. >> reporter: as a pediatric neurosurgeon, samuel brown helped many kids with concussion. >> we see hundreds of kids a year come through the program for concussion. >> reporter: he reached out to the chair of the mechanical engineering department at the university of washington. >> we came together and tried to solve this problem. >> reporter: over the last two and a half years they came up with this, a four-layer helmet with a shell that absorbs impact, a layer that prevents skull fractures and another that improved the fit for athletes. >> reporter: and it has a semisoft exterior shell. in this video they show why that matters. >> it's a high-tech layered design, completely different from the existing helmets. >> we are finding we are seeing significant improvements in what's compared to the helmets that are available today. >> now we have a company with a helmet that's ready for starting manufacturing. >> reporter: if it passes the final safety test, they hope to have nfl and college athletes using it as soon as the 2016 season, and eventually make it available to all sports that

surgeon and medical historian samuel >> brown: surgeon and medical historian dr. burns served as consultant to the series. >> this is what they call a capitol operating kit. this is what a surgeon used during the war, and there were several of them at each regiment-- or should i say, one at each regiment and several for each brigade. and these are the instruments they used, and we show them in scenes. and so, this is a capitol amputation saw. >> brown: how do you do an amputation? >> they actually took the saw around the arm and then, in one fell swoop, cut it off. the whole amputation. if the surgeons were slow, it would take five minutes, but an good, experienced surgeon could do it in two or three minutes. >> pbs was such a natural home for it, and i think in many ways we designed it for pbs. >> if we tried to tell the story in a lot of other places, there would be a lot more pressure to stray from the facts, from the history. >> brown: the six-part mini- series "mercy street" premieres sunday night. from richmond, virginia, i'm jeffrey brown for the pbs newsho

samuel muster: "50:15 super bow 50, lets go we're going to do it" kickoff is at 8-15, saturday, here at paul brown stadium. and we'll have coverage all day long, leading up to the game. live at p-b-s, t.j. parker, 9 on your side. if you can't get to game - fountain square is hosting a watch party saturday night. until 11 so you can skate and watch the game at the same time. you can't talk about the bengals game without talking about the weather.some wet weather. weather. 9 first warning chief meteorologist steve raleigh joining us.steve - any good news for fans going to the game or fountain square? spotty, light showers will also continue on saturday, and i'm keeping a good chance of remember 9 on your side is your station for playoff coverage.our special coverage starts saturday after the kanas city - texas game.and a special one hour edition of sports of all sorts will air a local radio host joins the mission. mission.on the ground in a wildlife refuge in oregon.how one local man says this high-profile standoff will end. stocks plunge the most in months.we're on your side with what to keep in mi

an impressive 41 movies under his belt and ford of samuel jackson and templates earnings at 4.4 $6 million, thanks morgan freeman and the murphy brown the top five still had the news week and the bart police and for a man who shot and killed a person aboard a train last night we have the latest on the search for the suspect coming up and a suitable celebrations underway every harbour is live at levi 8 this morning three times will champion roger craig will have that interview coming up after the break it's about time the taco...came out of its shell. unleash the power of dough. give it a pop. that sound. like nails on a chalkboard. but listen to this: (family talking) that's a different kind of sound. the sound of the weekend. unleash the power of dough. give it a pop. >> marty: that as the trail of stopping at the west of from station witnesses the killer stood up and opened fire and took off running when the train doors open. we talk to some witnesses who saw and heard. shooting. station. police have not yet released a detailed description of the shooter. good morning. taking a live looka dry start to this sunday as >> reporter: l

samuel l. jackson the second player is tim jackson of 4.6 billion and tom hanks morgan freeman and eddie murphy brownout this morning donna the maquette for international all show. after trying brookside crunchy clusters, @carlybeyar tweeted: at this point, i should just be a brookside chocolate ambassador. well, i am sorry, carly... it's something you earn. brookside. talk about delicious. not getting your best sleep? could be you've got the wrong bed. enter sleep number... she likes the bed soft. he's more hardcore. you can both adjust the bed for the best sleep of your life. find the lowest prices of the season, going on now. save $600 on the #1 rated i8 bed. only at a sleep number store. >>jackie sissel: has the power ball jackpot rose started the line to buy wheat and salmon runs a will to you all these people come to this store. >>male announcer:this is the bay area news station,kron 4 morning news starts now >>anny hong: tech on the rest of today here was what we expected for this morning >>mark: recon is where fog will complete are still looking for the man who shot and killed a passenger of