Ballpark — April 23, 2026
Answers to that day's 5 daily estimation questions.
Languages spoken in Papua New Guinea
840 languages
One country, hundreds of distinct tongues.
Average number of hairs on a human head
100,000 hairs
Blondes typically have the most, redheads the least.
Total length of the world's coastline
220,000 miles
Difficult to measure exactly due to the coastline paradox.
Volume of water in the Great Lakes
22,000 cubic km
Enough to flood the continental US 9 feet deep.
Letters in the longest word ever printed
190,000 letters
The chemical name for the protein titin.