crystals, snowflakes, shells, geometric shapes, flowers, decorative arts such as the tilings of the alhambra palace in spain; they all share something besides what we might call "beauty," and that something that is imicit in the sort of regularity or self-similarity is symmetry, a symmetry we experience with satisfaction and pleasure in our everyday lives. often, that which eerience as symmetry is simply the final picture. but how did that beautiful, symmetric pattern come into being? with some close and careful inspection, anyone can see that symmetry starts with a basic motif which is then manipulated in time and space. mathematicians call such manipulations "transformations," or, though this might be confusing, we also call them "symmetries," thereby identifying the outcome with the transformation tt got us there. for example, start with a basic shape or pattern, say, the number 4. if we flip it over like it's on a mirror, we're using a kind of transformation called a reflection. and that reflection creates what we call bilateral symmetry. this bilateral symmetry seems fundamental to natu

teenager missing for nearly two weeks is safe. 18-year-old ryan menjivar's mom says the successful alhambra high school student couldn't take bullying and left home in the middle of the night. they have been searching for him but the family says ryan is safe and will not go back to school in martinez. >>> the search is on for an oakland woman who went out for a jog four days ago and hasn't come back. the 31-year-old woman was last seen thursday morning near 34th and telegraph. a business surveillance video caught her walking by at 8 a.m. she was supposed to catch a flight to dallas the next day to visit her brother but she never showed up at the airport. >> she didn't check in so that means, you know, she wasn't here to check in, you know, and it's a mother's worst nightmare. >> a friend said she recently lost her husband to cancer but seemed to be doing okay. police say they have information placing her in west oakland sometime after she was reported missing. but they won't elaborate. >>> minimum wage workers in san jose just got a 25% pay raise overnight. the city's base rate jumped today

. >> reporter: recovery would rhomas a big relief for alhambra volunteer who use it for the grad nightars in tool and electronics. >> i can't say enough bad thing about these people. >> reporter: now victims have seen two arrest, one friday, the other tonight for felony burglary and vandalism. the non-profits will look for a more, new secure location. >> the thief know where we are and they know how to break into your building and we have been alarm system and everything that we can and they still break in. so we have to find a new home, but this home has been free to us all of these years. so i don't know what we'll do. >> reporter: those ripped off would like to turn this trickle of recovered item into a torent and if anyone has brought anything with the initials "ffe," christmas for everyone to return those with no questions asked. debora villalon ktvu channel 2 news. >>> alameda county deputies are hoping that surveillance video hike lead them to the killer or killer of a migrant worker. >> reporter: it's tucked hot topic a home on princeton street in unincorporated hayward and now

ryan, a senior at alhambra high school, was reported missing monday night. police consider the 18-year-old at risk but have not explained why. ryan is described at 6 feet tall, 165 pounds, brown hair and brown eyes. anyone with information on his whereabouts is asked to call martinez police. >>> dozens of teaching positions could reportedly be on the chopping block. the school board will consider cutting more than 46 full-time positions in the annual budget meeting on wednesday. teachers must be notified about possible layoffs by march 15th. >>> a new state law banning public school fees is causing a lot of confusion. the law prohibits schools for charging fees for classroom items and activities. schools are prohibited for requiring students to bring certain materials to class. schools and teachers are trying to raise money for field trips and school supplies. they say they're not sure exactly what the law allows. supporters of the law say it was necessary because charging fees was putting a financial burden on low income families. >>> the finishing touches

senior at alhambra high school set to graduate in a few months. works part-time at walnut creek movie complex. >> he's an amazing young man. >>reporter: melissa is ryan counselor at the school. >> i was just talking to him right before he left or disappeared we were talking about graduation. i know he's excited about graduation. excited about going to college next year. none of this makes sense. >>reporter: ryan did tell his parents the night before he disappeared that he had been bullied recently at sky. he told us that people said you are a loser. you won't amount to much. something else like even if you go out and shoot yourself nobody will miss you. >> we just want him back and if he's watching some friend of ryan watching tell him nobody is upset. all we want him to come home and then we'll talk about the issue and if anything going on. >>reporter: now ryan has yet to get his driver's license and the car we are showing you that his parents bought for him recently is still sitting here in the driveway. now with one of his missing posters on th

an alhambra students took a big hit. >> everyone looks toward to grad night. it sucks to hear somebody would ruin that for us. >> the stool puts on a safe and sober -- the school put osen a safe and sober -- the school puts on a safe sober presentation every year. >>> police arrested 45-year-old andre franklin, a convicted felon, in connection with the theft of jewelry. in addition to the january break-in, he's linked to a burglary at the museum in november. the items from that burglary have not been found and police suspect they may have been sold. >>> 7:50. three people accused of stealing a luxury yacht from sausalito, they are due in court today. they are being held on a million dollars bail. now, the 82-foot yacht," the darling "ran aground monday morning in pacifica. police think the suspects broke into the cabin and got the keys. investigators don't know if they knew how to sail but they managed to leave the harbor with no problem. >>> the bay area who lost family members in a boating disasters in 2011 in mexico may soon be getting more information abou