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SAN DIEGO (KGTV) - It's going to be a great weekend for eating, drinking, and comic book reading in San Diego.The traveling Tequila and Taco Music Festival returns to Embarcadero Park, featuring, you guessed it, tequila, tacos, and great music.For those who won't be attending Comic-Con this summer, San Diego Comic Fest is back with a more casual, intimate approach to all things comic fandom.San Diego's historic Chicano Park will also celebrate Chicano Park Day with a free festival for families in Logan Heights, as well.Here's what's happening in San Diego this weekend:THURSDAYCody JohnsonWhere: House of Blues San Diego; Cost: - Country music star Cody Johnson and his band head to House of Blues Thursday. Mike & the Moonpies will also be in the house for some country music fun. Josh WolfWhere: American Comedy Co.; Cost: (Thursday through Saturday) Comedian, actor, and writer Josh Wolf heads to San Diego with his quick-witted commentary and brutal honesty. 1019

SAN DIEGO (KGTV) - Imagine having the power to change your body’s temperature at any time, regardless of how hot or cold it actually is. UC San Diego engineers are on they’re way to doing just that, with a wearable patch.Like a thermostat, it can be changed to a specific temperature, warming or cooling the body, using far less energy than an air conditioning system. “Cooling is a really important issue faced by society today. If you look at news reports there are extreme weather conditions, for example in India, peak temperature could be over 50 degrees Celsius in July," said Renkun Chen, a Professor of Mechanical and Aerospace Engineering at UC San Diego.The patch is made up of thermoelectric alloys - materials that use electricity to create a temperature difference and vice versa - sandwiched between stretchy elastomer sheets. The device physically cools or heats the skin to a temperature that the wearer chooses. The patch is powered by a flexible battery pack. It is made of an array of coin cells all connected by spring-shaped copper wires and embedded in a stretchable material. The system also includes a stretchable circuit board.By regulating the temperature around an individual person, rather than a large room, the smart fabric could potentially cut the energy use of buildings and homes by at least 15 percent.The technology could also be used for people who work in extreme environments, like firefighters or miners. Eventually, Chen and his team want to integrate the technology into clothing. They hope to sell it commercially in the next few years, along with developing a mobile app to control the temperature. The research was funded with a .6 million grant from the U.S. Department of Energy. 1736

SAN DIEGO (KGTV) — Light scattered showers fell throughout the day from Mission Valley to Carmel Valley.While Sunday's rainfall marked the first fall rain for the region, Alex Tardy with the National Weather Service said that rain will disappear by Monday. “We're looking at conditions that are bone dry, record dry. It’s never been this dry before and just a little bit of rain like this, while it's nice and we won’t have any fires [Sunday], once the dry air starts blowing through on Monday and continues into Tuesday, it's not going to make much of a difference,” Tardy said.RELATED: In-depth: Why La Ni?a could make wildfire season worseTardy said that San Diego may go long stretches without rainfall this season as we move into a dry La Ni?a winter. However, when the rain eventually comes, it could come in sporadic heavy storms. Tardy also added that the conditions will have fire crews on high alert for weeks. “It also means a delay in the start of our winter so we could be in for a very long fall period where we mostly see dry conditions,” Tardy says. “What that means for us is that fire danger [could be] continuing into the fall and well into the early winter.” 1186

SAN DIEGO (KGTV) — In their push to reopen schools, some political supporters of President Donald Trump have cited COVID-19 research from a group of San Diego scientists, claiming it’s evidence we could be close to herd immunity from the virus.But one of the authors of that research says that conclusion is way off.One of the most prominent supporters of the herd immunity conjecture is Dr. Scott Atlas, a neuroradiologist and senior fellow at Stanford University’s Hoover Institution who became an adviser to President Trump this month.“There’s a pretty good chance that herd immunity requires way less infections because of existing immunity out there,” Atlas said in a livestream conversation with San Diego County Supervisor Jim Desmond. “It actually may have already been reached in places like New York. We don’t know, but it’s possible.”Herd immunity is the level of protection needed to effectively stop the virus from circulating, thought to be about 70 percent of the population. The “existing immunity” to which Atlas is referring has to do with T cells.“It's just a misunderstanding of the science,” said Dr. Shane Crotty, a virologist at the La Jolla Institute for Immunology who co-authored the groundbreaking research on T cells in June.Crotty and his colleagues found that 50 percent of people unexposed to the novel coronavirus had T cells that could recognize it. Scientists refer to this as cross-reactive T cells, and the study was replicated in other countries.Proponents of the herd immunity theory take the number of people infected with the coronavirus, add the number of people with T cells that can recognize the virus, and come up with a number around the herd immunity threshold of 70 percent. But the math doesn’t work that way, according to Crotty, in part because T cells only kick in once a virus has hijacked cells, meaning T cells alone can't stop a pathogen in its tracks.“We’re not saying those 50 percent of people have protection like they’ve already had the virus,” Crotty said. “We’re saying those 50 percent of people have a head start in responding to the virus, which is a good thing but doesn’t affect herd immunity.”Since the novel coronavirus is a new pathogen, scientists did not expect people would have tools in their immune system capable of recognizing it. Unexposed people do not have cross-reactive antibodies, Crotty said.But in a study published this month in Science, Dr. Crotty and his colleagues offered a potential explanation for the surprising T cell results: they found these cross-reactive T cells also recognized four other coronavirus strains that cause common colds.Their theory: the T cells were created in response to other coronaviruses but can recognize SARS-CoV-2 like a distant relative.“It's a memory of a cousin,” Dr. Crotty said.That memory may speed up the body’s immune response, which can normally take about a week for an unknown pathogen, Crotty said. But scientists aren’t sure yet what role T cells actually play in clinical outcomes.“We have no data and and neither does anybody else as to whether these T cells really help or not,” Crotty said.To answer that question, scientists would need blood samples for lots of healthy people and then they would have to closely study individuals who got infected.The La Jolla Institute for Immunology is raising money for that kind of research, Crotty said, but they’re not there yet. 3417

SAN DIEGO (KGTV) – If one of your New Years resolutions was to get out and see more concerts, you've got some great choices to start off the year.Parquet Courts heads to San Diego off their fifth record "Wide Awake!," a punk-funk filled album that's proving to be their most groundbreaking record yet. The band heads to The Music Box.Country Music Hall of Famer and actor Kris Kristofferson and "The Strangers" bring their legendary sounds to the Balboa Theater. Ben and Dana Haggard, sons of country music legend Merle Haggard and accomplished in their own right, lead The Strangers.RELATED: San Diego Restaurant Week 2019: Over 180 restaurants taking partThe six-piece ensemble of Ozomatli also hits Music Box this month with a wide array of musical stylings spanning Latin, funk, jazz, hip-hop, and rock.Sara Dallin and Keren Woodward of the 1980s female English pop group Bananarama are in town to rock The Observatory with their global pop-dance and new wave hits.The legendary Elton John embarks on his farewell tour, stopping in San Diego at Pechanga Arena for what's sure to be an electrifying performance. Fans can undoubtably expect a night with “Bennie and the Jets,” “Rocket Man” and “Crocodile Rock" from the Rock and Roll Hall of Fame inductee.SHOWTIMES:Jan. 21 - Parquet Courts at The Music Box (link)Jan. 22 - Kris Kristofferson & The Strangers at Balboa Theater (link)Jan. 25 - Ozomatli at The Music Box (link)Jan. 27 - Bananarama at The Observatory North Park (link)Jan. 29 - Elton John at Pechanga Arena [formerly San Diego Sports Arena] (link) 1575

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