. >> reporter: lane patterson is a senior grow at the farm. >> photosynthesis occurs at the two wavelengths, the red and blue. 60 and 40 nanometres. we are saying "here is the light that you really, really, really light." touch these lights. feel how cool they burn up top. hot. >> they don't generate a lot of heat. you can put them closer to the plants and stack the trace. we have 10 levels, we could probably get 15. this is a mint. taste that. tell me how you like it. >> reporter: so good. >> what is most amazing is how dark it is, and you pull it out into the light is see how green it becomes. >> reporter: warehouse growers are not the only ones turning to l.e.d.s, here researchers are testing them, to see if they can give plants a boost on short winter days. >> this opens possibilities. >> kerry mitchell is a professor of applicant physiology. >> we are showing that you can save considerable payments of electrical power using l.e.d.s. that will make it economically feasible for greenhouse growers to grow plants like the high wire tomatoes in the off season. >> researchers are studying re

headquarters, steve patterson cbs-3, ooh i witness news. >> and steve detective are also investigating a deadly shooting outside a chain east restaurant. it happened at 56th and green lane. philadelphia's kingsessing neighborhood. now, police say the victim in his early 20's shot in the chest around 12:45 saturday morning. pronounced dead at the scene. police are not yet release the victim's name. so far there no area he cents. >> right now the search is on for gunman who stole a television from the wal-mart in south philadelphia. police say the suspect walked out of that store, with the tv in his shopping cart. after refuse to go show a receipt to the store security guard, police say the 38 year old suspect pulled up his shirt to show there was handgun concealed in his waistband. no one was hurt in that incident. >>> some 40 world leaders are in france today, for massive unity rally following a terror attack. the israeli prime minister and the palestinian president are among the dignitaries participating in that rally. thousands packed france's enormous plaza to pay tribute to the victims and show unity against terrorism. >> the rally in paris is a huge security challe

"eyewitness news" reporter steve patterson is on the scene where traffic finally is getting back to normal there. steve. >> reporter: jessica, all lanes of the blue route back opened this afternoon but for a good five hours southbound was shut down only cbs3 on the ground as crews started removing pieces avenue horrifying accident. we spoke to drivers who witnessed it all. even for a few minutes, it is hard to look at. cars mangled sliced in half where drivers once sat behind the wheel. >> it's pretty horrific. >> reporter: stuck in its wake this commuter spent five hours staring at it but she counts herself lucky. >> i was kind of shaken up. it easily could have been me. >> reporter: patel was on her way to work at a nearby hospital at about 7:30 this morning. then she along with dozens driving southbound on the blue route in broomall forced into a harrowing moment. >> i started pumping my brakes. >> reporter: ahead three cars slaming into a jackknifed tractor-trailer killing two drivers. >> we feel very fortunate that we weren't involved in it. it's just pure luck. >> reporter: the accident is under investigation but when drivers st

lane kiffin wears shapeups and number six. gus malzan and number five i'm a ginger. and number four says sign. number three, i'm too drunk to taste this chicken. number two, gary patterson sign and the number one sign of 2014 i stole everyone's corn dogs. i don't know what that means but i love it. congratulations. it's not over yet. if you're coming to texas for the championship game you can compete to be lord of the poster board. bring your sign and at the the #lotpb and hold it up for all to see. >> that all important hashtag. i put up a sign friday. >> i saw that. >> it works. >> you're not eligible though, robin. i'm sorry. it has to be a member of the crowd. >> those who are eligible any suggestions? >> you know what i think cleverness is important. try to make a nice sign. some signs looked like they were scrolled with somebody's left foot. most importantly, profanity is not acceptable. don't put anything we can't put on television on the sign. but you have to have the #lotpb in order to make it. it's the most hallowed trophy. >> even more so. >> even more so. >> it seems like you never leave home without gear and your cousin sal. >> the crowd goes crazy when the