More than a century after Srinivasa Ramanujan scribbled his lightning-fast formulas for π in a notebook, physicists are finding that the same strange patterns help describe black holes and the fabric ...

For more than a century, Srinivasa Ramanujan’s uncanny formulas for the number pi have looked like pure mathematical fireworks, dazzling but detached from the physical world. Now a new wave of ...

Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14 — the first three digits of an infinite number with many practical ...