What Number Comes Next? The On-Line Encyclopedia of Integer Sequences Knows. The “mathematical equivalent to the FBI’s voluminous fingerprint files” turns 50 this year, with 362,765 entries (and counting).
Counting Russia’s War Dead in Ukraine Amid doubts about Moscow’s true war losses, Russian data journalists and volunteers use news articles, tombstone photographs and other open-source information to tally the Russian toll from the war in Ukraine.
Math Is the Great Secret If human beings invented numbers and counting, then how is it that there are numbers such as primes that have attributes no one gave them?