The official Twitter account for the University of California San Diego. Our most cherished tradition is challenging tradition.
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ALT A person is holding a flask with red liquid in a laboratory setting. The image features text that reads, "#1 Best Public College for Research - Washington Monthly.
ALT Damselfish swim near an artificial reef “stack” structure, which was also used in two new acoustic enrichment studies led by UC San Diego scientists. Credit: Nina Schiettekatte
ALT The image shows the exterior of the University of California, San Diego's Triton Center on a sunny day. The modern architecture includes a central cylindrical structure with a large blue and yellow geometric design. Surrounding the building are open walkways and several people strolling in the area. Solar panels are visible on the rooftop of a nearby structure.
ALT The image shows Administrative Services Building at UC San Diego, a modern structure with a glass façade. It has multiple stories. The foreground includes a street with traffic lights and barriers.
ALT Lp(a) testing can help identify heart disease risk earlier, allowing clinicians to preventively take steps to reduce patients’ chances of having a heart attack or stroke.
ALT Clockwise from left to right, this image shows a visiting scientist from Germany, Jacobs Retina Center director William Freeman, co-director Dirk-Uwe Bartsch and a student researcher evaluating complex retinal images as part of an AI-guided analysis project to detect systemic disease. Credit: UC San Diego/Erik Jepsen
ALT Associated Press global climate editor Peter Prengaman (far left) and UC San Diego’s David Victor and Meenakshi Wadhwa participate in UC San Diego’s inaugural event at Climate Week New York.
ALT A new study discovered how the insect's flexible brain was able to adapt to an elevated need to recognize color in flowering plants.
ALT UC San Diego alumnus Sev Ohanian (right) with “Sinners” fellow producers Ryan Coogler and Zinzi Coogler from Proximity Media at the 2026 EE BAFTA Film Awards in February 2026. (Photo courtesy of Sev Ohanian)
ALT Crew-12's spacecraft — attached to four large parachutes — descending through a cloudy daytime sky.
ALT The members of Crew-12 inside of their spacecraft post-splashdown. They are strapped into their seats, smiling and waving.
ALT The STELLA Initiative will bring together regenerative science, precision surgical delivery, bioelectric medicine and advanced diagnostics with the goal of developing new therapeutic strategies for those with debilitating spinal and neurological injuries.
ALT Knowing what to have ready in an emergency can keep you and the entire community safer.
ALT 📸: Brookie Best ‘94, Leah Dedmon ‘15, Karen Lane ‘77, Lazaro Herrera ‘00
ALT 📸: Brookie Best ‘94, Leah Dedmon ‘15, Karen Lane ‘77, Lazaro Herrera ‘00
ALT 📸: Brookie Best ‘94, Leah Dedmon ‘15, Karen Lane ‘77, Lazaro Herrera ‘00
ALT 📸: Brookie Best ‘94, Leah Dedmon ‘15, Karen Lane ‘77, Lazaro Herrera ‘00
ALT The Lick Observatory on Mount Hamilton in Northern California. (Photo by Erik Jepsen, UC San Diego)
ALT A fingertip is shown wearing a sweat-powered patch. The patch monitors medication for Parkinson’s disease by tracking levodopa levels through sweat. Text on the image describes this wearable technology and its potential benefits for personalized medication dosing.
ALT A close-up image showing a small, round microneedle patch and a circuit board next to each other on a blurred background. Text on the image reads: "Microneedle Patch Could Monitor and Treat Disease." Additional text below states the patch can monitor biomarkers and medications under the skin, aiming for drug delivery and early sepsis detection.
ALT A person holds a cup containing a green beverage with black tapioca pearls. Text on the image says, "Sweat-powered sticker turns cups into health sensors." A description below explains that a battery-free sticker on cups uses fingertip sweat to monitor vitamin C levels, making health tracking more convenient, affordable, and accessible.
ALT This image shows a close-up of an ear with a smart earbud inserted. The text reads: "Smart earbuds monitor brain activity and exercise." Additional text explains that flexible sensors in earbuds can monitor brain activity and sweat lactate levels, potentially aiding health monitoring and detecting neurological conditions.
ALT The glassfish Danionella schools in groups using its sense of vision. Here, a single real fish (foreground) schools with a group of virtual fish programmed to move on a video screen (background). Photo credit: Jo-Hsien Yu and Geoff T. Meyerhof