world - how to keep the children entertained during summer holidays. in beijing parents found a way to provide entertainment with tradition. >> reporter: their friends may be off on summer camp or at home. these children are beating the blues with a facial rug of pecking opera. the fires requirement is patience. >> they have to do this to your eyes. the first time the make-up was a shock. >> translation: it takes more than an hour for the make-up. it's a long time. >> now, 12 years old, lynn has been going through the same elaborate ritual for the past six years, first introduced by his mother. >> my daughter was a bit shy.

i thought it would be good to learn something to extend herself. >> make-up and costumes in this room. high kicks in the studio. while the boys are in the next room hitting the high notes. >> whether pushed by the parents or self-motivated it requires dedication, up to a year of solid practice to get the right standard ready to perform. >> reporter: the children are rehearsing for a performance on tv. in an internet age of distractions this 200-year-old tradition has been struggling to engage a younger generation. it has prompted recent government moves to reverse that, and the school is seeing a resurgents. >> when we started a year ago, they had five children. now we have 60 enrolled and

several performers in productions. >> lynn and her friends are spending thiscmer in a distinctly cultural light. plenty more news on the website aljazeera.com. i'm phil torres here to talk about innovations that can change lives. we are going to explore the intersection of hardware and humanity and we are doing it in a unique way. this is a show about scientists by scientists. let's check out our team of hard wore curves. brad davi [s] is a bioing gift. a breakthrough that can feed the planet. a meat substitute. >> do they taste like chicken. >> we tut-tut it to the test. dr crystal dilworth is a molecular neuroscientist.

e-cigarettes. cigarettes. >> what is the real science. kyle hill is an engineer, and i'm phil torres, i'm an entomoll gift. tonight spiders - one builds a deoi an amazing trip to peru. that's the team, now let's do some science. appear [ ♪ music ] hi guys, welcome to "techknow", i'm here with kyle, marita and crystal. as an entomologist, i love a good challenge in the field, there's a scientific mystery

that i went to the peruvian to try to solve. look at this weird circular structure. we went down with little information except for the fact that this thing was found on an island twice. take a look. >> reporter: onest best things about working in the rainforest is the adventure. join me on an expedition that's sure to get wet, whid and muddy. the peruvian youngle is a last wilderness with a huge population of endemic plant and animal species. they are found nowhere else on earth. >> why here? it's a unique place in the amazon completely undisturbed by human pressures like hunting and deforestation. it makes it a beautiful, pristine place. six months ago a researcher here at the research center found a

weird circular web structure, took a picture and posted it on the internet. little did he know the huge amount of attention it would get as people tried to figure out what it was. we are here with a team of scientists with a mission, to figure out what is making it. >> we arrested the island where it was first found. we found 20 days ago. what is the goal. >> catch an adult in the act. >> we'll try to get one in the act of making a structure. now it's hard to tell what is making it. >> this thing has confused me. i keep going between it being a spider or a spiter mite that no one has found. everything we have seen looks so little. what do you think it is? >> i don't think it's either. i have no idea. mite. >> our search yielded no answers as the mystery structure dumbfounded us.

exhausted, discouraged and stumped we turned our attention to an intriguing scientific discovery, a spider that creates a fake spider within its web. >> what is the plan? >> the first thing we'll do is find as many spiders as possible. for each one we'll flag them with this stuff. we'll go through, flag as many as we can and every 12 hours or so we'll take photos and we'll get a good upping how we are k understanding of how we are building the structures. >> using a ruler we can tell the rate of growth. we don't have an idea of how spiders. >> it's like we are watching little architects in action. >> what is interesting though is like being small, it seems like it's undergone the most growth since we've been watching. >> if you can imagine once this develops a little more, it will

be spider like and that should help it. camera. >> i mean, that's 8 centimetres, which is huge, when you compare it to the size of a spider which is less than 3-4mm. >> exactly. >> looks like he did. that looks like he shed skin. i'm curious if he'll put that into the - into his decoy. >> basically you shed the skin and make it part of your health. >> awesome. >> definitely write this down and make note of the rain that we've been getting so we have a record of why this is messed up. >> the great thing about studying something unknown is that every tiny bit of information we get on it is like a mountain more than we have to. >> it's amazing.

this was spider number five? >> yes. >> aside from man the decoy spider is the only known species to construct a version as a means of survival. happy with the answers found with the decoy spider we returned to the lab to look for the answers wecked. >> i can't see the purpose of the tall tower. >> and these things we see in there, the mites. >> we see them on just about every structure we look at. >> a bizarre thing is how many of these structures we have seen, but we is haven't seen anything build it. we have no idea. >> right now we need to look or find whatever is responsible in the act of making it. >> what is amazing how many experts,

top spider scientists charmed in and can guess to a family level, they really are very unsure, which is why i'm excited to be here. mystery. >> perplexed but hopeful we turp to a different -- turn to a different thrill for the next quest. one of the most fascinating species found is the tarrantuala. we decided to take a peak in the habitat. we found what we think is a tarrant ua girl. we'll try to accord nate between the two of us to look and see if we can find the tarrantuala and what else is in there. ready to give it a shot? >> let's do it. wow, he's right there. it is a tar anduala. i saw fangs. >> i think it struck at the camera, which is amazing. he did. >> i felt that through the cord.

>> i felt it too. the between - whoa. >> it's striking us. i have this vision of him coming out and, like, really fast and me screaming, flailing backwards knocking you over and the spider on my hand or space. >> there's a lot of spiders in the amazon, why do you think there is so much left to be discovered? >> the scientific community has and given arak noids as much attention as it has to insects. here in the amazon, diversity is high. compared to temperate regions, this area has not received the attention needed to adequately survey the extent. >> on the last day in the amazon, the investigator persistence paid off. we are amazed to witness the emerge of a spider link in the pole structure which was an egg

sack. this is a radical departure from what we know about spider reproductive strategy where eggs are laid and protected by the mother. i think spider experts will be skeptical of what we found. we were there, saw the things that hatched out of it. we did as well as we could to isolate these things. it will be a great one to follow up on. >> how long did it take you to find the region where the structures were discovered? >> it takes four flights, a bus ride and two canoe rides, it's quite a journey getting out there, which is part of the fun. when we got there we couldn't believe the fact that we found one, let alone 45 of these things. we found a bump on the island. >> congratulations. marita, you have something

different coming up. i hear it is edible, maybe. >> it is. we have what might be a break through in faux meats. we took it to the test in an old-fashioned barbecue and we'll tell you about it we'll check it out next. >> we

available for your apple and android mobile device. download it now [ ♪ music ] hi, welcome back to techknow. i'm phil torres, here with kyle, marita and crystal. what do you have for u marita. >> imagine the day when you go to the supermarket. instead of going to meat you go to protein - you have chicken,

beef, pork and an array of plant protein. there's a company trying to make it a reality. i got to check out their products, do a taste test and put it to the test in a barbecue. let's check it out. >> reporter: grilled, sauteed, opera housed or packaged. america's obsession with meat is ferocious. and bigger is better when it comes to our appetite as evident in an iconic fast food wendy's add from the 198 0s, which epitomised our fascination with beex. we consume over 270 pounds per person per year. now the demand is spreading to global heights and experts predict we will not be able to sustain it. >> i would say we are already not doing it sustainably. we are drawing on the planets

resources more than we should be. >> reporter: the united nations statements meat consumption will rise 25% by 2050. it has triggered a crop of meat alternatives hoping to ease your reliance. here and california we have a small town with a cosy feel. but it's also the headquarters of a start-up with ambitions that are anything but small. >> they had a sort of a calling internally to do something about animal ware fair to health. >> ethan brown is the c.e.o. of beyond malt. >> we looked at the technology of enjoying meat made from plant matter. we taking and creating a fibre structure reminiscent of meat. >> reporter: what makes your product unique?

>> it's the beauty of the fibre structure distinguished from meat. we are 70 to 80% there. we will not stop until you look at chicken breast and our product and you say "i can't tell the dips" for decades tofu and mock meat products targeted consumers. cravings. >> one of the challenges that alternative meat companies need to address is how to deliver the protein, and trying to meet some of the cultural values and traditions connected to it. >> we are at a beyond meat-tasting kitchen. here is where we do development, recipe development. now we are going to make fa heatas. here we go. >> that's good. >> before i became involved as the

entrepreneur, professors were working on this. two truly brilliant guys doing trial and error with the assembly of proteins through heating, cooling and pressure. 10 years later, they got it. >> reporter: production for beyond meat happens in columbia, missouri, under the one roof. >> we are standing in the manufacturing space. what we'll do now is go through the processing steps through to packing. >> reporter: let's check it out. >> so this is the first time we see the product. we take the dry material, wet ingredients, mix them, form a slurry, and this is what it look like. >> it looks chicken like. >> we take the strands and send it through a chopper giving it to the chickenless strips. >> there you go. >> how am i doing? >> you're doing good.

>> we put in fluids, spices and flavourings. we go to the grill where we seer the service and give it a balance and presentation. >> the whole process takes 1.5 hours. compare it to real chicken, where production takes weeks. to produce one pound of chicken, it takes about 468 gallons of water. two pounds of graper feed, and -- grainer feed and eight times the amount of fossil fuels used to grow plants. it's one thing to say your product looks and tastes like chicken. it's another to put it to the test in an authentic texas barbecue. get ready. chicken. >> absolutely, let's do it. >> reporter: this will be compared to the real chicken. >> to this. >> reporter: what do you think you can do with this?

>> we do a chicken sandwich. add barbecue sauce. >> reporter: so, mike, if you served this sandwich, do you think your average crust mer difference? >> unfortunately i would say yes. my barbecue customers that come here are knowledgeable on food. >> reporter: can i ask the customers to try this? >> absolutely. >> reporter: let's do it. order? >> ribs for me. >> brisbane ket. >> reporter: we kicked up a faux chicken sandwich with no chicken in it, do you guys want to give it a shot? chicken. >> the sauce is good. >> if the meat is not the star of your meal it's okay. >> if there was a health benefit i'd do it. >> reporter: there's something

about eating a juicy piece of meat. do you think switch? >> that's the question. >> reporter: any of you ready to give up the beef brisbane ket this. >> honestly, not yet. how does it taste? >> it looks like chicken. you can see the layering and it's trying to mimic the animal tissue. it's closer to chicken than i expected. it's good for faux meat. difference. difference. >> if it was group or green you chicken. >> there's a lot of research on colour, that's why it's important not to make a meat. >> what is the benefit? >> there's to main ones - one is

the health benefit. it doesn't have saturated fats, they can isolate. >> delicious saturated fat. >> the second is environmental. traditional meat production has a hefty environmental footprint. they are taking the han mall out of the e -- animal out of the eiation and providing the product to you. from fake meet to a fake cigarette. what do you have next. >> we are talking about vaping. vapour administration of cigarette. >> all right.

[ ♪ music ] hi, guys. welcome back. crystal, what technology are you bringing to us? >> we are talking about vaping used in electronic cigarettes. we went to a conference to look at the subculture. let's check it out. >> reporter: everywhere you look people are puffing on an alternative to conventional tobacco cigarettes. they are called electronic cigarettes and are hugely popular, thanks in part to a slew of ads featuring virtuous. >> jenny mccarthy, and i finally found an alternative to grts. >> reporter: i was intryinged. we are at the southern california electronic cigarette convention. e-cigarettes were founded in china and exploded in the united states, sales estimated to hit

$1.7 billion this year. let's see what the fuss is all about. >> cigarettesn't cool any more, believe it or not. >> after losing his father to lung cancer, a chinese pharmacist invented the first electronic cigarette in 2003 as a safer alternative to cigarettes. with e-cigarettes there's no combustion to produce the carcinogens found. instead there's a battery powered atomizer heating up the mixture inside. it turns into vapour. the habit is called vaping, and those that do it call themselves scrapers. >> i used to smoke cigarettes, i'd wake up in the morning, my longs were bad. i started vaping. it got better. >> there are major differences

in the experiences. e-cigarettes don't have the heat of conventional cigarettes. those that converted to e-cigarettes say the health benefits are worth it, including the potential to wean off nicotine. customizing the amount is easy, with reusable esticks. they are reusable and feature various batteries. >> i can customize the amount of draw. if it's a colder or warmer hit. and that's just one piece of the puzzle. there's hundreds and hundreds of variations that you can make. >> in the e-cigarette cannister it can contain concentrations of nicotine from 0 to 25 or 26 milligrams, and juices giving it fruity flavour. here is where the controversy lies. critics are concerned that the

attractive fruity flavours can help young people transition into conventional cigarettes. >> there's over 100 flavours, and we are the yoga land of e-cigarettes. >> reporter: it smells like pizza. i would ate this. for me, because of my background that's a concern. now is there a top limit, the concentration that you can put in in? >> now, there's not. you have the choice to buy own. >> reporter: we tend to regulate that. shine. >> correct. >> reporter: this is something in. >> they'll regulate. and we are prepared for that. >> reporter: but to far the f.d.a. has not set forth any regulations for the manufacture, sail or marketing of egrets. in the -- e-cigarettes.

in the meantime there's a wild wees vibe and the -- west vibe and a move. cigarettes. >> how do you feel about the proposed f.d.a. regulations that will be coming out? >> i think they stink. >> why? >> because they are going to condemn people to death and drive people back to cigarettes. >> healthier doesn't necessarily mean healthy. researchers are starting to investigate the health implications of egrets. i don't want to -- e-cigarettes. i don't want people to gallop to assume this is the solution to the problem for smoking, before effects. >> this professor is a researcher who is about to embark on an f.d.a.-funded study op how e-cigarettes effect the cardiovascular system. >> i'll model smoking and what i

blow out is what a person smoking it inhales. this is an instrument i use to measure the mass of particles in the air. so we are at four micrograms per cubic meter. the moment i flow that across the inelement. >> reporter: 1200. >> now her spiking. it went read over 100 milligrams, so we shifted from micrograms to over 100 milligrams. it's a lot of particles. the reason i care about particles is breathing particles causes cardiovascular disease. >> there's the impact of second-hand vaping and something vaping. >> i know when you release nicotine into the room and it settles on a surface, it reacts with normal gases in the air to form carcinogens. >> reporter: as e-cigarettes grow, there should be alarm

bells ringing, warning us to look deeper and beyond - you could say - the vape and mirrors how did you feel being vaping? >> i felt the exposure to nicotine. all the symptoms i think about, nicotine exposure, my heart rate accelerated, i was feeling the effect being in the room. from siders to faux meet and e-cigarettes, it's been a fun and interesting week of signs. dive deep into these stories and go behind the scenes at al jazeera/techno. >> audiences are intelligent and they know that their needs are not being met by american tv news today. >> entire media culture is driven by something that's very very fast... >> there has been a lack

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