Red is the warmest color

Red is the warmest color

From Outside/In by NHPR

March 4, 2026 · 32 min

About this episode

The episode explores various questions related to the color red and its significance in nature and relationships.

There’s few certainties in life. But the sun will always rise, the seasons will change, and the Outside/Inbox will forever remain answered. From lighthouse paint hues to polar bear lovers, this week the team takes up your questions on all things red. What makes cardinals red? Why do albino animals have red eyes? ⁠ ⁠Why are so many lighthouses painted red? ⁠ Do our dogs love us? ⁠Do some animals have same-sex relationships?⁠ ⁠How do environmental changes affect pair-bonding? ⁠ Featuring Alex Funk, Jeremy D'Entremont, Karyn Anderson, and Francesco Ventura. Thanks to Outside/In listeners Liz, Tyler, Monica and Lera for their questions. We’re looking for new submissions to the Outside/Inbox! Give us your weirdest, nichest, most bizarre questions you can think of. Send us those questions by recording yourself on a voice memo, and emailing that to us at outsidein@nhpr.org. Or you can call our hotline: 1-844-GO-OTTER. SUPPORT Outside/In is made possible with listener support. ⁠Click here to become a sustaining member of Outside/In. ⁠ Follow Outside/In on ⁠Instagram⁠ and ⁠BlueSky⁠, or join our private ⁠discussion group on Facebook⁠. LINKS Here’s Karyn’s paper on how ⁠same-sex behavior⁠…

People in this episode

Host: Nate Hegyi

Guests: Alex Funk, Jeremy D'Entremont, Karyn Anderson, Francesco Ventura

Topics covered

  • red
  • animals
  • environment
  • relationships
  • lighthouses

Keywords

  • cardinals
  • albino animals
  • same-sex relationships
  • environmental changes

Mentioned in this episode

Places: Olney, Illinois, Midwest, the ⁠Northeast District’s

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