SortStack #1693 — 2031-01-27

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. A house dust mite 0.3 mm

   Millions live in the average mattress, feasting on flakes of dead skin, yet they are too small for the naked eye to see.

3. A great white shark 5.2 m

   Great whites can detect a single drop of blood diluted in 100 litres of water from hundreds of metres away.

4. The Great Pyramid of Giza 139 m

   It was the tallest human-made structure on Earth for nearly 3,800 years until medieval cathedrals surpassed it.

5. The island of Manhattan (length) 21.5 km

   The entire island was famously bought from Native inhabitants in 1626 for goods worth a tiny sum.

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.

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