if you want more be sure to tune in to "techknow." >> go behind the scenes at aljazeera.com/techknow.s and more. >> monday on "techknow". the agricultural community is in crisis. >> more prolonged drought could become the new normal. >> desperate for solutions. >> we can make clean drinking water, just using the sun. >> conservation, science and hope. >> the snow is really a critical resource. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> sharks like affection. >> "techknow". where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. mousse >>> this week on "talk to al jazeera", new york city police commissioner william bratton. >> this is not race unfortunate. despite what the federal court says. >>> it's his second go as head of the police force, and back when race dominates. >> when you have people chanting what do i want, cops. i'm sorry, that's too mar

florida is not alone, as "techknow" discovered.lling around the world to talk to experts on the forefront of climate science. we flew with n.a.s.a. - as they measured the arctic ice melt on greenland's glaciers, marking another year of decline. >> the climate of the arctic has been changing. >>> we travel to peru, where rain forests are declining. >> in 2005 there was the biggest drought in the amazon, in the history of our records. 2010, five years later, a bigger drought hit the amazon. these are the climate projections playing out before our eyes. >> we saw a core sample from the last ice age, to get a comparison on how quickly greenhouse gases are accumulating today. this sample represents 3,000 years of changing of carbon dioxide. >> the equivalent change of greenhouse gases that happened in the last decade took thousands of years to happen when the earth was not being influenced by humans. >>> these scientists reflect the fact that 97% of all research published on climate change say it's fuelled by manmade greenhouse gas emis

. >> this is "techknow". a show about innovations that can change lives. >> the science of fighting a wild fire. >> we're going to explore the intersection of hardware and humanity but we are doing it in a unique way. this is a show about science by scientists. tonight "techknow" investigates climate change. >> i can really feel it vibrating now. >> it's science versus politics. >> do you know what this is? it's a snowball. >> from a city in the grips of climate crisis. >> neighbors were coming down. everybody was helping each other, pushing the cars. >> to the epicentre of a political debate. >> carbon pollution is co2, and that's really not a polutant it's a plant food. >> we go to the front lines of a debate that may not be decided. >> they're gonna raise the sidewalks... >> that must be what - two feet? >>> until it's too late. >> as mayor, i don't have the liberty or time to debate why climate change is happening. >> dr. shini somara is a mechanical engineer. >> with all of that innovation do you think i

. >> this is "techknow." a show about innovations that can change lives. >> the science of fighting a wildfire. >> this is a show about science, by scientists. let's check out our team of hard core nerds. marita davison is a biologist specializing in evolution. tonight, fracking. >> i looked out my front door and i said, where did my front yard go? >> this station is right on top of the earthquakes. >> this is the epicenter? >> this is the epicenter. >> seismologists dig deep. >> do you think you can give the solutions you want? >> dr. crystal dilworth is a neuroscientist. fracking and waste water. >> it is money for some oily that'sity dirty. >> i'm phil torres, i'm an entomologist. dispatches from outer space. >> chocolate pudding cake. >> out of this world. my one 01. >> bigger ball of water. >> with the youtube astronauts. that's our team. let's do some science. >> so what is this? ♪ ♪ ♪ ♪ >> hey guys welcome to "techknow." i'm phil torres. joined by dr. crystal dilworth and marita davison. fraking. it's

>> "techknow". monday, 6:30 eastern. only on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus fragile planet >> >>> this is al jazeera america. i'm erica pitzi, in new york. here are the top stories. a devastating earthquake in nepal kills many. a number that will rise as authorities realise the full scale of the disaster >>> thousands take to the streets if baltimore protesting the death of freddy gray. >> i'd say he has probably had

>> "techknow". monday, 6:30 eastern.on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus fragile planet ♪ >> good to have you with us here on al jazeera. live from london. i'm david foster. also coming up in this program the battle continues as fighters loyal to president hadi try to repel houthi rebels. >>> migran

>> "techknow". next monday, 6:30 eastern. only on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus fragile planet >>> this is al jazeera america live from new york city. i'm tony harris. warships to yemen, reports that several u.s. nayvy ships are getting in position. >>> hundreds more die in the mediterranean fleeing violence in africa and the middle east. >>> and shots or not, a mother of seven explains how she went from opposing immunization to speaking out in favor of vaccinations. ♪

>> "techknow". monday, 6:30 eastern. only on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus fragile planet

photos ♪ ♪ ♪♪ ♪ ♪ >> welcome back to "techknow." we're talking deep ocean. of exploration here on earth and scientists are just now beginning to understand what lives down there and how it all works. these scientists are not the only one interested. >> that scientific research of a whole lot of research down there in terms of the minerals and metals there is a rush to bring all of that to the surface. >> you know that rush is a delicate and potentially really contentious issue, because we know so little about that environment so it's tricky. >> tricky or not deep sea mining it is coming potentially within the next two years and it might bring a lot of issues with it. let's take a look. >> these days the new gold rush isn't in the hills. it's in the deep. hydrothermal vents two miles down. verified by the submersible alvin in 1977. and no one knows it better than scierchtscientist cindy van dover, she now consults with the undersea mining industry. >> we have been finding valuable minerals on the sea floor, the deposits that make up a hot spring and gold and

this is techknow a show about innovations that can change lives. the science of fighting a wildfire. we're going to explore the intersection of hardware and humanity but we're doing it in a unique way. this is a show about science by scientists. tonight techknow investigates gold at any cost. we travel deep into the rainforests of peru. these illegal mining operations extend for miles and miles away from the main highway. to uncover a gold rush that's turning lush jungle into utter devastation. >> high preessure water hoses and blasted out... >> and it's not just the land. people are stepping into mercury. i'm philtorres i'm an entomologist i've conducted extensive research in this rain forest so this story is personal. it really pains me to see this. marita davidison is a biologist specilaizing in ecologyand evolution now she shows us the high tech tools that are exposing what even the eye can't see. >> so where it's blood red that's where the mercury polution is most intense. >> we'll share our findings with lindsay moran she's an ex -cia anaylis

tonight "techknow" investigates extreme weather. mechanical engineer is in the line of fire. >> i'm standing in a windstorm at 45 mph. >> marie at a davidson is a biologist specializing in ecology and evolution. >> we're in the hydraulic lab where they brought the ocean inside. >> causing devastation around the world. coincidence or climate change. what is really going on. >> it is what happens that is it is unusual or a sign of what is to come. >> we look at how that impacts the seeding of clouds. >> can we weather the extremes? i'm phil torres. >> whether is the shirt you put on today, but climate is your word robe. today we're breaking out the rain clippers. >> that's our team. now let's do some science. [music] >> hey, welcome to "techknow." i'm phil torres, with global extremes. we're seeing the hot get hotter and the cold get colder, and it's hitting all corners of the u.s. >> it's a really challenging time. challenging and exciting to try to understand what these extreme weather patterns mean for our climate. >> and i got to

on al jazeera america, "techknow" is up next. for international viewers, the latest headlines are ahead. and wherever you are, more on the website. aljazeera.com. get the latest on all the stories we are following. aljazeera.com. this is a show about science by scientists. let's check out the team of hard-core nerds. stories we are following. it that way. >> here goes. i'm phil torres. i'm an entomologist. that's our team, now let's do some science. >>> hey, guys, welcome to techknow, i'm phil torres, joined by marita davison, and crystal dilworth. as you think of a farm in the midwest you think of corn and wheat fields, it's not the case these days. >> as research is scarce, farmers find innovative solutions to problems. farmers are turned on its head, including going away from the field, and taking it indoors. going indoors, stacking plants and growing problems in the absence of sunlight. it sounds like a science fair experiment. it's a viable business. >> reporter: sometimes mother enemy. >> if we don't get rain in a 30 day wi

my first shoot for "techknow" was all about tornado technology, which was incredible.t's my area of expertise. it was so exciting flying to oklahoma and texas, where we got to see the facilities being used to research tornados. the passage of this is to learn about the innovation incorporated into building regulations to keep people safe during a tornado. at texas tech they establish the wind institute. and it's there that they have one of the largest tornado simulation laboratories. >> this is vor tech. >> it's great meeting the professor, who talked me through the design of the lab. we create tornado-like things that mimic the wind speed. >> he is making the steps to understand how tornados are formulated. essential. >> there's a lot of different types of tornados. we can mimic them in here. >> by creating a scaled down version, you can see how it takes shape from the pressure senses to temperature, to the sped some tore and the abbing seller some terse. that technology was underneath. >> i'll go turn it on and we'll have some fun. >> you had the slits in the floor i

tonight, techknow journeys into the jungle. this is one of the iconic animals of costa rica. >> how extensive is the damage? we are going to find out. >> we're going to walk every trail, stream, or swamp we come across to see what's out there. >> i'm phil torres. i'm an entimologist. >> ready? >> yes. >> i'll share it with a biologist. that's our team. now let's do some science. >>> hey, guys, welcome to techknow. you guys know, i've spent a lot of in the jungles. i do my research in the tropics and usually i'm looking at spiders and butterflies. but this time i went down to costa rica to look at something different. we know there are a lot of scientific issues out there protecting our rain forest is one of them certainly but maybe it's not quite high enough on the list. because we're realizing now that rain forests are doing incredible services for us in society. >> and they're doing them for free. completely for free. we don't usually think about ecosystems like rain forests providing fundamental services. >> it takes so much

hey guys welcome to techknow i'm phil torres joined by lindsay moran and marita davidson. this upcoming episode is an important one to me it takes place in peru where i've done alot of my research and it is a tale of contrast we will see a rainforest full of new species and then we will see the devastation that humans have done to extract gold. >> and as we know with devastating stories like this, where there is a lot of damage science can play a role here not just in monitoring and discovering what's going on but in trying to help process. >> i think this is a story having looked at some of the images that one image of the devastation pretty much says it all. >> absolutely, this is an important story it's one that is very near and dear to my heart and it starts in the peruvian rainforest. the amazon rainforest for more than 50 million years it's been a cradle of life. this is what pristine rainforest looks like. lush, untamed, bursting with wildlife. but maybe not for long. because the soil underneath is laced with gold. and the human desire for it can turn all of this...

that's [ ♪ music ♪ ] >>> welcome back to techknow.l torres, joined by dave, and dr crystal dilworth. i'm an entomologist, and i like working with insects. one of my favourites are the bee, that may be in trouble. >> i think of airports as being places that are destructive to wildlife. it's not always the case. >> no, in fact, i thought to take a tour at sea pack airport in seattle where they are taking steps not to just keep wildlife striking aircraft, making us safer in the air, but are taking steps to make bees a little safer. let's check it out. [ ♪ music ♪ ] >> reporter: as one of the busiest airports in the north-west, seatac international serves 30 million passengers each year. most don't realise they are sharing airspace with half a million bees. >> we are standing in the middle of one of the three areas at cietac airport. >> bob is the executive director of common acre, a nonprofit bee conservation group, partnering with the port of seattle to form the flight path project. bee. >> reporter: let's talk about why it's important

. ♪ music ♪ ] >>> hey guys, welcome to "techknow."t does the bulletproof vest have to do with goat's milk. the answer lies in spider silk - of all things. i got a chance to look at the future of fabrics. it is fascinating. let's take a look. >> reporter: they are nature's masterful architects, genius at structural design. their silk - though just a fraction of the size of a human hair, is stronger than steel and more powerful than tevlar. you have called spider silk the ancient biomaterial for the future. what do you mean by that? >> spiders have been around for roughly 600 billion years. it has properties that no manmade properties have. >> what can you use it for? >> medical products, car tyres, bike tyres - looking at it for air bags. >> how do you get from a single strand of spider silk to a group. a good place to start at at the spider lab at the university of california in cheryl hayashi's lab. >> we are historians of the spider geno. we are trying to figure out the blueprints for making the silk. you have a transformation from

>> can affect and surprise us. >> sharks like affection. >> "techknow".echnology meets humanity. monday, 6:30 eastern. only on al jazeera america. >> >>> the nigerian military rescues nearly 300 women and girls from boko haram. welcome to al jazeera from doha. also ahead - the saudi king names a new heir and replaces a foreign ministers in a major government shake-up. frustration in nepal as survivors of saturday's earthquake wait for aid and relief >>> australia recalls its ambassador from indonesia after two of its citizens are executed

following us on twitter and at aljazeera.com/techknow. conclude >> 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 [ ♪ music ♪ ] >>> hey, guys, welcome back to "techknow". i'm phil torres, with marita davison, and dr it crystal dilworth. we have seen the wonders of baseill. what comes up next. >> next i look at how baseill plants and talopia fish are living in harmony, and doing it indoors. >> reporter: for most of us these are the images that come to mind when we think of farms - rows of produce spanning to the horizon, farmers using machines to fertilise crops. at this warehouse farm outside of chicago, the rows go up, and fish do the work of fertilizing the produce. >> one, two

/techknow.rs on facebook, google+ and more. >> tomorrow on "techknow". >> we should not be having earthquakes in texas. >> the true cost of energy hits home. >> my yard is gone. >> are we destroying our way of life? >> contaminated water from the fracking activities come here. >> they stick it into the core of the earth. >> but this cutting-edge technology could be the answer. >> the further of fracking is about the water. >> protecting the planet saving lives. >> how do you convince a big oil company to use this? >> "techknow". tomorrow, 6:30 eastern. only on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus 1kw50us fragile planet >>> desperate rescue efforts in kathmandu. the number known to have died in saturday's earthquake mounts. >>> hello there. you are watching "al jazeera live from london. also coming up two protestors shot dead in burundi as police break up protests. >>> acts beside an active col van 0. >>> plus i am robin

/techknow.rs on facebook, google+ and more. >> monday on "techknow". >> we should not be having earthquakes in texas. >> the true cost of energy hits home. >> my yard is gone. >> are we destroying our way of life? >> contaminated water from the fracking activities come here. >> they stick it into the core of the earth. >> but this cutting-edge technology could be the answer. >> the further of fracking is about the water. >> protecting the planet saving lives. >> how do you convince a big oil company to use this? >> "techknow". monday, 6:30 eastern. only on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus fragile planet >> this is aljazeera america. live from new york city, i'm tony harris. killed by a drone, the white house promises compensation to families of two hostages killed in an attack. and the president blames al qaeda for their deaths. >>> and the first african-american attorney general. and going after the smugglers leaders say that they will

/techknow.rs on facebook, google+ and more. >> part of al jazeera america's >> special month long evironmental focus fragile planet >> >>> new air strikes in yemen hour after saudi arabia announced an end to the coalition air campaign >>> hello. welcome to al jazeera. i'm jane dutton live from our doha headquarters. also ahead - he survived a deadly boat capsized in the mediterranean killing over 800, an exclusive interview coming up. >>> protests in hong kong after the government introduces a new electoral reform plan

. >> techknow heads to costa rica to see how one rainforest is fighting back. >> wow! some of these are amazing. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> don't try this at home. >> "techknow" - where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. >> welcome back to tech know. you're about to take us on a behind the scenes look at one of your favorite pieces you've done on goggles that can see cancer. >> it must have been an extra treat, because it's featuring a technique in your field. >> i do have a personal connection to the story. the detection method for the cancer uses fluorescents which i did for my p.h.d. let's take a look. >> so the cancer goggle story was about goggles similar tonight vision goggles, but allows surgeons to use infrared to see cancer cells. my thesis title was fluorescents. i studied nicotine dependence looking for something that i was going to help make a difference. the data that came from my

. >> dive deep into these stories at aljazeera.com/techknow. follow us on twitter, facebook, google plus and more. >> monday - a climate emergency. >> those species could not be here in 10 years. >> nasa steps in to help protect the future of the planet. >> the tropics regulate our climate. >> techknow heads to costa rica to see how one rainforest is fighting back. >> wow! some of these are amazing. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> don't try this at home. >> "techknow" - where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus fragile planet >> kenya gives the united nations only three months to move the world's biggest refugee camps over the board to sow mall with a. >> you're watching live from london. in the next 30 minutes cuba's president apologizes to u.s. president barack obama as they get ready to hold historic

. >> monday on "techknow". the agricultural community is in crisis. >> more prolonged drought could become the new normal. >> desperate for solutions. >> we can make clean drinking water, just using the sun. >> conservation, science and hope. >> the snow is really a critical resource. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> sharks like affection. >> "techknow". where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. >> this is "techknow." a show about innovations that can change lives. >> the science of fighting a wildfire. >> this is a show about science, by scientists. let's check out our team of hard core nerds. marita davison is a biologist specializing in evolution. tonight, fracking.

. >> techknow heads to costa rica to see how one rainforest is fighting back. >> wow!some of these are amazing. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> don't try this at home. >> "techknow" - where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus fragile planet >> we've seen what happens tothe reputation he of schools and survivors after allegations of sex crimes on the campus. but what about the accused, most often young men, even if they're not guilty with more schools taking a harsher line, as they try protects women on campus many of the accused are fighting back. "america tonight's" christof putzel on a young man falsely accused. >> for allison strange it began with a phone call about her son josh. >> the phone call. there's always that one call that you never expect to get. it was a voice that wasn't josh. and he said josh has been arrested.

. >> techknow heads to costa rica to see how one rainforest is fighting back. >> wow! some of these are amazing. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> don't try this at home. >> "techknow" - where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus fragile planet >> the summits of the americas is a regional meeting held every three years but rarely has it generated this much attention and that's because cuba is making its first appearance as its works with the united states to normalize relation he. it's a heavy lift but but the diplomatic choreography has been intense. already, president obama suggested he remove cuba from state sponsored terrorism list. david air david arioso. whats tell us the details. >> it is the first time eerts of theseeitherof these men have sat down and talked, april feants 15th, 1959 when vice president richard nixon met w

. >> techknow heads to costa rica to see how one rainforest is fighting back. >> wow! some of these are amazing. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> don't try this at home. >> "techknow" - where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. >> i'm stephanie sy. we're talking with deepak chopra chopra. one of your books you spoke with a harvard neuro scientist. what is a super brain. >> we have three parts to our brain. we have reptilian brain which goes back 300 million years which is only involved in fight or flight. it's survival. it still dominates our world. i'm using my hand because this is a handy model of the brain. this is the limbik brain. it regulates your his or her your hormones. and then your cortical brain. this is where we reflect imagine, make choices. orchestrate conscious intention. the idea of a super brain. you don't use your real tillan brain at all. when you're stressed. you stop. s-t-o-p. s

. >> techknow heads to costa rica to see how one rainforest is fighting back. >> wow! some of these are amazing. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> don't try this at home. >> "techknow" - where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus fragile planet >> i'm stephanie sy. this is "talk al jazeera." your star started to rise at the same time that people realized you were one of michael jacksons close advisers. what do you want to say about him and his death. >> michael was like a brother to me. i met him a long time ago, around the time when "thriller" was in the world, the big album. he was very innocent. he was very joyful. he was a generous genius in terms of his--in terms of his craft. was he misunderstand. >> he could go into a state of consciousness that i would call transcendence. he was not part of this world when he was there. th

. >> monday on "techknow". the agricultural community is in crisis. >> more prolonged drought could become the new normal. >> desperate for solutions. >> we can make clean drinking water, just using the sun. >> conservation, science and hope. >> the snow is really a critical resource. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> sharks like affection. >> "techknow". where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. > >>> the nigerian military rescues nearly 300 women and girls from boko haram. psh psh welcome to al jazeera from doha. also ahead - the saudi king names a new heir and replaces a foreign ministers in a major government shake-up. frustration in nepal as survivors of the earthquake wait for aid and relief >>> australia recalls its ambassador to indonesia after two of its citizens are executed by firing squad

. >> techknow heads to costa rica to see how one rainforest is fighting back. >> wow! some of these are amazing. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> don't try this at home. >> "techknow" - where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. >> part of l zea erica'& >special month ngn, if he was banned for two years, we will not have anyone for the next decade or more. it will be a big blow to malaysian sports. barcelona looking to preserve a 4-point lead at the top of la liga. barca facing a demanding 2-week stretch. a win away could be challenging. unbeaten in over a year at home. aiming to secure champion's league qualification. cristiano ronaldo will play in the match against abar, kicking off in a few minutes time. picking up a yellow card. real appealed after video showed he did not give and was brought down by a defender. >> translation: this match can be a trap. we have this two days rest after a hard game

. >> techknow heads to costa rica to see how one rainforest is fighting back. >> wow! some of these are amazing. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> don't try this at home. >> "techknow" - where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus fragile planet [office phone chatter] [frogs croaking] you know what, let me call you back. what are you doing?! [scream] [frogs croaking] [yelling and screaming] it's back! xfinity watchathon week. the biggest week in television history. it's your all-access binge-watching pass to tv's hottest shows, free with xfinity on demand. xfinity watchathon week. now through april 12th. perfect for people who really love tv. >> it was known to many as a violent warehouse for juveniles. new mexico's j. paul taylor center where officials charged physical and sexual abuse of young offenders took place and there was l

. >> techknow heads to costa rica to see how one rainforest is fighting back. >> wow! some of these are amazing. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> don't try this at home. >> "techknow" - where technology meets humanity. tomorrow, 6:30 eastern. only on al jazeera america. >> the question of who is accountable for the land loss in louisiana is still disputed. >> here we're looking at aerial 1940 at venice field in plaquemines parish. >> at his office in baton rouge attorney don carmouche says these aerial photos are evidence against chevron and other oil industry. >> you can see the contamination, the killing of the marsh the additional erosion from the canals. those are man-made canals, they made them they didn't revegetate them, they didn't detoxify. by 1983 they had a requirement to re-vegetate detoxify and restore to its natural state, they did not. >> fast forward to 1983, by then you have continued significant production everywhere you s

. >> techknow heads to costa rica to see how one rainforest is fighting back. >> wow! some of these are amazing. >> techknow's team of experts show you how the miracles of science... >> this is my selfie, what can you tell me about my future? >> can affect and surprise us. >> don't try this at home. >> "techknow" - where technology meets humanity. monday, 6:30 eastern. only on al jazeera america. >> part of al jazeera america's >> special month long evironmental focus fragile planet what makes wikipedia weak is also what makes it vulnerable. almost anyone is allowed to edit. that ensures information is current, but it also means that it is ripe for rapid lynch. and now governments are getting into the act. last summer, wikipedia suspended access of all i.p. addresses from the u.s. house of representatives after some rogue edits came to light the russian government was caught red handed making bias edits. andleier this page, reports surfaced that a british government computer had been making hundreds of edit as month. so raj, give us an idea what some of these look like