SortStack #2407 — 2033-01-10

By size · Order from shortest to longest.

1. An almond 2.4 cm

   Almonds are seeds of a fruit related to peaches, and raw bitter ones naturally contain traces of cyanide.

2. A hen's egg 5.5 cm

   An eggshell has up to 17,000 tiny pores that let the developing chick breathe through the surface.

3. A standard house brick 22.5 cm

   Fired clay bricks have been made the same basic way for over 5,000 years, outlasting the empires that baked them.

4. A Bengal tiger (body length) 2.1 m

   A tiger's roar can be heard up to three kilometres away and carries frequencies low enough to paralyse prey with fear.

5. The Washington Monument 165 m

   Look closely and the stone changes shade partway up, marking where construction paused for over 20 years.

6. The Pan-American Highway (length) 30K km

   It runs almost pole to pole but for one gap: the roadless Darien jungle between Panama and Colombia.

← All puzzles · Play today’s SortStack