Today’s Solutions: December 19, 2025
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The Optimist Daily’s Weekly Roundup

With Arielle Tiangco and Karissa Garcia

Do you like the stories from around the world that recognize and celebrate the people and events making a positive change? Tune in to The Optimist Daily’s Weekly Roundup, where our solutions-focused stories continue, and hear behind-the-scenes discussions from the people bringing you the news.

Episodes

Bonus Episode: Viv for your V

April 14, 2022

Bonus Episode: Viv for your V

Welcome to The Optimist Daily Update's first bonus episode! Today we are highlighting one of our favorite interviews from our podcast archive, with new commentary by content producer, Arielle.

Take a walk down memory lane with us as we dive back into a riveting conversation we had with Katie Diasti, CEO of eco-friendly period care brand Viv for your V, and COO Izzy Sarrafzadeh.

 PLAY   23:41 min

Bonding Vampire Bats & Wands for Wildlife

April 13, 2022

Bonding Vampire Bats & Wands for Wildlife

Today's good news: Scientists study vampire bats to learn more about the complexities of social bonding, and attention all mascara users! Your old crusty wands can be repurposed as tiny brushes for the smallest of rescue animals.

If you'd like to lend your voice to the Optimist Daily Update, send an email to: editorial@optimistdaily.com.

Listen to the Optimist Daily Update with Summers & Kristy - Making Solutions the News!

 PLAY   10:31 min

Drunken Monkey Hypothesis & Bacterial Enzyme Machines

April 12, 2022

Drunken Monkey Hypothesis & Bacterial Enzyme Machines

Today's good news: Research supports the drunken monkey hypothesis, which suggests that human fondness for alcohol  may have evolutionary roots, and Kristy dives into medical advancements, specifically miniscule bacteria machines.

If you'd like to lend your voice to the Optimist Daily Update, send an email to: editorial@optimistdaily.com.

Listen to the Optimist Daily Update with Summers & Kristy - Making Solutions the News!

 PLAY   14:57 min

Estrellita the Woolly Monkey & How Spiders Use Webs to Hear

April 11, 2022

Estrellita the Woolly Monkey & How Spiders Use Webs to Hear

In honor of National Pet's Day, Summers and Kristy discuss animal-focused good news. Ecuador is the first country to grant wild animals legal rights and scientists explore how spiders use their webs to "hear".

If you'd like to lend your voice to the Optimist Daily Update, send an email to: editorial@optimistdaily.com.

Listen to the Optimist Daily Update with Summers & Kristy - Making Solutions the News!

 PLAY   12:28 min

Climate Anxiety and Body Neutrality

April 08, 2022

Climate Anxiety and Body Neutrality

Happy Friday everyone! Today we're talking about tips to deal with climate anxiety and how to embrace the new movement of body neutrality. Digressions include Kristy going "commando" in Target this week, and how Summers is glowing from her new yoga class. 

Listen to The Optimist Daily Update with Summers & Kristy -- Making Solutions the News!

 PLAY   22:28 min

A New Cancer Diagnostic Tool & No Kids? No Problem!

April 07, 2022

A New Cancer Diagnostic Tool & No Kids? No Problem!

Today's good news: Summers and Kristy discuss why deciding not to have children can be empowering and expansive, and there's an exciting new kind of diagnostic tool that can rapidly predict blood cancer relapses!

If you'd like to lend your voice to the Optimist Daily Update, send an email to: editorial@optimistdaily.com.

Listen to the Optimist Daily Update with Summers & Kristy - Making Solutions the News!

 PLAY   13:35 min

The Resting Reef & The Cramm

April 06, 2022

The Resting Reef & The Cramm

Today's good news: This startup offers an eco-friendly burial option that turns ashes into regenerative oyster reefs. Plus, The Cramm by Olivia Seltzer contextualizes today's news for Gen Z readers.

If you'd like to lend your voice to the Optimist Daily Update, send an email to: editorial@optimistdaily.com.

Listen to the Optimist Daily Update with Summers & Kristy - Making Solutions the News!

 PLAY   14:03 min

Sequencing the Entire Human Genome & Carbon-Sequestering Indigenous Forests

April 05, 2022

Sequencing the Entire Human Genome & Carbon-Sequestering Indigenous Forests

Today's good news: Scientists sequence the entire human genome for the first time ever! Plus, forests on Indigenous lands sequester much more carbon than others.

If you'd like to lend your voice to the Optimist Daily Update, send an email to: editorial@optimistdaily.com.

Listen to the Optimist Daily Update with Summers & Kristy - Making Solutions the News!

 PLAY   14:06 min

Pluto's Ice Volcanoes and Moody Microbiomes

April 04, 2022

Pluto's Ice Volcanoes and Moody Microbiomes

Today's good news: Scientists have confirmed that there are ice volcanoes on Pluto, and a new study shows how your personality is directly linked to your gut's microbiome.

If you'd like to lend your voice to the Optimist Daily Update, send an email to: editorial@optimistdaily.com.

Listen to the Optimist Daily Update with Summers & Kristy - Making Solutions the News!

 PLAY   11:28 min

Sponge Cities and Climate Victory Gardens

April 01, 2022

Sponge Cities and Climate Victory Gardens

Happy April 1st! No tricks here on this April Fool's Day, only good news about how cities around the world are taking initiative to soak up precipitation rather than dispose of it, and how more people are planting gardens to reduce their carbon footprint.

 

Listen to The Optimist Daily Update with Summers & Kristy -- Making Solutions the News!

 PLAY   16:25 min