kosta grammatis, feeding a hungry planet. he's touring the farm going inside one of america's busiest airports. and i'm phil torres, i'm an entomologist. i study spiders in the rain forest of peru. that's our program, let's do some science. ♪ ♪ ♪ are hey guys welcome to "techknow". i'm phil torres and here with kosta and shini. here in the u.s. when you think about tornado alley, you think of oklahoma. you recently went there. >> very high frequency of tornadoes, 50 on average. we went to moore, oklahoma, it was devastated by tornadoes on may 20th. we went to university technologists, let's take a look. >> west side of burton we have a major tornado coming down. >> may 20th, 2013, one of the worst tornadoes on record is captured on a time lapse video that went viral. >> people in west moore must be underground for this tornado. we have large large chunks of debris. >> the entire nation watched, as the tornado took a direct hit on the high elementary. in moore. >> from the looks of the school i knew it wasn't looking good. >>

i'm here with kosta and crystal. kosta what do you have for us? >> 3d printing.e greatest and latest new technologies, from heart valves to sugary treats, 3d printing on "techknow." from trinkets and 96 nicknacks, 3d fashion and food, from auto makers prototyping parts, to nasa, printing parts. >> this is absolutely a critical technology. >> and medical solutions. >> we've seen the row bow solution,. >> to life altering research. >> my lab makes ears. it's alive when it goes into the printer, it's alive when it comes out of the printer. >> creating the molds for replacement need to prototyping tv remotes. 3d printers are not anything like your home printer. >> 3d printing is a process that makes physical objects. a 3d principlers spits out droplets on a plate. little by little, not making a picture of the coffee cup but the coffee cup itself. every 3d print starts with a file, where to print, where to put the material. hoar is the printed speaker, you can go ahead and make changes. >> that information has been sent to the printer that prints layer after layer, ho

shini somara with kosta grammatis and phil torres. now phil's got a really fascinating story, but it's also an adorable one. >> guys, i've never been jealous of a dog before until i met these dogs. they actually travel around the world saving endangered species and they also fight invasive species right here in the u.s. so let's go to montana and take a look. >> near polson montana biologist aimee hurt is using one of the most effective tools available to prevent an invasive species infiltration. her four legged, furry partner - wicket, is a conservation dog---trained to sniff out endangered species as well as invasive species. >> when did this idea of using dogs in conservation first get started? >> field biologists have taken their pet dogs out with them all the time when they are looking for something ... and dogs are like oh you're looking for this i can help you with this let me point it out...what conservation dogs do differently is that...maybe this month we're working on one thing and the next month we're working on something

. >>> cob tra kosta -- contra cost ace animal service is talking about a dog that was found dead. when the owner learned her dog had gotten out she never imagined what happened. this defenseless, wonderful gentle dog. this is not a dog that would run up and attack. this is a dog that smiled. this was an old, frail animal. anyone with information is asked to call animal services in walnut creek. >>> a watchdog agency in new york city is accusing whole foods of overcharging people. it tested 80 types of prepackaged products and each was mislabled. from 80-cents to $15. whole foods says it will refund any items that was incorrectly weighed or priced. >>> 4:16 is the time. let's check in with sal. i have to say, 3:00 in the morning, there were a lot of the cars on the east shore freeway. people are getting up earlier and earlier. >> i assume they are going to work. maybe some are coming home. >> there are those. remember those days. yes. seems like a lifetime ago. pam and brian are right, there's a lot of people, but not a lot of stop-and-go traffic. there's not any major problems. it

. >>> a young child drowned in a contra kosta pool. our part nerls report that neighbors tried to revive the child on ridge park lane in concord. police say the toddler taken to john muir medical center. the cdc says 1 to 4 are at highest risk for drowning and suggest self-closing fences and pool alarms. for more tips go to our website abc7news.com for a link. >>> we are getting a close look at the devastation caused by tornadoes in colorado last night. twisters south of fort collins destroyed at least three homes and damaged more than two dozen others. the strong storms also pounded the denver area with quarter-sized hail. more storms in the forecast today and no reports of injuries, though. north of denver, a police sergeant luck on his side this morning when a road gave way beneath him. check it out. a massive sinkhole swallowed the suv as he drove along a road. the officer said he had to crawl through the window to the roof and then grabbed the top of the pavement to pull himself out. he's bumped and bruised and expected to be okay

police later captured the alleged intruder, sean kostas, who pleaded not guilty in an ongoing trial.burglar, busted by a live stream set up by an arizona woman to keep an eye on her dogs. >> yes, i'm watching on my surveillance camera from work. >> reporter: the alleged thief even stopping to give out a few doggie treats as he treats himself to her home. >> my dogs are there. he was giving my dogs dog treats. >> reporter: police surrounded the home and took the 22-year-old man, aaron white, into custody. he later pleaded guilty. now security cameras can even stream to your mobile devices. from the safety of her bedroom, heidi quezada watched in horror as 16 cameras streamed right to her ipad captured every move this home invader makes. >> i can hear him rattling around. and i'm telling 911, he's in the room next to me, and i was trying to whisper and i was trying to tell them, i kept telling them, please hurry. >> reporter: police are still searching for a suspect but say footage like this will help nab the accused thieves. experts say more and more people are setting up cameras in t

let's go with robert kosta of the washington post. this is rand paul's moment.perts to what can't the government get done now, political rand paul sees this as a great opportunity. he's running for president a lot of complaints he is using this for his campaign. he makes his case he is right and -- >> people here in town think i'm making a huge mistake. some of them i think secretly want there to be an attack in the united states so they can blame it on me. >> i'm not sure anybody wants there to be an attack on the united statthis how he is without a doubt taking over the senate floor on a way he thinks will help his presidential campaign. >> that is true. the big knock against senators they have no record of achievements. now, rand paul can look at this and say, look i stopped the phone records. i have this achievement. i did this by myself. there is no doubt he is using this to help his campaign. he is saying look what i have done donating plo into my campaign. >> he thinks young people will like this his dad's old libertarian wing likes this give us numbers i

kosta, is recognized for -- mr. costa, is recognized for two minutes. mr. costa: mr. speaker i rise in support of this measure to repeal the country of origin labeling. you want to thank the chairman for bringing this measure up. i also want to thank the ranking member always for his efforts to be balanced and to try to solve problems. but i have been saying and he and i disagree on this measure for years that this country of origin labeling simply has not worked. so i'm pleased that we're here today to debate the legislation that in fact repeals the country of orling labeling for beef, pork and -- origin labeling for beef, pork and chicken products and hopefully we can figure out a solution to this problem. that said let's be clear, and i want to emphasize, this measure has nothing to do with food safety. let me repeat. it has nothing to do with food safety. the inspection process by the united states department of agriculture and the food and drug administration remain in place for all consumeable products that american public eats. so what this has to do is simply