A previously undistinguished mathematician made significant progress on the Twin Primes Conjecture. “The Sieve of Eratosthenes does too good a job,” said a number theorist. “His sieve doesn’t do as good a job, because you’re not using everything you can sieve with.”

A previously undistinguished mathematician made significant progress on the Twin Primes Conjecture. “The Sieve of Eratosthenes does too good a job,” said a number theorist. “His sieve doesn’t do as good a job, because you’re not using everything you can sieve with.”