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SAN DIEGO (KGTV) -- For over a decade, SDSU associate professor of chemistry Gregory Holland has been researching spiders and particularly black widow’s silk.They’ve come to the realization, through their research, that the properties of black widow silk are stronger than steel and tougher than the Kevlar in bulletproof vests.Gregory Holland, SDSU associate professor of analytical chemistry and Northwestern chemistry professor Nathan Gianneschi said their collaboration shows the organization of the molecules involved in silk production is more complex than previously thought.There are companies that use synthetic spider silk but its the specific black widow spider silk that has the top tier benefits.“The synthetic spider silk its not a bad material, its just not as good as the real thing," Holland said.Holland says the company that creates synthetic silk actually has partnerships with Adidas and Patagonia. "The most important thing is a spider does it low energy, environmentally friendly. It’s just protein water and salt”.Once they reach the point where they’re able to identically replicate the silk of a black widow spider, the artificial version could be used in building materials for bridges or environmentally friendly replacements for plastic.Black widows (Latrodectus hesperus) spin a lightweight thread much stronger than that of other spider species, with draglines that can stretch an extra 25 percent of their length before snapping.The composition of the spun silk fibers was previously identified, but the structure of the proteins involved in producing them has been more of a mystery, now one step closer. 1650

SAN DIEGO (KGTV) - Former Congressman Darrell Issa is standing behind a political ad that the San Diego chair of his own party has called highly inappropriate.The ad, running on local television, takes aim at Carl DeMaio, a key Issa opponent in the race to replace Duncan Hunter in California's 50th Congressional District. The campaign commercial presents itself as a retort to a recent DeMaio ad that questioned Issa's dedication to President Trump. Issa's ad turns that around. However, the attacks appear to get personal. The ad uses images of two news article headlines in The Hill and The Los Angeles Blade that describe DeMaio as "Gay." It also uses images of MS-13 gang members when talking about DeMaio's stance on a path to citizenship for illegal immigrants (DeMaio said in The Hill article that he supports a path for well-educated immigrants and those who came to the U.S. as children.)San Diego Republican Party Chair Tony Krvaric described the ad as highly inappropriate."We encourage all candidates to stick to the issues," he said. At a news conference Thursday, Issa defended the ad. 1110

SAN DIEGO (KGTV) -- He's known as "The Master of Disaster."Dr. Randall Bell is a real estate damage economist with Landmark Research Group."I basically focus on properties that have been damaged. It can be environmental damage, geotechnical, landslide, and of course, crime scenes come up all the time, and that creates a lot of interest," said Bell.Bell has studied several of San Diego's infamous homes. The former Fallbrook home of Summer and Joseph McStay is one of them."The McStay property is really a mess because sadly, four people died, and anytime children are involved in a crime, that really turns up the dial when it comes to the residual stigma on the property," said Bell.Last January, a jury sentenced Chase Merritt to the death penalty for killing the family with a sledgehammer and then burying their bodies in a shallow grave in the desert.The family disappeared in 2010; more than three years later, their bodies were found.Merritt and Joseph McStay had been business associates.The Spreckels Mansion in Coronado is another infamous home in San Diego County.Coronado-based real estate agent Scott Aurich first sold the historic property to Jonah Shacknai in 2007."You know that history was so documented, both with newspaper and with media, all kinds of stories going on like that, everybody pretty much knew what happened, but we shared it," said Aurich.What happened inside the home is still a mystery to many, including Aurich."I probably was as close to this as anybody in terms of knowing the players, and I still couldn't tell you what happened," said Aurich.In 2011, Jonah Shacknai's six-year-old son Max fell from the second story banister. At the time, Shacknai's girlfriend, Rebecca Zahau, was caring for Max. A few days later, the child died from his injuries, and Zahau was found bound, gagged, and naked hanging from a second-story balcony.Although Max's death was ruled an accident and Zahau's a suicide, Zahau’s family has always maintained that she was murdered. Adam Shacknai, Jonah's brother, was found liable for her death in a civil suit.Aurich sold the home last March for million, roughly 35% lower than the market value."The house itself is more a piece of Coronado's rich history in the architecture of the house," said Aurich.Farther north in Escondido, there was another notorious home. The so-called bomb factory generated national headlines just weeks before Christmas in 2010."The guy who had the bombs, he was a renter. So, the landlord is the one kind of stuck with the problem," said Bell.Investigators say the rental home of George Jakubec was home to the most massive cache of homemade explosives in a single spot in the United States. The property was so dangerous that the sheriff's department ultimately decided to do a remote-controlled burn of the house.Today, it's a concrete slab with no trespassing signs. It's unclear what the owner plans to do with it. Jakubec is serving a 30-year prison sentence."What people don't realize is that stigma goes to the site, so even though the house is gone, there can still be a stigma there even though that was 10 years ago, it can linger," said Bell.It's been nearly 30 years since a La Jolla socialite named Betty Broderick killed her ex-husband and his new wife as they slept. The Marston Hills home has been the focus of a book and movie.Bell has tracked multiple sales of the house since the murders. He said it has struggled to keep up with market value."Crime scene stigma is interesting, you can have anything from no impact and rare situations, but it does happen, to 100% impact, I've seen cases where there's a premium paid, that's very unusual, typically, you see a 10 to 25 % loss of value," said Bell.There is one property that stands out the most to the international appraiser."I'm often asked which is the most bizarre case, and I think it comes back to Heaven’s Gate," said Bell.A Rancho Santa Fe Mansion was the scene of the Heaven's Gate cult and the largest mass suicide on U.S. soil. Thirty-nine members of the cult drank a lethal cocktail for three days back in 1997.In the end, neighbors pitched in to buy the home and tear it down. Even the street was renamed."What I saw in the house was disturbing. The house was demolished, I've never seen a more thorough job done in terms of demolishing everything, the tennis courts, the swimming pool, the fences, the lawn, absolutely 100% of everything, the site has been rebuilt on, but, as I say, the stigma goes to the site, so there could still be lingering issues," said Bell. 4559

SAN DIEGO (KGTV) - Driving on roads in San Diego during the holiday season can be a headache, as residents and tourists alike deal with increased traffic caused by extra congestion. This year, during Thanksgiving week, the roads have been a little bit safer, according to statistics released by the California Highway Patrol. San Diego County DUI arrests and auto fatalities were both down from last year, for the time period between Wednesday at 6:00 p.m. and Friday at 6:00 a.m. Going into the weekend there have been a total of 21 DUI arrests recorded in San Diego, a decrease from 27 arrests from 2017. RELATED: Check 10News?traffic updatesThe results are also reflected across the state, where the 294 DUI arrests are down from 386 a year ago. There have been no fatal car accidents in San Diego, compared to one at this time last year. Across the state there were 17 car accidents resulting in death, compared to 19 in 2017. The CHP reports that of the 13 fatalities that occurred in their jurisdiction, five were not wearing seat belts.  1142

SAN DIEGO (KGTV) - Feeling lucky? Friday’s Mega Millions jackpot is 8 million and climbing.No one won the Christmas Day prize of 1 million. The winning numbers for the Tuesday, Dec. 25 drawing were: 02, 08, 42, 43, 50; Mega Ball: 06.It costs to play, though the odds of winning the jackpot are one in 302 million.You have until 7:45 p.m. to buy your ticket, according to the California Lottery website.Looking for a lucky store? Anyone planning to purchase a ticket can find the closest retailers here . "Lucky retailers" qualify as spots that have paid out on average ,000 per week in winning tickets. 622