PlacesMind-BlowingA mathematical thought experiment once claimed that if China's population walked past you in single file, the line would never end due to reproduction rates—but China's population is now declining for the first time since 1961.1k9k
ScienceMind-BlowingIf you had 10 billion $1 notes and spent one every second of every day, it would require 317 years for you to go broke.1381k
EntertainmentWeirdIn the cartoon "The Jetsons", Jane Jetson is 33 years old and her daughter Judy is 15, meaning Jane became a mother at just 18 years old.901k
HistoryMind-BlowingAncient India developed the decimal place-value number system around 500 CE, and mathematician Brahmagupta formally defined zero as a number in 628 CE.803k
ScienceInterestingIf you flip a coin ten times, the odds against its coming up with the same side showing each time are 1,023 to 1.481k
ScienceMind-BlowingThe mathematical proof that 1+1=2 takes over 360 pages of groundwork in Bertrand Russell and Alfred North Whitehead's three-volume work "Principia Mathematica," with the actual theorem finally proven on page 379 of the first volume.463k
PlacesInterestingIn international education rankings, American students consistently score in the middle of the pack among developed nations in math and science, yet American students report among the highest levels of confidence in their own abilities—a phenomenon researchers call the 'confidence gap.'51k