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Poodle Sled Dogs, Why Orange Cats Are "Like That," Seal Nose Anatomy

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January 29, 2025

TLDR: Season 9! MIT Technology Review science editor Mary Beth Griggs discusses self-sealing seal noses, Laura talks about poodles in the Iditarod, and Rachel explores why orange cats are 'you know like that'. Jessica Boddy produces.

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Welcome to Season 9 of The Weirdest Thing I Learned This Week, where we explore fascinating and quirky topics under the guidance of three entertaining hosts: Rachel Feltman, Laura Bises, and Mary Beth Griggs. In this episode, the hosts dive into unusual facts involving poodles as sled dogs, intriguing traits of orange cats, and the unique anatomy of seal noses.

Poodles in the Iditarod

A Surprising Sled Dog

  • Sled Dog Racing: Traditionally, the Iditarod is dominated by Siberian Huskies and Alaskan Malamutes. However, poodles have also made their mark as sled dogs.
  • The Early Experiment: John Souter introduced poodles into sled dog racing in the 1980s, inspired by a miniature poodle's endurance alongside a snowmobile.
  • Team Composition: Souter eventually bred a team of standard poodles and began racing them. He initially placed 38th out of 45 in his first Iditarod, showing that with training and adaptation, different breeds can compete in this rigorous race.

Historical Context

  • Evolution of Sled Dogs: Alaskan indigenous peoples first bred sled dogs, and over the years, various breeds, including greyhounds and spaniels, were tested for their suitability.
  • Poodle Traits: With a thick coat for warmth and traits that promote athleticism, large standard poodles showed surprising aptitude for endurance racing.

Understanding Orange Cats

Genetics of Color

  • Gender and Color Connection: Almost all orange cats are male, while tortoiseshell and calico patterns are typically female. This is due to the X chromosome's influence on fur color.
  • Research Insights: Recent studies have identified a gene called argap 36 on the X chromosome that is responsible for the distinctive orange fur in cats. This discovery helps explain the genetic foundation behind their coloration.

Cultural Associations

  • The Mythos of Orange Cats: Often seen as feisty or mischievous, orange cats have various cultural representations, with famous characters like Garfield contributing to this stereotype.
  • Scientific Validation: The findings from independent research teams affirm a consistent link between the genetic makeup of male cats and their signature orange hue, an insight that has intrigued cat enthusiasts and scientists alike.

Seal Nose Anatomy

Fascinating Adaptations

  • Automatic Seal Nostrils: Unlike humans, seal nostrils close automatically when submerged, keeping water out effortlessly. They must actively open them for breathing.
  • Adaptations for Survival: The unique structure of seal noses allows them to remain underwater for extended periods, with some species diving over 1600 meters for up to two hours.

Distinctions Among Species

  • Arctic vs. Other Seals: Arctic seals possess larger nasal passages, optimizing air for warming before entering their lungs, demonstrating adaptation to their frigid environments.
  • Surprising Incidents: Other quirky facts include instances where juvenile Hawaiian monk seals have been photographed with eels lodged in their nostrils, sparking curiosity about underwater dynamics and feeding behavior.

Conclusion

This episode of The Weirdest Thing I Learned This Week paints a colorful picture of the lesser-known aspects of animal behavior and genetics. From the tenacity of poodles on the Iditarod trail to the intricate genetics of orange cats and the fascinating adaptations of seal nostrils, listeners are treated to a delightful blend of science and stories. Join us for the next episode, where more strange and wonderful facts await!

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