April 17, 2026

Why you keep falling for the same person, and 9 other things worth discussing this week

This week: a German research team built a water contamination test that runs on a smartphone and gives you an answer in under a minute. A Cornell professor has a gardening trick that involves water, a paper towel, and one night. A Bristol startup figured out what to do with festival urine!

Arielle and Karissa also talk about the psychology of why you keep falling for the same type, Earth Day turning 56, and the free home reset that's apparently all about the "invisible layer."

And for the first time, an Optimist Daily's Emissary shout-out goes out! Therese highlights Emily Oakley and Michael Appel of Three Springs Farm in Oklahoma, two farmers who've spent over two decades working on food, land, and community.

If you have questions, comments, feedback, suggestions, or just want to say hi, send a message to podcast@optimistdaily.com.

Transcript link: https://www.optimistdaily.com/?p=1422061

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The Optimist Daily is a project of the World Business Academy.

Donate link: https://www.optimistdaily.com/donate-to-support-the-optimist-daily/?gift=Y%20http://

 PLAY   19:07 min

April 10, 2026

(Guest Interview) Given Two Weeks, She Lived a Year: The Woman Who Built a Rescue for the Dogs Everyone Overlooks | National Pet Day 2026

In honor of National Pet Day, Arielle sits down with Erica Psaltis, founder of senior dog rescue Silver Linings Rescue Ranch in Bend, Oregon. They talk about what actually goes into running a rescue like this: the intake process, the misconceptions people have about older dogs, the losses, and how Erica keeps showing up even when things get overwhelming.

It's a story about dogs most people don't consider. About loving something with a short timeline and recognizing beauty and value in what's fleeting.

This is the perfect episode to listen to while taking a hike or a stroll or snuggling up with your pets!

Support Silver Linings Rescue Ranch:

• Website: silverliningsrescueranch.org
• Follow and share on Instagram and Facebook

Transcript link: https://www.optimistdaily.com/?p=1422021

If you have questions, comments, feedback, suggestions, or just want to say hi, send a message to: podcast@optimistdaily.com.

Want to be part of the Optimism Movement? Become an Emissary.

Subscribe to our FREE Daily Newsletter and follow us on Instagram, X, and Blue Sky.

The Optimist Daily is a project of the World Business Academy.

Donate link: https://www.optimistdaily.com/donate-to-support-the-optimist-daily/?gift=Y%20http://

Sound credits:

• Theme and all original music by Marvin Lanes
• "Stable Noises- Birds and Horses Neighing.wav" by GoodListener (freesound.org/s/322443) — License: Attribution 4.0
• "angelic aaaahh two-part harmony.wav" by Wolfsinger (freesound.org/s/25759) — License: Attribution 4.0
• "Likes, Thumbs Up" by LilMati (freesound.org/s/714569) — License: Creative Commons 0
• "Pomeranian Small Dog Barking.mp3" by yunjish (freesound.org/s/608732) — License: Creative Commons 0

 PLAY   29:56 min

April 03, 2026

Good Friday good news: speed friending, fire fungi, and the science of sleep

This week starts with casino Easter eggs and a prom-posal, because apparently Good Friday is full of surprises.

Then Arielle and Karissa get into the actual news: a teenager built a working microplastic filter in her garage, Mexico's monarch butterflies had their best winter in nearly a decade, and a $375 million jury verdict just put Meta on notice. There's also a California law that stops punishing college students for asking for help after an overdose, a roundup of Easter traditions that gets genuinely weird, and some fungi that show up in wildfire burn scars before anything else does.

If you have questions, comments, feedback, suggestions, or just want to say hi, send a message to: podcast@optimistdaily.com.

Transcript link: https://www.optimistdaily.com/?p=1421975 

Want to be part of the Optimism Movement? Become an Emissary.

Subscribe to our FREE Daily Newsletter and follow us on Instagram, X, and Blue Sky.

The Optimist Daily is a project of the World Business Academy.

Donate link: https://www.optimistdaily.com/donate-to-support-the-optimist-daily/?gift=Y%20http://

 PLAY   19:27 min

March 27, 2026

Touching the Veiled Christ, urban coyotes, and the truth about your allergies

Arielle and Karissa are back this week, and the stories span everything from marble sculptures in Naples to coyote dens in American cities. A museum in Naples opened its barriers so blind visitors could touch the Veiled Christ, led by blind guides who know that experience firsthand.

Urban coyotes are raising pups closer to you than you think, and on purpose. If your spring allergies have been brutal lately, new research explains why the season itself has changed. Those three stories alone are worth pulling up a chair for, but there are seven more waiting!

If you have questions, comments, feedback, suggestions, or just want to say hi, send a message to: podcast@optimistdaily.com.

Transcript link: https://www.optimistdaily.com/?p=1421930

Want to be part of the Optimism Movement? Become an Emissary.

Subscribe to our FREE Daily Newsletter and follow us on Instagram, X, and Blue Sky.

The Optimist Daily is a project of the World Business Academy.

Donate link: https://www.optimistdaily.com/donate-to-support-the-optimist-daily/?gift=Y%20http://

 PLAY   20:32 min

March 20, 2026

From psilocybin to ocean robots: 10 solutions you'll actually want to hear about

This week, Arielle and Karissa cover a tiny African island paying locals to protect its rainforest, the lion DNA case that just sent two poachers to prison, and new research on music, overthinking, and quitting smoking. Oh, and the hummingbirds are on their way.

If you have questions, comments, feedback, suggestions, or just want to say hi, send a message to: podcast@optimistdaily.com.

Transcript link: https://www.optimistdaily.com/?p=1421894

Want to be part of the Optimism Movement? Become an Emissary.

Subscribe to our FREE Daily Newsletter and follow us on Instagram, X, and Blue Sky.

The Optimist Daily is a project of the World Business Academy.

Donate link: https://www.optimistdaily.com/donate-to-support-the-optimist-daily/?gift=Y%20http://

 PLAY   21:33 min

March 13, 2026

Golden frogs are back, bacteria are eating cancer, and cherry blossom season is almost here

Spring is in the air, and so is this week's roundup of solutions, breakthroughs, and good news worth sharing.

Arielle and Karissa are back together after last week's Sambhali Trust guest interview, and they've got a full lineup: wildlife conservation wins, medical milestones, an environmental project decades in the making finally paying off, and some surprisingly simple advice about what you're actually eating. Plus, a closing quote about cherry blossoms and hanging on to the good times

If you have questions, comments, feedback, suggestions, or just want to say hi, send a message to: podcast@optimistdaily.com.

Transcript link: https://www.optimistdaily.com/?p=1421850

Want to be part of the Optimism Movement? Become an Emissary.

Subscribe to our FREE Daily Newsletter and follow us on Instagram, X, and Blue Sky.

The Optimist Daily is a project of the World Business Academy.

Donate link: https://www.optimistdaily.com/donate-to-support-the-optimist-daily/?gift=Y%20http://

 PLAY   14:46 min

March 06, 2026

(Guest Interview) From 18 Women to 80,000: How Sambhali Trust is Empowering Girls in India | International Women's Day 2026

This episode is dedicated to Badan Kanwar.

In the early 1990s, a woman named Badan Kanwar was widowed in Rajasthan, India. Her world shrank the way it does for widows there — she lost status, voice, and belonging. Her son, Govind Singh Rathore, watched. Years later, he founded Sambhali Trust in Jodhpur, an organization providing education, vocational training, legal support, and safe spaces to women, girls, and gender minorities pushed to the margins. He started by inviting one woman's two daughters to come learn with him. The next day, 18 women showed up. Today, Sambhali Trust has reached roughly 80,000 people across Rajasthan.

In this special International Women's Day episode, we tell the story of Sambhali Trust through four voices:

  - Govind Singh Rathore, Founder of Sambhali Trust, on the grief that became a movement

  - Shereen Arent, President of Sambhali US, on how she stumbled into this work and couldn't walk away

  - Rajshree Rathore, Head of Education at Sambhali Trust, who joined as a college student-tutor and now leads the programs she once taught in

  - Monica, Sambhali's first-cohort graduate (2007) and now central staff—going from the girl who always sat in the back to someone the whole community calls when they need help

This is a story about what happens when you give people closest to a problem the resources to solve it themselves. It's about the domino effect of doing one good thing.

And it's about how change doesn't always take a generation—sometimes it happens faster than anyone expected.

Note: This episode contains mentions of domestic violence. Nothing graphic.

If you have questions, comments, feedback, suggestions, or just want to say hi, send a message to: podcast@optimistdaily.com.

Transcript link: https://www.optimistdaily.com/?p=1421813

Support Sambhali:

  - Donate, volunteer, or sign up for the newsletter: https://www.sambhalius.org

  - Contact Shereen directly: info@sambhalius.org

  - Sambhali Trust (India): https://www.sambhali.org

The Optimist Daily:

Want to be part of the Optimism Movement? Become an Emissary.

Subscribe to our FREE Daily Newsletter and follow us on Instagram, X, and Blue Sky.

The Optimist Daily is a project of the World Business Academy.

Donate link: https://www.optimistdaily.com/donate-to-support-the-optimist-daily/?gift=Y%20http://

 PLAY   48:22 min

February 27, 2026

New Year, New Us: The Optimist Daily Weekly Roundup goes bigger with 10 solutions

It's our first episode of the year! And the Optimist Daily Weekly Roundup is officially refreshed. Karissa and Arielle kick off the new format (hello, "tasting menu" of all ten weekly solutions), explain the difference between Emissaries and Optimists, and share a new perk: Emissary shout-outs celebrating the people and organizations doing good in the world.

If you have questions, comments, feedback, suggestions, or just want to say hi, send a message to podcast@optimistdaily.com.

Transcript link: https://www.optimistdaily.com/?p=1421756

Want to be part of the Optimism Movement? Become an Emissary.

Subscribe to our FREE Daily Newsletter and follow us on Instagram, X, and Blue Sky.

The Optimist Daily is a project of the World Business Academy.

Donate link: https://www.optimistdaily.com/donate-to-support-the-optimist-daily/?gift=Y%20http://

 PLAY   18:13 min

December 19, 2025

Holiday gifts for a loved one with cancer + a powerful Miwuk land-back victory near Yosemite

This week, Arielle and Karissa dive into two very different but deeply connected stories about what it means to truly support healing. First, we unpack new research on what people going through cancer actually find helpful during the holidays, and why practical support often means more than cozy socks and inspirational mugs.

Then they travel to the Sierra Nevada, where nearly 900 acres of ancestral land have been returned to the Southern Sierra Miwuk Nation in a landmark cultural and ecological restoration near Yosemite.

They close with some seasonal reflections, a big thank you to listeners, and a look ahead at how they'll be revamping the podcast in 2026 to bring you even deeper, more useful solutions-focused stories.

If you have thoughts on today's stories, ideas for what you'd love to see in the new version of the podcast, or just want to say hi, send a message to social@optimistdaily.com.

Transcript link: https://www.optimistdaily.com/?p=1421349

Want to be part of the Optimism Movement? Become an Emissary.

Subscribe to our FREE Daily Newsletter and follow us on Instagram, X, and Blue Sky.

The Optimist Daily is a project of the World Business Academy.

Donate link: https://www.optimistdaily.com/donate-to-support-the-optimist-daily/?gift=Y%20http://

 PLAY   21:00 min

December 12, 2025

Should kids be banned from social media? Inside Australia's bold online safety experiment

Australia just became the first country to ban social media accounts for kids under 16... but will it actually keep them safer online? In this episode, Arielle and Karissa unpack the data that pushed lawmakers to act, the huge loopholes critics are worried about, and the real trade-offs for teens, parents, and platforms. They also ask a bigger question: who should be responsible for protecting kids on the internet in the first place?

Have thoughts on the ban or ideas for better solutions? Share your take at social@optimistdaily.com.

Transcript link: https://www.optimistdaily.com/?p=1421254

Want to be part of the Optimism Movement? Become an Emissary.

Subscribe to our FREE Daily Newsletter and follow us on Instagram, X, and Blue Sky.

The Optimist Daily is a project of the World Business Academy.

Donate link: https://www.optimistdaily.com/donate-to-support-the-optimist-daily/?gift=Y%20http://

 PLAY   24:39 min