Sanaz Meshkinpour

Artist Katie Paterson is captivated by what humanity is leaving for future generations. So she created the Future Library, a collection of unread literature to be published a century from now.

With few exceptions, ancient humans painted the same 32 symbols in caves all over Europe. Paleoanthropologist Genevieve von Petzinger asks: What were they trying to say to each other — and to us?

Museums are full of artifacts left by "the first and the famous," says curator Ariana Curtis. Museums can better represent diverse stories, she argues, if they also include stories of everyday life.

Pangolins are shy, nocturnal creatures covered in scales. They're also the most trafficked animal in the world. Intelligence expert Sarah Stoner explains how her team disrupts wildlife trafficking.

As development expands into forested areas, local wildlife pushes back. Author Mary Roach shares what happens when human lives intersect with one devious wild neighbor: bears.

All dogs can be good dogs, but not all make good pets. Dog trainer and conservationist Megan Parker works with dogs that might end up in shelters and trains them in the art of high-skilled detection.

In 2013, detective Bradley Marr of Louisiana was investigating a murder. Forensic scientist Lauren Pharr Parks and detective Marr share how vultures helped crack the case.

Have you brushed your teeth today? Or gotten a shot recently? As tribologist Jennifer Vail explains, these mundane activities are among the many in our daily lives that are made possible by friction.

Hard work has been baked into our culture for so long, but at what cost? Journalist Celeste Headlee explains why we must give our bodies the rest they need, so that we can live fuller lives.

We might forget our dreams mere minutes after waking. But psychologist Dylan Selterman says that if we pay attention to them, we could gain new information about our emotions, relationships and more.

Bears and squirrels hibernate to survive harsh conditions; why not humans? If we want to travel deep into space or combat deadly diseases, physiologist Matteo Cerri says hibernation might be the key.

Why do so many people experience brain tingles when watching ASMR videos? Physiologist Craig Richard shares the science behind the "Autonomous Sensory Meridian Response," and how it calms the mind.

Bullies are everywhere, especially online. That's why Stuart Duncan created AutCraft: a Minecraft server where kids with autism can play freely.

Grammy winner Jacob Collier has been called a musical phenomenon; his work is full of joy and spontaneity. He makes a case for why we should emphasize play, passion, and curiosity over practice.

We might think of activism as far from playful. That's not the case for "playtivist" Yana Buhrer Tavanier. Her incubator lab, Fine Acts, encourages whimsical solutions for social change.

Tech reporter Kevin Roose doesn't want you to be scared of your job becoming automated. He says that rather than competing with machines, we should work to develop our fundamentally human skills.

Irma Olguin wants to bring the tech industry to cities like her hometown, Fresno. She believes building a support system for tech workers will strengthen communities and revitalize undervalued cities.

From unionizing to striking to quitting, employees are taking power into their own hands. Labor organizer Jess Kutch explores the effectiveness of collective bargaining to affect change.

Fiction can serve as a window into multiple realities--to imagine different futures or understand our own past. This hour, author Dave Eggers talks tech, education, and the healing power of writing.

What if we could rescue endangered species before they disappear? Biotech entrepreneur Ryan Phelan explores how genetic engineering tools can save species that would otherwise go extinct.