. >> andy mahoney is a geophysicist at the university of alaska, fairbanks. he's been studying polar sea ice for 15 years. >> regardless of whether those changes are positive or negative for some people, rapid change is always an alarming thing to see. >> there's much more science to be done - luckily here - the days are really long. >> the sun just is not gonna to set. we're that far north up here in the arctic. >> coming up the techknow teams heads north, and straight into this... when techknow's journey to the arctic returns. >> you're the first one on the scene. suicides, homicides, the roof is crushing into somebody's chest. >> what is the number one cause of death for police officers? >> suicide. >> july 10th, 2015 - we've been in the arctic for two days and still no sign of ice. meanwhile, i'm learning my way around the coast guard cutter healy - sort of. of course the crew make getting around even the tightest spaces look easy. but on the third morning - this happened. >> last night when i went to bed it was open oceans, this morning when i woke up -

brigadier general james mingus, sergeant andrew mahoney, who was awarded a silver star for joining flon confronting the attacker, sergeant first class brian brink, who was awarded a bronze star with valor for pulling flo from the road, specialist daniel balderrama, the medic who helped to save flo's leg, private first class benjamin secor, and sergeant eric ochart, who also served with distinction on that day. gentlemen, i'd ask you to please stand and accept the thanks of a grateful nation, as well. at walter reed, flo began his next mission -- the mission to recover. he suffered significant nerve damage, and almost half of the calf muscle in his left leg had been blown off. so the leg that had powered him around that track, the leg that moved so swiftly to counter the bomber -- that leg had been through hell and back. thanks to 33 surgeries and some of the finest medical treatment a person can ask for, flo kept that leg. he's not running, but he's doing a lot of crossfit. i would not challenge him to crossfit. [laughter] president obama: he's putting some hurt on some rowing machines

. >> reporter: sergeant andrew mahoney and groberg knew instinctively this was a suicide bomber. >> he wasn't looking at us. >> reporter: the two americans rush the bomber pushing him away from the other americans. >> reporter: this was a walking bomb and both of you confronted him. >> i hit him, grabbed him, start pushing him and threw him. mahoney comes and pushes him down and then he just detonated at my feet. >> reporter: miraculously both survived the blast. three american soldiers and a foreign service officer were killed. groberg was seriously wounded. after three years of rehab and 33 surgeries, he's back on his feet. today a visibly emotional groberg was at the white house where he received the medal of honor from president obama. >> on his very worst day he managed to summon his very best. >> reporter: long after afghanistan, he still wears a bracelet with the four who died. >> we do the best we could as a team and it's combat. that's the reality of it. >> reporter: jim miklazewski, nbc news, the pentagon. >> that will do it for us on this thursday night. i'm lester holt. for

groberg and mahoney threw him to the ground. >> when he blew up, his chest first blew up into the ground and took the impact which is probably the reason why i'm here talking to you here today. >> reporter: and why so many other soldiers who were there were in the audience today. but moments later, a second suicide bomber hiding inside a nearby building detonated his vest, and between them, the bombers killed four men, which made it the worst day of groberg's life. >> this medal that i will be receiving, i'd-- i'd turn it right back in right now, say no thank you. bring my guys back right here. >> reporter: that's what it feels like to be a war hero. david martin, cbs news, washington. >> pelley: and that's the cbs evening news for tonight. for all of us at cbs news all around the world, good night. the son of a polish immigrant who grew up in a brooklyn tenement. he went to public schools, then college, where the work of his life began -- fighting injustice and inequality, speaking truth to power. he moved to vermont, won election and praise as one of america's best mayors. in congress,

groberg and mahoney threw him to the ground. >> when he blew up, his chest first blew up into the ground and took the impact which is probably the reason why i'm here talking to you here today. >> reporter: and why so many other soldiers who were there were in the audience today. but moments later, a second suicide bomber hiding inside a nearby building detonated his vest, and between them, the bombers killed four men, which made it the worst day of groberg's life. >> this medal that i will be receiving, i'd-- i'd turn it right back in right now, say no thank you. bring my guys back right here. >> reporter: that's what it feels like to be a war hero. david martin, cbs news, washington. >> pelley: and that's the cbs evening news for tonight.

mahoney also studies ice movement. ice floes are constantly drifting and can move hundreds of miles within weeks. >> that's why it's important to understand ice motion. and you can do that with radars like on this ship. >> in 2014 the national academy of sciences released this report on the state of science and technology to respond to an arctic oil spill. the report found that "oil trapped within pack ice tends to move with the ice, which is in turn driven by currents and winds". oil under ice can also be a challenge according to unh's nancy kinner. >> if the oil is released under a sheet of ice, how do you find where the oil has gone once it's released? because you can't just look down into the water or look easily and see the slick. so that makes it a problem - detection. >> jip researchers are currently tesing sensors to detect oil under ice in an ice field they created in this lab in fairbanks alaska. >> so we could go out in all weathers and detect an oil spill, no matter where it might occur, in the arctic. >> o

groberg and mahoney threw him to the ground. >> when he blew up, his chest first blew up into the ground and took the impact, which is probably the reason why i'm here talking to you here today. >> reporter: and why so many were in the audience today. but moments later, a second suicide bomber hiding inside a nearby building detonated his vest, and between them, the bombers killed four men, which made it the worst day of groberg's life. >> this medal that i will be receiving, i'd-- i'd turn it right back in right now, say no thank you. bring my guys back right here. >> reporter: that's what it feels like to be a war hero. david martin, cbs news, washington. >>> and that's the "overnight news" for this friday. for some of you, the news continues. for others, check back with us just a little later for the morning news. of course, "cbs this morning." from the broadcast center in new york city, i'm scott pelley. >>> this is the "cbs overnight news." >>> the islamic state is claiming responsibility for a pair of suicide bombings in the heart of beirut. the target -- a shiite neighborhood that

groberg and mahoney threw him to the ground. >> when he blew up, his chest first blew up into the ground took the impact, which is probably the reason why i'm here talking to you here today. >> reporter: and why so many other soldiers who were there were in the audience today. but moments later, a second suicide bomber hiding inside a nearby building detonated his vest, and between them, the bombers killed four men, which made it the worst day of groberg's life. >> this medal that i will be receiving, i'd-- i'd turn it right back in right now, say no thank you. bring my guys back right here. >> reporter: that's what it feels like to be a war hero. david martin, cbs news, washington. >>> and that's the "overnight news" for this friday. for some of you, the news continues. from the broadcast center in new york city, i'm scott pelley. >>> this is the "cbs overnight news." >>> welcome to the "overnight news." >>> the islamic state is claiming responsibility for a pair of suicide bombings in the heart of beirut. the target -- a shiite neighborhood that's a stronghold for hezbollah. the bomber

one of flo's comrades, sergeant andrew mahoney, had joined in too, and together they shoved the bombernd again, and they pushed him so hard he fell onto the ground on his chest x then the bomb detonated. ball bearings, debris, dust exploded everywhere. flo was thrown some 15 or 20 feet and was knocked unconscious, and moments later he woke up in the middle of the road in shock. his eardrum was blown out, his leg was broken and bleeding badly. still, he realized if the enemy launched a secondary attack, he'd be a sitting duck. when a comrade found him, flo had his pistol out, dragging his wounded body from the road. that blast by the bridge claimed four american here res. heros. four heroes flo wants us to remember today. one of his mentors, a 24-year army vet who always found time for flo and any other soldier who wanted to talk, command sergeant major kevin griffin. a west pointer who loved hockey and became a role model to cadets and troops because he always cared more about other people than himself, major tom kennedy. a popular air force leader known for smiling with his whole face

groberg and mahoney threw him to the ground. >> when he blew up, his chest first blew up into the ground and took the impact, which is probably the reason why i'm here talking to you here today. >> reporter: and why so many were in the audience today. but moments later, a second suicide bomber hiding inside a nearby building detonated his vest, and between them, the bombers killed four men, which made it the worst day of groberg's life. >> this medal that i will be receiving, i'd-- i'd turn it right back in right now, say no thank you. bring my guys back right here. >> reporter: that's what it feels like to be a war hero. david martin, cbs news, washington. >>> and that's the "overnight news" for this friday. for some of you, the news continues. for others, check back with us just a little later for the morning news. of course, "cbs this morning." from the broadcast center in new >>> it's friday, november 13th, 2015. this is the "cbs morning news." >>> the united states goes after one of the most recognizable figures within isis. the executioner known as jihadi john is targeted in a u.s.

one of flo as comrades, sergeant andrew mahoney, had joined in, too.her they shoved the bomber again and again and they pushed him so hard, he fell to the ground onto his chest and then the bomb detonated. ball bearings, debris, dust exploded everywhere. flo was thrown some 15 or 20 feet and was knocked unconscious. moments later he woke up in the middle of the road in shock. his eardrum was blown out, his leg was broken and bleeding badly. still, he realized that if the enemy launched a secondary attack, he'd be a sitting duck. when a comrade found him in the smoke, flo had his pistol out, dragging his wounded body from the road. that blast by the bridge claimed four american heroes. four heroes flo wants us to remember today. one of his mentors, 24-year army vet who always found time for flo and any other soldier who wanted to talk. command sergeant major kevin griffin. a west pointer who loved hockey and became a role model to cadets and troops because he always cared more about other people than himself. major tom kennedy. a popular air force leade

one of flo's comrades, sergeant andrew mahoney, had joined in, too. and together they shoved the bomber again and again. and they pushed him so hard he fell to the ground onto his chest, and then the bomb detonated. ball bearings, debris, dust exploded everywhere. flo was thrown some 15 or 20 feet and was knocked unconscious. and moments later he woke up in the middle of the road in shock. his eardrum was blown out. his leg was broken and bleeding badly. still he realized that if the enemy launched a secondary attack, he'd be a sitting duck. when a comrade found him in the smoke, flo had his pistol out, dragging his wounded body from the road. that blast by the bridge claimed four american heroes. four heroes flo wants us to remember today. one of his mentors, a 24-year army vet who always found time for flo and any other soldier who wanted to talk. command sergeant major kevin griffin. a west pointer who loved hockey and became a role model to cadets and troops because he always cared more about other people than himself, major tom kennedy. a popular

just a tiny little bit of a >>> kathleen mahoney in new jersey will watch us on a brand new flat screenv because she was a bonus winner. >> you can win, too. all you need is monday's buzz word, be at least 18 years old and be a legal u.s. resident. >> the buzz word is coming up in just a minute. >> stand by for the ipad giveaway. >>> a wave of crime breaking across my own stomping grounds in the southeast of england. police are looking for this fella. the fella in gray is looking for something in an engagement ring. he wanted to take his one karat diamond ring worth about $7600. he's checking out under the light, checking out from distance, closeup. this is where he starts looking around, looking behind him to see is there anyone in the way before i go running towards the door. three, two, one. >> he got ghosted. >> in the blink of an eye gone with $7600 on his pinky finger. the woman who was helping him flabbergasted trying to chase after him. by that point he is gone. >> we got a beautiful look at his face and police are looking to see if anyone can identify him. there are more crimes

brigadier general james mingus, sergeant andrew mahoney, who was awarded a silver star for joining floconfronting the attacker, sergeant first class brian brink, who was awarded a bronze star with valor for pulling flo from the road, specialist daniel balderrama, the medic who helped to save flo's leg, private first class benjamin secor, and sergeant eric ochart, who also served with distinction on that day. gentlemen, i'd ask you to please stand and accept the thanks of a grateful nation, as well. [applause] president obama: at walter reed, flo began his next mission -- the mission to recover. he suffered significant nerve damage and almost half of the calf muscle in his left leg had been blown off. so the leg that had powered him around that track, the leg that moved so swiftly to counter the bomber -- that leg had been through hell and back. thanks to 33 surgeries and some of the finest medical treatment a person can ask for, flo kept that leg. he's not running, but he's doing a lot of crossfit. i would not challenge him to crossfit. [laughter] president obama: he's putting some hur

. -- mahoney oney valley was amazing. you can see all the other factory buildings.t was hard to tell where one began and where the other one ended. >> the company by the 1940's was one of the largest steel companies in the nation and the largest employer in the state of ohio. in the 1950 census there were about in the mahoney valley a little over 20,000 people. of that, 70,000 worked in steel or a related industry. f that 70,000 40,000 were in the steel production. certainly it's porn because you need to manufacture munitions d that sort of thing for a proverbial hot war. the korean war was a hot war and they needed steel for munitions, tanks, for jeeps, for all of those things that you knee -- needed in the second world war. that was going to be a real problem because of the things that an army and navy need, an ir force needs to fight a war. >> let's set the stage to actually cause the steelworkers to want to go out on strike? what were the conditions? >> well, it was the view of the laborers that the industry was making it a tremendous amount of money. and that m

nell mahoney for her years of columns in the chattanooga times free press, my hometown paper. nell has written for the paper for 3 years. her column has covered a wide array of topics, but largely focused on faith and spirituality. her words touched many in the community, including my wife, brenda, who eagerly awaited her column every sunday. nell moved to chattanooga with her late husband, the reverend ralph mahoney, in 1965 and immediately engrained herself in the methodist church and the entire town. mr. fleischmann: while her column may be finished, her community involvement is certainly not. ms. mahoney plans to continue teaching at the church, speaking around the community and is considering writing a book she has already written and published. thank you for giving so much of your time and touching so many people throughout our community. i'll close from a line -- i'll close with a line from her favorite song. so long, farewell, and thank you, ne will, l. mr. speaker, -- nell. mr. speaker, i yield back. the speaker pro tempore: the gentleman yields back the balance of hi

. >> mahoney hopes disabled vets will benefit from the boards down the road. >> there are see many parallels and how it relates to mental will and emotional balance. >> it is great, great board and great time, yeah. >> and coda stands for knights of the era. it was given to earliest fighter pilots and we thank you for introducing us to mike and the wonderful story. >> did you try out the board in an effort to do research? did you take it for a spin? >> reporter: no, when i tried to get on it this morning, the crew said don't do that. it is hanging here and it is pretty. >> it is it pretty and a work of art and we'll make sure the viewers can check it out. thank you and great to see it on air. >> elsewhere in the work force, there is unrest and you might notice it in your own city. fast-food workers walking off the job and demanding $15 an hour. tens of thousands of workers plan to hold rallies today. it kicks off a grassroots. fight for 15. and vowing to back the candidates who supports their cause. >> fox news alert. new information on the fight over immigration. justice department will see

there are eight mahoney's locations in massachusetts. the program runs through december 5th. >> what a great idea. >> kidding. and $30. >> glad i heard about that. >>> time for the weather. you were saying it's 10 degrees different than yesterday. >> it's 30 degrees in boston right now which is the coldest start of the season. a lot of the suburbs are in the tens and 20s right now. we've had colder starts with the wind going around. 24 in plymouth only in the teens. the current real-feel, that windchill is 22 degrees in boston. it is 11 degrees in worcester. so you want to be bundled up. make sure the kids have the heavy winter coat on as well. grab the shades, too. the sun will be shining. we have snow to our west. the sign of the season, right? it's lake effect snow showers. we'll get clouds that mix in at times today. other than that, our quiet stretch continues here. high pressure will be the dominant feature on the map the next couple of days. tomorrow travel weather looks fantastic across the region anywhere in new england down thr

mahoney's garden centers are working with the trees for troops program. for $30, you can buy a special tree that will be delivered to families at more than 65 military bases around the world. there are 8 locations in massachusetts. the program runs through december 5. >> well, with a name like tom, you are bound to be called a turkey at some point. coming up, which famous tom is getting into the part and giving his kids the scare of >>> 55. tom brady fully embraced thanksgiving with his family and may have created a new tradition. brady dressed up in a costume, hid in the leaves and jumped out to scare his kids. i think they are a little scared, obviously. he posted it on facebook with the message, "so thankful for everyone's support this year. happy thanksgiving to all, hashtag turkey tom." he's even got the sound effect. love it. that's so cute. >>> top stories and update on your accu-weather forecast coming up at the top of the hour. believe it or not, pretty mild out there this morning. not a bad way to wake up on a saturday. i'm going to go grab anot

. >> when the explosive detonated, arrest jent mahoney suffered a an injury to his arm. growburg left with a damaged leg. the brave i have earned him a silver star and thursday will deliver a medal of honor at the white house. growburg is only the tenth living person to receive it that served in afghanistan. but the resident says the award isn't about him. >> this gives me an opportunity to represent the true heroes that didn't make back that day. >> they are the true heroes. they ar that made the ultimate sacrifice. >> in arlington, kellye lynn, abc7 news. alison: so deserving of that honor. meanwhile a k-9 with d.c. fire and e.m.s. we have learned will be off the job for several weeks. the dog is named rue and a fire spokesman tells us the handler noticed that the dog was sluggish this week and he took him to the vet. raph a scan, surgery required to remove blockage from the intesteins. he will -- intestines. he will be away from work for a few weeks. they'll miss him a lot. leon: touchy situation. find out why target is defending a holiday sweater tonight. alison: but

zack mahoney finds steve ismael in the slant. 17-7. orange. eagle also fight back. under three minutes to go, down by 3, colton lightenberg with the field goal to tie the game with syracuse, goes 51 yards on ten plays. cole murphy's field goal. the orange win it 20-17. jeff smith was 1-13 for nine yards passing -- nine! and one interception. the number one defense in the country. >>> it's more than a game. the needham wellesley rivalry is the longest consecutive high school football rivalry in the country. coming up at 6:30, we are bringing you inside access to it all. half-hour special that brings us inside. it's more than a game. here is a preview. >> we executed again. beat needham again in practice. >> your opportunity to involve yourself in one the most story yourself in one the most storied rivalry country. >> make your mark on this rivalry. >> it's the game that always comes up. >> i don't relive any other game than i ever played other than the wellesley game. >> less than 24 hours, let's go. >> the distraction level will be unprecedented tomorrow. you are pl

. >> customers can purchase a tree for $30 at mahoney's garden center and they will help a military family at more than 65 bases in the us and overseas. last year they donated more than 2,000 trees for troops. >> each year we always get cards back from the families thanking us and thanking the people directly by way of christmas cards headed back to thanking them for support for the military. year by accepting donations at all of its locations, online or even over the phone, as well. >> again, another program i just, you know, that's amazing. >> that's fantastic. >>> up next, response times for boston's emergency medical services is getting longer. >> how long it takes for paramedics to respond to a delays. >>> and a special look at britain's youngest royal and these shots. catch holiday-cookie cheer on the tip of your tongue with dunkin' donuts' holiday- cookie-flavored coffees. after 12:00 p.m., enjoy any medium latte or macchiato for $1.99. . >>> today, the first of six baltimore police officers will stand trial for the death of freddie gray. gray died of a severed spine while in police

one of flo's comrades, sergeant andrew mahoney, had joined in too, and together they shoved the bomber again and again. they pushed him so hard he fell to the ground onto his chest and then the bomb detonated. ball bearings, debris, dust exploded everywhere. flo was thrown some 15 or 20 feet, and was knocked unconscious. moments later, he woke up in the middle of the road in shock. his eardrum was blown out, his leg was broken and bleeding badly. that blast by the bridge claimed four american heroes. four heroes flo wants us to remember today. one of his mentors, a 24-year army vet who always found time for flo and any other soldier who wanted to talk: command sergeant major kevin griffin. a west pointer who became a role model to cadets and troops because he always cared more about other people than himself: major tom kennedy. a popular air force leader known for smiling with his whole face, major david gray. and finally, a usaid foreign service officer, who had just volunteered for a second tour in afghanistan, a man who moved to the united states from egypt and reveled in everything