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 hig elementary. in moore. >> from the looks of the school i knew it wasn't looking good. >> win

. >> kosta grammatis. and lindsay moran. a former cia agent. that's our team. now let's do some science. ♪ >> hey guys, i'm phil torres. welcome to "techknow" i'm joined by are crystal dilworth, and kosta grammatis. and linda moran. - lindsay moran. >> let's take a look at the safety of e-cigarettes in general. >>> they're fruity flavorful fun and more popular than ever. the explosion in advertising dollars and sales of strong cigarettes are in the billions as the devices are being touted as a safer alternative to smoking tobacco cigarettes. >> i think it's the best thing smoke. >> i wake up in the morning and my lurchtion hurt really bad. i started vaping and it started getting better and better. >> are the claims really true or are they a smoke screen? the health rirvetion associated with the use of electronic cigarettes associate with the liquids themselves. the research at u.c. riverside, indicates that we shouldn't be just concerned about the are liquids but the devices themselves. >> when you do your experiments in the lab you hope to find something and i

kosta grammatis, feeding a hungry planet.

parts of contra kosta county, continuing down 242 into walnut creek. very quiet. lights remain off.we'll let you know when we turn them on. more traffic and on a foggy commute. here's lawrence. >> gray in spots. visibility in the north bay valleys. be careful this morning. still, that fog is going to break up. right now, we make a good push along the coastline just inside the bay and some but not all the valley report clear skies in concord and also in livermore. as we head towards the afternoon, we find some sunshine with mild to warm temperatures outside. a little cool out towards the coastline and then i think some slow cooling as we head to the middle of the week to break down. not today. you see a lot of sunshine and then got a couple of cold fronts along the coastline to break down the ridge a little bit towards tuesday and wednesday. that's when the temperatures start to drop off. around the state if you travel today, 56 degrees and mostly cloudy in eureka. mostly sunny in the afternoon and monterey bay. 83 degrees in the valley. the clouds early on and trying to break iten.

chance to build one this close to his home patrick >> reporter:when lick observatory superintendent kostas chloros turned in last night, it was raining hard.and when he woke up.the 4-thousand foot mountain top and neighboring peaks had a new winter.make that spring coat. >> reporter:your kron 4 forecast was right on the money. the first snow you see on the way up is right at about 35-hundred feet and then more as you approach the summit where telescope technician pavel zachery suspects that climate change or the drought, or both, is having an impact on snowfall here. >> reporter:for a while there the low hanging clouds threatened to dump a bit more but it turned out to be just enough to lure a few hearty souls out for a joyride or a last chance >> reporter:to make the most of what there was. >> we drove down from san francisco. is that a lot of snow but enough to make a four year-old happy. >> reporter:on mt. hamilton rob fladeboe kron 4 news >> pam: and you can get the weather anytime. with the kron-4 app. >> pam: along with traffic and alldownload it today. >> pam: we have some pricing n

captain of the kosta concordia is standing trial for abandoning ship. 32 people died after the cruiseinto rocks off a tuscan island. >> i don't think you can rely on the training necessarily of the people on board. but rather, those in charge of directing the people on board. >> reporter: captain rick smith trains cadets on a 565-foot long vessel, "the empire state." he says saving lives depends on quick thinking and clear communication from the captain and the crew. bottom line, i think where you find people are amazed how quickly things escalate or how fast a ship could sink. >> reporter: women and children first was the evacuation order first heard on the sea in 1852. the command referred to now as the berkenhead drill coming from the captain that went under with it. and most famously on board the titanic where 1,500 passengers perished. so did the captain edward smith and never left the supposedly unsinkable ship. alexander field, cnn, new york. >>> and still to come, time is sticking away in the search for missing malaysia airlines flight 370. up next, we'll look at the high-tech

program has reached a nother latin american country kosta rico the a.p. reports that the coastal region government is demanding answers from the obama administration about how usaid improperly used assets in coasta rica to develop zunes in a oh the social network deployed in cuba in two thousand and nine to reportedly disrupt the castro government that repeated claims by usaid that the program was not overt were belies by lawmakers like senator patrick leahy who claimed earlier this month that he didn't know about it the legislation doesn't say anything about setting up a cock i mean the idea in cuba was twitter accounts and all and now the coastal region government claims it didn't know about it either despite reports that a base of operations for zooms in a.o. was run from within their country closer because communications minister told the a.p. quote the government of the republic was not aware of this we are awaiting the reply of the government of the united states because to rica's largest newspaper revealed that foreign ministry officials were tippe