SortStack #95 — 2026-09-12
By duration · Order from shortest to longest.
- One human heartbeat at rest 798 ms
Your heart beats roughly 100,000 times a day and around 3 billion times in a lifetime, pumping enough blood to fill an Olympic pool several times over.
- A Formula 1 qualifying lap of Monaco 1.2 min
Monaco is F1's slowest lap by average speed, yet drivers call it the hardest 78 corners-per-race of the year — the barriers forgive nothing.
- A flight from London to New York 8.2 h
Flying west against the jet stream adds about an hour versus the return leg — eastbound flights have surfed the tailwind to under 5 hours.
- A tiger's pregnancy 105 days
Cubs are born blind and helpless at around a kilogram — yet within two years they're apex predators ten times their mother's litter weight.
- The construction of the Great Pyramid of Giza 20 years
Herodotus and modern estimates agree on roughly two decades — meaning workers placed a multi-tonne block about every five minutes of daylight.
- The time since humans invented the wheel 5.5K years
Potter's wheels came before wheels for transport — and the oldest wooden wheel ever found, near Ljubljana, is about 5,150 years old.