With ideal conditions and strategic pacing and drafting, Kenyan Faith Kipyegon is on the brink of hitting the fabled track and field milestone, a new study suggests. The authors are now calling for a staged "Breaking 4" event to help her do it.

Winners today come, on average, from less wealthy families than when the prize began but there is still a long way to go

Approximately one in three young men lacks an adult male to consult for help with school or relationships. New survey data indicates this "mentorship gap" is most pronounced for boys living in lower-income families.