Ballpark — March 21, 2026
Answers to that day's 5 daily estimation questions.
Professional football stadiums in the NFL
30 stadiums
32 teams, but 30 primary stadiums.
Years a tortoise can live
150 years
Adwaita, an Aldabra giant tortoise, lived to 255.
Length of a day on Venus
243 Earth days
Venus rotates very slowly in the opposite direction.
Height of a giraffe
18 feet
The tallest land mammals.
Years the Berlin Wall stood
28 years
1961 to 1989.