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Americans use their smartphones for about two-to-three years. UC San Diego computer scientists devised a practical way to reuse the phones’ still-potent computer power.

In Africa, there is a shortage of specialists and a lack of financial support for families who can't afford therapy. We look at how three families are coping.

Local author Sarina Dahlan's "Preset" imagines a world where what's left of human civilization is highly controlled in order to avoid extinction.

Jamie Childers is graduating from Cal State San Marcos with Bachelor's degrees in criminology and history. She supports fellow vets and her nephew and niece heal from trauma.

As AI-generated deepfakes are being used to spread false information in elections in the U.S. and around the world, policymakers, tech platforms and governments are trying to catch up.

An upcoming exhibit at UC San Diego’s Gallery QI, “Biosphere Dreaming” explores the “Dream Diary” of Mark Nelson, a participant in the closed-ecosystem experiment Biosphere 2. RSVPs for opening night can be requested through here by 12 p.m., Thursday, April 27. Summary “Biosphere Dreaming” is an audio-visual installation based on the “Dream Diary” of Mark Nelson, one of eight people who lived inside Biosphere 2, a closed-ecosystem complex located outside the little town of Oracle in Southern Arizona, from September 26, 1991 to September 26, 1993. The installation features excerpts from Nelson’s diary and logbook, as well as a series of photos documenting life inside the complex. The material is presented as a 30-minute montage through three projections (two with texts from the diaries and one with the photos) and is accompanied by an exclusive music score written by Michael Garfield. In the hallway outside the gallery, a series of large photos of Biosphere 2 set the stage for the material presented inside. As the first public presentation of Nelson’s diaries, “Biosphere Dreaming” offers a unique perspective on one of the most visionary ecological experiments of the 20th century. Revisiting the experiment more than 30 years after it ended, the installation explores how inhabiting an ecosystem as Mark Nelson did is both an intimately physical and imaginary experience that opens up critical and inventive rethinking—through dreaming in the widest sense of the word—of how we humans are deeply connected to nature. Moreover, in the context of the contemporary climate crisis, “Biosphere Dreaming” engages with questions of new ways of inhabiting the Earth—“Biosphere 1”—that offer more hopeful futures for life inside it. Biosphere 2 was built between 1987 and 1991 by the Institute of Ecotechnics. From 1991 to 1993, this large, green-house-like complex served as an experiment in engaging with ecosystems through science and technology, and gaining new insight into their care and care for the life they hold, including humans. The structure hosted seven different biomes, including a rainforest, an ocean with a coral reef, mangrove wetlands, a savannah, a fog desert, an agricultural area and a human habitat. Though its original plan was to run “missions” inside Biosphere 2 for one hundred continuous years and generate deep data sets, the experiment was terminated less than three years after it began. Yet it still stands as one of the most visionary attempts to rethink the relationship between humans and nature for the better. Bios Mark Nelson was part of the first crew of eight “biospherians” who lived inside the Biosphere 2 for two full years. He is an engineer and the founding director of the Institute of Ecotechnics. He has published the books “Pushing Our Limit: Insights from Biosphere 2” (2018) and “The Wastewater Gardener” (2014). He lives in New Mexico. Michael Garfield writes music for which new words must be invented. Simultaneously tender and apocalyptic, intensely technical yet vulnerable, his tunes marry the singer-songwriter and electronic live producer, updating “solo artist with guitar” to suit an age of planetary renaissance. Committed to adventurous venues and collaborations, Garfield has played everywhere from Portugal to Australia, Canada to Costa Rica, Arcosanti to Moogfest, Synergia Ranch to Meow Wolf to the Chapel of Sacred Mirrors. His experience includes residencies in Austin, Santa Fe, and Black Rock City; concerts at the Dallas Museum of Nature and Science, the Santa Fe Institute, and the MAPS Psychedelic Science Conference; and features on PBS and in numerous acclaimed documentary films. Jacob Lillemose is a writer and a curator based in Copenhagen, Denmark. He recently curated the Danish pavilion at the Venice biennale and published the novel “Architecture Zero” (2022) which incorporates references to Biosphere 2. “Biosphere Dreaming” will be on display in the Gallery QI from Thursday, April 27 – Friday, June 9, noon to 5 p.m. Monday through Friday. Stay Connected on Social Media! Facebook | Instagram | Twitter

The USD College of Arts and Sciences and Humanities Center, along with Warwick’s bookstore, will host Gretchen Rubin as she discusses and signs her new book, "Life in Five Senses". Rubin is a New York Times bestselling author of "Outer Order, Inner Calm"; "The Four Tendencies"; "Better Than Before"; and "The Happiness Project" and is one of today’s most influential observers of happiness and human nature. "Life in Five Senses" is an absorbing, layered story of discovery filled with thoughtful insights and hands-on suggestions about how to heighten our senses and use our powers of perception to live fuller, richer lives—and, ultimately, how to move through the world with more vitality and love. This is a ticketed event that includes a copy of the book, "Life in Five Senses". For more information and to purchase tickets, please visit here. Stay Connected on Social Media! USD College of Arts and Sciences: Facebook | Instagram | Twitter Warwick's bookstore: Facebook | Instagram | Twitter

The ancient extinct shark that starred in the film The Meg is thought to be the largest shark that ever swam the Earth. But there's debate over what it really looked like.

This weekend in the arts: Works of art from hundreds of artists at Bread and Salt, a Mexican-heritage "Nutcracker," and more.

The pliosaur, which existed millions of years ago, would chomp down with its 130 teeth in a bite far stronger than a crocodile's and had a third eye for locating prey.