Arik gets paradoxical, Allen goes deeper on runways, Arik considers raccoons, and Allen struggles with Instagram.

• Polar drift
• Coastline paradox
  • Planck length
  • Lewis Fry Richardson
  • Fractal GIFs
• How pilots land
• Why Raccoons Didn’t Cut It as Lab Rats
  • Raccoon
  • Rascal the Raccoon
  • The Thanksgiving Raccoon That Became a Presidential Pet