SortStack #1434 — 2030-05-13

By size · Order from shortest to longest.

1. A single grain of pollen 40 µm

   Pollen grains have survived intact for millions of years, letting scientists reconstruct ancient forests from lake-bed sediment.

2. A sesame seed 3 mm

   Sesame is one of the oldest oilseed crops, cultivated for more than 3,000 years across Africa and Asia.

3. A cheetah (body length) 1.2 m

   A cheetah's spine works like a spring, flexing so much that its stride can cover seven metres at full sprint.

4. A classic Volkswagen Beetle 4.1 m

   The Beetle stayed in production for over 65 years, making it one of the longest-running car designs ever.

5. A wooden utility pole 18.5 m

   Most are pressure-treated with preservatives so they can stand outdoors for 40 years or more without rotting.

6. The Panama Canal 85 km

   Ships are lifted 26 metres above sea level by locks, then lowered again, crossing a continent without touching the ocean between.

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