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.