they're dangerous for syria and the world so we're justified in using any weapons that are legal, but that means when this overstretched and under trained army does gain ground, it's victories look like nothing more than a few blocks of rubble. but the truth is that by now all sides in this war are completely exhausted and unlikely as it sounds just a couple of suburbs

truce with the rebels to allow food and supplies to reach civilian civilians. >> rare firsthand reporting

today, the director of the f.b.i. said that his battle with apple is the toughest fight he's faced in government. a federal magistrate ordered apple to unlock the iphone of one of the san bernardino terrorists, but today, apple told the court that order is dangerous. jeff pegues has more. >> reporter: in its filing, apple says the f.b.i. is seeking a dangerous power and that it would be forced to dedicate six to 10 apple engineers to create new code that apple calls the government operating system or government o.s. apple said there would even have

lab on company grounds that could be used to open hundreds of other seized devices in law enforcement's possession. apple says: if it creates software to break into the iphone, criminals will view the code as a prize. >> this is the hardest question i have seen in government. >> reporter: f.b.i. director james comey reassured members of congress today that the bureau only wanted access to the iphone used by san bernardino terrorist syed farook. comey said the f.b.i. is standing on firm legal ground, but congress needs to set the limits on how far government investigators can go. >> i'm a huge fan of privacy. i love encryption. it's a great thing. but our need for public safety and our need for privacy are crashing into each other, and we've got to sort that out as a people. >> reporter: apple agrees that congress should have a bigger

the court case is moving forward. google and facebook are expected to file legal papers in support >> pelley: jeff pegues for us tonight. jeff, thank you. tornadoes in several states yesterday killed at least four people, including three in waverly, virginia, where we find chip reid tonight. >> man, it's an experience, man. you got to experience it to talk about it. >> reporter: vincent donald was about to sit down right here to watch tv when the tornado slammed into his mobile home, sheering off the roof and the wall. do you feel lucky to be alive? >> i'm not lucky. i'm blessed. >> reporter: but the tornado tore his neighbor's mobile home from its foundation and sent it sailing across a highway. a two-year-old boy, his father, and another man died. their bodies and other debris were found 300 yards away. somehow, the boy's mother survived with serious injuries. in nearby appomattox, virginia,

buildings were damaged after a funnel cloud left an eight-mile path of destruction. at least three tornadoes were reported in north carolina. in oxford, parts of this farm were leveled. in pennsylvania, a tornado ripped through amish country, hitting structures in narvon. a torrential downpour lead to flash flooding in and around washington, d.c. and left one major road flooded for the morning commute. in the new york area, a gust of wind sent this truck airborne. and, scott, take a look at this. off queens, new york, 12-foot waves capsized a coast guard boat as it was trying to rescue fishermen on another vessel that had run aground. and back here in waverly, virginia, you're looking at a photograph of a-plus tires before the tornado. now you're looking at a-plus tires after the tornado. this was the garage door. that up there is the metal that was once the roof. scott, it's a good example of what happens when a tornado meets a building made of sheet

>> pelley: and we want to point out, no one was injured in the coast guard incident today. chip, thanks very much. the world's appetite for portable electronics has triggered huge demand for rechargeable batteries, but many of these batteries are now bursting into flames in places you would least expect. vinita nair is looking into this. >> reporter: when the fire first kentucky gas station thought it was a bomb. it turned out to be an e- cigarette that exploded in josh hamilton's pants. he suffered third degree burns. it's just the latest incident involving defective lithium ion batteries that power e- cigarettes. 22-year-old evan spahlinger had to be placed in a medically induced coma for three days after one of them blew up in his mouth. >> it's an alternative to smoking cigarettes. it's supposed to be a safer and a healthier way of doing it. >> reporter: the same battery cells that power e-cigarettes, also power hoverboards.

52 reported incidents involving hoverboards catching on fire. jay whitacre is a professor at carnegie mellon university. he said the demand to make these products cheaper and more powerful has led some companies to cut corners. >> what we're seeing right now is a situation where maybe some of these batteries are simply not made to the same standard as the battery that are made say, at sony or panasonic, which have much more stringent quality control. >> reporter: whitacre says that lithium-ion-powered items like e-cigarettes and hoverboards are considered high-power applications. if their batteries are badly designed when they are charged they can overheat. is it something that the user is doing incorrectly? >> no. in general, with this kind of technology, it's very difficult for the user to be at fault. there is a well-controlled charging circuit, and there should be a good package that the cell lives in. both of those things should be designed to protect the user. >> reporter: industry advocates say these incidents are still

always use compatible batteries and chargers. they say to avoid battery contact with metal objects, scott, such as coins, keys, or jewelry. >> pelley: vinita nair, thank you very much. there's a plan to give wider air passengers wider seats. we'll get to the bottom of it. and a young fan bags quite a gift from a legend when the cbs

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>> pelley: airbus has an idea that could revolutionize the in- flight experience. think flying station wagon. here's kris van cleave. >> reporter: jet maker airbus wants to patent a seating concept taking a row of three airline seats and turning it into a rapidly and easily reconfigurable bench. it could seat the traditional three passengers, shift to two

space, including overweight passengers, or even fit a fourth person, like two parents and two small children. >> the airlines will consider anything that allows them to make a buck. >> reporter: ben mutzabaugh is the editor of "usa today's" "today in the sky" blog. >> if we've seen nothing else in the airline industry, they're very clever about coming up with ways to sell seats to passengers, especially when they can charge more for either seats that are better or for seats that are less awful. >> reporter: airbus previously sought patents for a design stacking passengers and this semi-standing concept. seat maker zodiac created a hexagon pattern where the middle seat faces the passengers in the aisle and window while adding up to 30 more passengers per plane. tennessee congressman stephen cohen worries extra seats could jeopardize safety making it hard to evacuate within the required 90 seconds as seen in this video. he's authored a bill requiring the f.a.a. to set minimum seat- size standards. >> if people can't get out of an

it shouldn't be after there's an accident. after there's an accident, it's too late and people are dead. >> reporter: the big question now, scott, will an airline say they want these seats and will safety regulators ever allow them to be installed in a plane? >> pelley: kris van cleave, thank you, kris. what's killing players in the n.b.a.?

>> pelley: heart problems account for three-quarters of sports-related deaths in young athletes. now, a new study may help save lives, and here's dr. jon lapook. >> reporter: two years ago, isaiah austin was one of the nation's top college basketball players. then, a physical before the n.b.a. draft revealed a heart

>> i just didn't know what to do with it, but it was just-- you know, just accepting it, accepting that life and health is more important than a game. >> reporter: in the u.s., sports-related sudden cardiac death is highest among basketball players. one big question is what's a normal heart size for these athletes? to find out, dr. david engel and colleagues reviewed the heart ultrasounds of more than 500 n.b.a. players. when you first saw them, you thought these are big hearts. these are abnormal? >> the first instinct is to say these hearts are enlarged. we're not used to seeing hearts for people that are this big. the average n.b.a. player is 6'7" and the average weight is 222 pounds. >> reporter: it turns out, like any other muscle, the heart gets bigger with exercise, although the hearts of the n.b.a. players were about 10% thicker than normal, that was not felt to be dangerous. the research establishes a baseline for doctors going forward. and how does this help us?

distinguish those changes from dangerous heart conditions that can lead to sudden cardiac death. >> reporter: in addition, they found that the aorta, the major artery leaving the heart, is also bigger in these athletes and knowing that will help with future diagnosis. scott, dr. engel says this is now a model for evaluating athletes in other sports. >> pelley: jon lapook, thank you very much, jon. well, soccer's biggest star came through with heart today for his biggest fan. murtaza ahmadi, a five-year-old from afghanistan was photographed wearing a lionel messi shirt made from a plastic bag. it went viral so messi sent him an autographed shirt from argentina's national team. the bag has been retired. up next, a math teacher's formula for success against the

>> pelley: we end tonight with a solution to a math problem that has stumped the best minds for centuries. how do you get school kids to succeed at calculus? here's mireya villarreal. >> reporter: from the outside, lincoln high school does not look like a place that inspires greatness. old, with gates on the windows, in a tough east l.a. neighborhood. >> today is all about making your life easier. >> reporter: but look beyond all of that, and you'll find this man, anthony yom. >> this is almost similar to this guy right here, right? >> reporter: the son of korean immigrants, yom teaches what is

school, advanced placement calculus. >> one of my strategies, really to make sure to provide that environment where kids are not shamed of asking questions. do you get it? >> reporter: his approach to teaching goes beyond calculating the slope of a curve. yom makes his class meet after school, on weekends, and even holidays. the hard work has paid off. >> it's not always fun, but i do know for sure, once they get the score and if i ask them, "hey, was it worth it?" every single one of them say it was so worth it. >> reporter: for three years in a row, every student that has walked into his class has passed the a.p. calculus test. and this year, one student, cedrick argueta, got every question right. >> his style of teaching commands respect and his personality is very likable. he gets to know his students on a personal level. >> reporter: what is the secret here? >> they know that i sincerely care about them, and it's prep for them. >> reporter: with love? >> yeah, with love. >> reporter: cedrick argueta and

l.a. school board and president obama invited cedrick to the white house science fair. the 17-year-old wants to go to cal-tech and become a rocket scientist, while yom's focus is on his next batch of calculus students. >> this is not rocket science. >> reporter: mireya villarreal, cbs news, los angeles. >> pelley: and that's the cbs

the guns are supposed to fall silent tonight in syria where a cease fire is scheduled to take effect at midnight. the temporary truce broked by the united states and russia is designed to allow food and medicine to reach cities and bring the syrian government and its opponents back to the negotiating table. not all the hospital tillties will stop.

elizabeth palmer is on the front lines outside damascus. >> reporter: this used to be a neighborhood. now it's a battlefield where the syrian army says it's got the en enemy on the run. there's been an air strike behind me. we're about five miles from the center of damascus and the syrian army is trying to clear this area of opposition fighters? fighters. there's no cease fire for the moment. he takes us to see buildings half a mile away. overhead we can p hear the helicopters scouting their target, then -- what are they hitting? they're terrorists, he says. those are barrel bombs? yeah.

cannisters filled with explosives rolled out of a chopper. they're cheap, but horribly inaccurate. are there civilians left over there? no, there are only fighters, but there are fighters families cowering under attacks. near by we enter tunnels dug by soldiers where they hid and fought for years. the general in charge leads the way through ruins he now controls. you're still using air strikes in the suburb in order to fight? yes, he says, because they're dangerous for syria and the world so we're just justified in using any weapons that are legal, but that means when this overstretched army does gain ground its victories look like nothing more than a few blocks

by now all sides in this war are completely exhausted and unlikely as it sounds a couple of suburbs over the army has actually negotiated a mini truce with the rebels to allow food and supplies to reach civilians. cbs news. closer to home, another day of severe weather is in the forecast for much of the eastern u.s. the deadly storms spawned tornados as far north to pennsylvania and knocked out power. chip reed is at one tornado site. >> reporter: vincent donald was about to sit down right here to watch tv when the tornado slammed into his mobile home sheering off the roof and wall. do you feel lucky to be alive.

>> reporter: but the tornado tore his neighbor's home from the foundation. a 2-year-old boy and his father died. somehow the boy's mother survived with serious injuries. in near by va 78-year-old man died after a funnel cloud left an eight mile path of destruction. at least three tornados were record in north carolina. in pennsylvania a tornado ripped through amish country hitting farms and this structure. a down pour led to flash flooding around washington, d.c. and left a major road flooded for the morning commute. in the new york area a gust of wind sent this truck airborne. take a look at this. off queens new york 12 foot waves capsized a coast guard

back here in virginia yoo ur u're looking at a photograph of tornado. this was the garage door and that was once the roof. it's a good example much what happens when a tornado meets a building. there are new concerns over the safety of e-cigarettes. a man from kentucky suffered second degree burns when the battery exploded in his pocket. >> reporter: this latest incident caught on tape is raising new concerns about the multi billionaire dollar e-cigarette injury and the batteries. surveillance footage captured the moment josh's pants burst into flames at a kentucky gas station. he runs outside struggling to ditch his clothes before a man douzs him.

had an e-cig blow up inside my pocket. it's the latest incident linked to electronic vaporizers across the country. >> it's supposed to be a safer and healthier way of smoking cigarettes. he was placed in a coma after he says an e-cigarette blew up in his mouth. earlier this week an ohio fire department issued a warning on its facebook charge of a an e-cigarette battery exploded inside the pocket of a victim's lab coat. people reported more than two dozen incidents of explosions and fires caused by e-cigarettes between 2009 and 2014. >> it has the same fuel capability of gasoline. >> reporter: it is linked to the battery.

defects and punctures can cause it to overheat. the batteries are the same type found in many hoverboards which have caught fire. >> in terms. product itself you are comparing apples to apples between what happens in the two. >> reporter: but advocates maintain that explosions from e-seg ritz are rare. they say when charged and used under proper conditions, batteries pose no more of a fire risk than similar batteries that are used in cell phones and lap tops. you should use come padable batteries and chargers and avoid our pocket.

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in 2012 they decided to launch a monthly service providing samplers of premium health products, but first they had to leave san francisco. >> we could just be another start-up on the west coast in the valley, or we can be part of this movement in the midwest. >> reporter: it has 100,000 subscribers and did $5 million community. >> it felt like people in nebraska would bend over backwards to help you. >> reporter: this is silicon prairie and it's remaking cities across the midwest where david co-founded huddle in 2006. >> our pitch is get in here and make a difference. >> reporter: he services sports teams. coaches post their game film to

what is it about linkon that works? >> it's a supportive community. >> reporter: paul compared it like this. >> we have a core value and one of our core values is fire the. [ bleep] >> reporter: you realize that people from new york and san francisco will be watching this? >> that's fine. you know where to find me. >> reporter: another competitive edge, everything is cheaper. the median home here sells for $158,000. >> you can grow your team faster with less capitol, same with our office space. >> reporter: today this area is becoming a mini palto alto. >> just hear from people that come visit and check out the

this is really cool. it is, right? >> reporter: there are challenges. companies have struggling to attract outside talent and investors. 75% of investment last year went to three states, but that's changing. >> i don't think that reflects the distribution of great people with great ideas. >> reporter: steve case heads up revolution, a venture capital firm. it plans to invest close to $1 billion in tech companies inside the coasts. >> some people call it the fly-over country. we think they are great people building great businesses. >> reporter: hulds started with three employees. it now has 400. you are the microsoft. >> it's been an amazing ride. i think that's what the most fun part of it is. >> reporter: huddle has employees working in 14 countries, but it's new

here where it all began. for cbs this morning, nebraska. your smartphone is essentially a portable computer in your pockets, that means it can fall victim to hackers and they do it through apps that you download. a security firm found 80% of the top three apps on android and iphones were breached. the number jumps to 97% among the top paid apps on those devices. >> reporter: whether it's apps that helps advertisers target you or helps hackers rip you off, you'll want to do your homework before downloading apps. >> any way i had money they got it. >> reporter: california susan harvey downloaded an app. >> it was something you

>> reporter: when she went to reload the game she found hundreds of purchases had been made. >> my heart sank. i just sat there looking at it and i physically -- i was sick because i didn't know what they were. >> some of the information these apps ask for are way beyond what they should be asking for. >> reporter: that story is no surprise to cyber security expert whose company tracks malware. >> reporter: what are the consequences for me as a consumer? >> you're going to wonder why there was a transaction, wonder how someone got in your bank account and paid a bill. >> reporter: when you download an app, you're giving the app permission to access other parts of your phone like an alarm clock app that can track phone calls. >> do you think an alarm clock

call information, calls you've made, your device id. this is not a alarm clock. >> reporter: and the weather and flashlight apps as he showed us in a demonstration of what could happen when someone takes a photo of a check to sends to the bank. >> reporter: what happens to the check now. >> it grabs a copy of the it. >> reporter: last year the group discovered 11 malware apps on iphones that sent information to a remote server. the information included text messages, skype calls and photos. apple fought back by removing the apps and putting stricter security measure in place. >> they get at your lists to build a profile on you. >> reporter: some apps are collecting information for advertising purposes.

with a company over the flashlight app alleging it transmitted information to third parties without telling consumers with. but he says he's found a flashlight app that can do more troubling things. >> this turns on your micro phone in the background and sends an encrypted tunnel to a server we discovered in beijing. >> reporter: you're saying they're listening to conversations and sending that audio back to beijing? >> yeah, we've tracked it. >> reporter: where is it? >> on information drive in beijing beijing beijing. >> reporter: he gave a report to the fbi. his recommendation. >> we really have to look at our phone and say this is really a personal computer that fits in our pocket, let's shut down all the apps we don't use, let's delete apps that don't make sense and reduce the rick of

brightest flashlight app seltsed with the ftc. susan sued google over her alleged hack, but a judge dismissed it saying she and her attorney filed too late. google says fusion than 1% of android devices had bad apps. i think we should've taken a left at the river. tarzan know where tarzan go! tarzan does not know where tarzan go. hey, excuse me, do you know where the waterfall is? waterfall? no, me tarzan, king of jungle. why don't you want to just ask somebody? if you're a couple, you fight over directions. it's what you do. if you want to save fifteen percent or more on car insurance, you switch to geico. oh ohhhhh it's what you do. ohhhhhh! do you have to do thattright in my ear? it's not always as easy for me as it is for him... it's easy for me cause look at her.

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the mega hit uptown funk won song of the year, but it could become the center of a lawsuit. a 70s group called the sequence says uptown funk sounds like their 1979 town funk you up. meanwhile the producer is step pg into the spotlight. >> reporter: that opening vocal is unmistakable and so is bruno mars. he's the front man who gave up uptown funk the groove to stay at number one at billboards top 100 for a record 14 weeks. but what's sometime forgotten is that the song actually belongs

of that white limo. >> it's pretty dead on. everyone knows who they're talking about. it's the guy with the guitar and the tall guy. >> reporter: the tall guy is music producer mark ronson. it was his album uptown special that contained the hit song that featured bruno mars. they recorded an agonizing 87 versions and then worried the word funk might be kind of lame. >> even to the last minute there were people were like can you call it uptown funk. >> my guess is if you went up to ten people on the street and said whose song is uptown fupg they would say bruno mars. does it bother you. >> no.

himself producing the critically acclaimed 2006 album. back to black won five grammys. he recalls the casual conversation about her family that led to their biggest hit. >> we were walking around soho in new york and she says yeah they came over to my house and i was like what happened and she was like they tried to make me go to rehab, but i was like no >> reporter: he says he was unaware at the time of how troubled she really was. the oscar nominated documentary amy follows her death at age 27. >> i've seen it twice. >> reporter: what was it like to watch that? >> it's difficult to watch. i love the first hour because it's like spending time with an old friend again. >> reporter: it was his

to another young british woman writing her first album, adele >> she instantly seemed so grown up and mature, not just in her voice, but she knew what she wanted. >> reporter: he produced songs for 19 and adele's latest smash 25. but it was working with music royalty paul mccartny that made him most nervous. >> it was incredible. it's everything rolled in one. you have to get over that i'm working with paul really quickly because you have to be on your toes. >> reporter: these days he is settling into his new found fame and the realizization that it may be hard to top his latest success.

where uptown funk came from, that moment of joy of playing the music you love and then fine-tuning the heck out of it. >> reporter: los angeles. the cbs overnight news will be right back. when the engines failed on the plane i was flying, i knew what to do to save my passengers. but when my father sank into depression, i didn't know how to help him. when he ultimately shot himself, he left our family devastated. don't let this happen to you. if you or a loved one is suicidal,

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johnson and johnson is fighting back against a $72 million verdict. the judgment was awarded to a woman who claims the talcum products caused her ovarian cancer. more than a thousand other cases are pending from coast to coast. ana warner reports. >> reporter: she was diagnosed with ovarian cancer in march of 2013 with. her lawsuit claimed the talcum powder in cars no photogenic the company has known about it for decades.

johnson and johnson's to help them feel clean and fresh. >> it's a feeling you never outgrow. >> reporter: she used them for hygiene for decades. her lawyer says those products ultimately caused her death. >> johnson and johnson knew of the association of talc and ovarian cancer starting back in 1979. >> reporter: the american cancer society says results of studies on a possible link between talcum powder have been mixed with some studies reporting a slightly increased risk and some studies reporting no increase, but the expert for the plaintiff conducted his own study that shows an increased risk. >> there have been more than 20 studies and the majority of these have found an elevated risk.

lawyers introduced into evidence in which johnson and johnson's lawyer said it could be perceived of denying the obvious in the face of all the evidence to the contrary. >> they made a decision not to warn the customers that they were using a dangerous product. >> reporter: on monday a jury ordered johnson and johnson to pay fox's family $10 million and another $62 million in punitive damages. >> the whole fight was for not just for her, but so many other women. >> reporter: johnson and johnson said in a statement it sympathizes with fox's family, but said the verdict goes against decades of sound science proving the safety of talc. it also said the talcum powder it uses meets the highest standards for quality and purity.

for some of you the news continues, for others check back with us a little later for the morning news and cbs this morning. from the broadcast center in new york city. captioning funded by cbs it's friday, february 26th, 2016. this is the "cbs morning news." targeted at random. a gunman opens fire at his workplace killing at least three people before he is brought by a hero cop. >> do you know where donald is now? >> no, no, no. >> reporter: donald trump fender off closest attacks from fell competitors before super tuesday. adding ing