SortStack #2632 — 2033-08-23

By weight · Order from lightest to heaviest.

1. A single sesame seed 3 mg

   Sesame is one of humanity's oldest oil crops, domesticated in South Asia more than 3,000 years ago.

2. An adult house mouse 19 g

   Male mice sing ultrasonic courtship songs too high-pitched for humans to hear, with repeated phrases like birdsong.

3. A stick of butter 113 g

   US butter sticks come in two shapes: the stubby 'Western' stick exists because West Coast dairies bought different molds.

4. An upright piano 220 kg

   Inside is a cast-iron plate holding strings at a combined tension of roughly 18 tonnes of pull.

5. An adult hippopotamus 1.5 t

   Hippos cannot actually swim — they sink and gallop along the riverbed, surfacing to breathe every few minutes.

6. An adult blue whale 140 t

   The largest animal ever known has a heart the size of a small car, and its calves gain roughly 90 kg per day on milk alone.

← All puzzles · Play today’s SortStack