But don't be surprised: She can unleash maelstroms at the piano, throw an elbow and pound a fist, then make a U-turn and come back swinging.

NPR: Joanne Brackeen: A Maelstrom On The Keys

Stoner's return - providing he can come back fit, strong and positive - could actually make life a little easier for Rossi, who would benefit from having another guy in the race who can challenge Lorenzo.

BBC: Steve Parrish's MotoGP column

And many people have had guesstimates saying that it would take more than a decade, decades even, to make it -- just to come back to where it was.

WHITEHOUSE: Press Briefing

So I think what the President has asked GM to do today is to sit down and go back to that table, re-plan and come back again, and we'll certainly make a determination.

WHITEHOUSE: White House Press Briefing

For instance, scientists need to use pi when calculating how "loops" -- particles that transform themselves into other particles, and then come back together to make the original particle again -- contribute to a particle's mass.

CNN: Scientists more certain that particle is Higgs boson