SortStack #655 — 2028-03-25

By duration · Order from shortest to longest.

1. An average human yawn 6 sec

   Yawns are so contagious they jump species: dogs catch yawns from their owners, and even reading the word can trigger one. You're welcome.

2. A typical national anthem performance at a sports event 1.5 min

   Uruguay's full anthem runs about five minutes, while Japan's 'Kimigayo' has just four lines — the shortest lyrics of any anthem on Earth.

3. A dentist-approved tooth brushing session 2 min

   Studies show most people actually brush for about 45 seconds while believing they've done the full recommended time.

4. A horse's pregnancy 340 days

   Foals can stand within an hour of birth and gallop within a day — a survival feature for a prey animal born on open grassland.

5. Mike the Headless Chicken's life after losing his head 1.5 years

   The 1945 axe missed Mike's brain stem; fed by eyedropper, he toured sideshows and his Colorado hometown still throws him an annual festival.

6. The age of the oldest known figurative cave painting (Sulawesi) 51.1K years

   The Indonesian rock art depicts wild pigs and human-like figures — painted tens of thousands of years before Lascaux's famous bulls.

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