SortStack #55 — 2026-08-03

By size · Order from shortest to longest.

  1. A human red blood cell 8 µm

    Your body makes around 2 million of them every second to replace the ones that wear out after roughly 120 days.

  2. An average adult human 1.8 m

    Humans have grown roughly 10 centimetres taller on average over the past 150 years thanks to better nutrition.

  3. The Taj Mahal 73 m

    Its white marble appears to change colour through the day, glowing pink at dawn and golden under moonlight.

  4. The International Space Station 109 m

    Orbiting Earth roughly every 90 minutes, its crew sees about 16 sunrises and sunsets every single day.

  5. Angel Falls, Venezuela 979 m

    The world's tallest waterfall is so high the water often atomises into mist before it ever reaches the ground.

  6. The island of Crete (length) 260 km

    Home to Europe's oldest known city, Crete's Minoan palaces had running water and flushing toilets 3,500 years ago.

← All puzzles · Play today’s SortStack