This week on The Optimist Daily’s Weekly Round-up, Karissa and Arielle explore two unexpected environmental heroes: a pinecone-inspired wildfire sensor called Pyri, and the misunderstood but essential role of vultures in ecosystem health. Discover how design students in London are helping prevent devastating fires with biodegradable tech and how Bulgaria’s ambitious rewilding project is reviving […]

In this special episode of The Optimist Daily’s Weekly Roundup, Arielle and Karissa discuss the devastating Texas floods and how to respond with both compassion and care. They walk through trusted ways you can contribute to flood relief efforts and also share practical mental health strategies for navigating collective grief—a response many of us feel when […]

In this week’s episode of The Optimist Daily’s Weekly Round-up, Arielle and Karissa revisit Part II of our popular 2020 series on allyship—this time diving into what effective allyship really looks like in practice. If you missed Part I on performative allyship, you can read it here! They explore actionable ways to show up for […]

This week on The Optimist Daily’s Weekly Roundup, Arielle and Karissa dive into ocean-inspired solutions. From sea moss superfoods and memorial reefs that turn human ashes into coral habitats to breakthrough plastics that dissolve in seawater and soil without leaving a trace. Plus, they mention more of the week’s top headlines on climate, health, and […]

This week, Arielle and Karissa dive into the science of little treats—those small, joyful moments that can regulate stress, boost dopamine, and support mental health. They also spotlight a record-breaking $50M donation launching a global endometriosis research hub and reflect on the urgent need for trans rights and dignity during Pride Month. From strawberry matcha lattes […]

This week, Arielle and Karissa explore the science behind sunshine guilt and share simple tips for reframing guilt with self-compassion. Then they chat about fridge-free tortillas helping vulnerable communities in Mexico. Plus, they highlight other forward-thinking solutions—from volcano-forecasting trees to coral-saving nanoparticle gels and National Park Cities. Transcript link: https://www.optimistdaily.com/?p=1420209 The Optimist Daily is a […]

In this week’s round-up, Karissa and Arielle dive into the mighty chia seed’s digestive benefits and Cadence’s push to make emergency contraception as accessible as a pack of gum. Join them as they explore real-world solutions making a difference. Transcript link: https://www.optimistdaily.com/?p=1420180 The Optimist Daily is a project of the World Business Academy. Donate link: […]

What makes an apology feel sincere? Hint: It’s in your syllables. This week, Arielle and Karissa dig into the psychology of saying sorry, celebrate Boise’s bold geothermal energy system, and share other global solutions that are heating things up (in the best way). Transcript link: https://www.optimistdaily.com/?p=1420147 The Optimist Daily is a project of the World […]

This week, Arielle and Karissa dive into the wild and wonderful world of solutions—from ancient humans using ochre as sunscreen during a magnetic pole shift, to Tim Friede, a man who willingly took 200 venomous snake bites to help researchers create a better antivenom. Plus: a roundup of science-backed health and policy stories you don’t […]

Is an average life a failure—or a hidden strength? In this episode of The Optimist Daily’s Weekly Round-up, Arielle spotlights The Herds, a stunning climate art project featuring life-sized animal puppets parading through cities to raise awareness. Then, Karissa explores the beauty of embracing ordinary moments, with insights from psychologist Sam Goldstein on why a […]