Add an eye-opening ah-ha! moment to every day with the wide-ranging cool and quirky knowledge on every page of the Mental Floss Amazing Facts 2025 Calendar.
Learn something amazing every day thanks to Mental Floss's Amazing Fact Generator™! From pop culture to world history, from science to sports, open your mind to over 300 bizarre, funny, and fascinating new facts to share with friends and family. Measures 4.6 x 4.6 inches.
