SortStack #3345 — 2035-08-06

By size · Order from shortest to longest.

1. The width of a human hair 0.1 mm

   Hair width is so consistent it was once a unit of precision; forensic labs still match hairs to within fractions of this.

2. A single poppy seed 1.3 mm

   It takes roughly 3,000 poppy seeds to make a single gram, which is why they scatter so easily off a bagel.

3. A domestic cat (body length) 49 cm

   A cat has 32 muscles in each ear, letting it swivel them independently to pinpoint a sound's source.

4. 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.

5. An orca (killer whale) 8 m

   Orcas have distinct dialects passed down through families, essentially regional accents that differ between pods.

6. A tower of the Golden Gate Bridge 227 m

   The bridge's 'International Orange' colour was chosen partly because it stays visible in San Francisco's thick fog.

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