SortStack #2589 — 2033-07-11

By size · Order from shortest to longest.

1. 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.

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. A Brachiosaurus (length) 22 m

   It held its neck high like a giraffe, possibly needing a heart of enormous power to pump blood up to its brain.

4. 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.

5. The Channel Tunnel 50.5 km

   Trains run through three parallel tubes beneath the seabed, with a smaller service tunnel between them for safety.

6. The Mississippi River (length) 3.7K km

   A raindrop falling at its source takes about 90 days to drift all the way down to the Gulf of Mexico.

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