Miscellaneous
Podcast Transcript August 21st, 2026— (Guest Interview) Catch up with Kristy: clean energy, leaving California, and embracing the slow life
Episode Description: Many of the long-time listeners of The Optimist Daily's podcast will recognize Kristy Jansen's voice. She’s the former co-host and Executive Director of this show, and she’s back, joining Arielle and Karissa from Mérida, México, to catch them up on what happened in Read More...
Podcast Transcript August 14th, 2026— Taking our own advice on slowing down this summer
Episode Description: Arielle checks in solo to explain why the Kristy guest episode is getting a little more time. Both she and Karissa have been doing what they always say matters most: showing up, fully present, for the people they love. Babies, weddings, miles between people who love each Read More...
Podcast Transcript July 31st, 2026— Liquid air batteries, dolphins saved by plastic bottles, and an empty weekend a month
Episode Description: Dolphins fatally swim into fishing nets because the nylon is acoustically too similar to water for their echolocation to pick up. A researcher at Newcastle University wondered if attaching something that does produce an echo might change that. The dolphin-saving solution may Read More...
Podcast Transcript July 24th, 2026— The science of soccer-stress, salsa dancing for depression, and why summer slips away
Episode Description: Watching a tense soccer match nearly doubles cardiac event risk, and cortisol could start rising fourteen hours before kickoff. With Spain just taking the World Cup, a fair portion of the world’s population has basically been running a biological experiment on Read More...
Podcast Transcript July 17th, 2026— Wildfire satellites, Seine city cooling, and parenting securely attached kids
Episode Description: Greece just launched the world’s first satellite constellation built specifically for wildfire detection. It can spot a fire measuring only a few feet across, a huge improvement on conventional satellites, which start flagging fires when they're already the size of a Read More...
Podcast Transcript July 10th, 2026— 500 years of the soccer cleat, a world-first burn treatment, and green hydrogen in California
Episode Description: Every player at this year’s World Cup is wearing the end result of 500 years of iteration on a single piece of equipment. It started with factory workers hammering hardware store nails into their boots for traction on wet British turf. Ten solutions this week with Read More...
Podcast Transcript July 2nd, 2026— Coffee waste as fuel, Nepal same-sex marriage rights, and understanding heat domes
Episode Description: Stanford researchers took cartilage from patients already getting knee replacements (about as degraded as joint tissue gets) and discovered how it could regenerate itself. The cells weren’t replaced or reprogrammed; they just shifted back toward a younger pattern of Read More...
Podcast Transcript June 26th, 2026— Gig worker rights, cervical cancer wins, and a hopeful take on human cooperation
Episode Description: A study of more than 100,000 people across 125 countries found that people cooperate far more than they assume other people will. Hopeful news to receive in a world that feels so divided. This week Arielle and Karissa also cover gig worker rights getting their first-ever Read More...
Podcast Transcript June 19th, 2026— (Guest Interview) Hope can rise: two sisters in Gaza turning rubble into building blocks | Earth Prize 2026
Episode Description: Tala and Farah Mousa received thousands of messages after they won the Earth Prize. “You gave us hope we had completely lost,” people wrote. “You showed us we can be seen.” They were sheltering in a tent when those messages came in. This episode is about what it Read More...
Podcast Transcript June 12th, 2026— From a 340-year slavery law finally repealed to pancakes for cigarette butts: 10 solutions this week
Episode Description: A high-risk breast cancer diagnosis used to mean one thing: chemotherapy. A large UK trial just found that 68 percent of those patients could skip it safely, based on a genomic test that already exists and is already in use. Arielle and Karissa also get into the pigeon Read More...