Strangely, if presented with one number at a time, at one digit per second, Lu's recall is no better than the average person's, Ercisson and colleagues found.

CNN: On Pi Day, finding strength in numbers

More important, he has a double-digit lead in New Hampshire over John Kerry, the one-time front-runner, and is in a close race with Mr Gephardt in Iowa.

ECONOMIST: Howard Dean

Excluding these one-time events, the company said ad revenue would have grown in the "low single digit" percentages.

WSJ: CBS' Moonves dismisses Aereo as 1Q earns top views

State polls seem to have turned Mr Bush's way: according to new numbers from Gallup, for instance, he now has double-digit leads in both Missouri and Ohio, which he won last time, and a tiny one-point lead in Pennsylvania, which Al Gore won.

ECONOMIST: The presidential election