In 1972, the US meteorologist Edward Lorenz asked a now-famous question: "Does the flap of a butterfly's wings in Brazil set ...

While market-working kids in India excel at mental calculations, they struggle with textbook math — while schoolchildren fail ...

His two early papers “What Numbers Could Not Be” (1965) and “Mathematical Truth” (1973) — the latter of which came to be called “the Benacerraf problem" — became instant classics and are discussed to ...

Wow was I wrong. I thought perhaps a few hundred Minnesota youngsters participated in the state’s Math League, and maybe 15-20 high schools. Way off.