Ballpark — July 7, 2026

Answers to that day's 5 daily estimation questions.

Length of the Great Wall (all sections)

13,000 miles

The wall was built over many centuries by various dynasties.

Years a tortoise can live

150 years

Adwaita, an Aldabra giant tortoise, lived to 255.

Height of the tallest redwood tree (Hyperion)

380 feet

Its location is kept secret to protect it.

Hours a sloth spends moving each day

1 hour

Most of their day is spent sleeping or digesting.

Eggs a queen bee lays in one day

2,000 eggs

Necessary to maintain a hive of 50,000.