Akira Haraguchi, 69, is a legend among memory masters, having memorised more of pi’s digits than anyone else. Here he talks about why he does it and how he will be celebrating pi’s big day Pi Day 2015 ...

TOKYO – A Japanese mental health counselor recited pi to 100,000 decimal places from memory on Wednesday, setting what he claims to be a new world record. Akira Haraguchi, 60, needed more than 16 ...

A Japanese mental health counselor recited pi to 100,000 decimal places from memory, setting what he claims to be a new world record. Akira Haraguchi, 60, needed more than 16 hours to recite the ...

TOKYO — A Japanese mental health counselor recited pi to 100,000 decimal places from memory on Wednesday, setting what he claims to be a new world record. Akira Haraguchi, 60, needed more than 16 ...

Akira Haraguchi, of Kisarazu, Chiba Prefecture, is a world-class athlete, and in his particular sport he is the best in the world. You might be puzzled if you saw him: He's 72, a retired engineer and ...

A Japanese mental health counsellor broke the record for reciting pi from memory in a marathon session from Friday to early Saturday morning. Newspaper pictures showed Akira Haraguchi, 59, screwing up ...

(CNN) -- Akira Haraguchi recited 100,000 decimal places of pi from memory. Think you need to sharpen your powers of recall? Here's how. Untie that knot in your handkerchief: Only characters from ...

Akira Haraguchi says he was never a genius in school. But at 59, the Chiba man recited pi -- the ratio of the circumference of a circle to its diameter -- from memory to 83,431 decimal places. "My ...

Add articles to your saved list and come back to them any time. A Japanese mental health counsellor recited pi to 100,000 decimal places from memory on Wednesday, setting what he claims to be a new ...

Akira Haraguchi, a consultant in suburban Tokyo, started Tuesday at 9:00 am local time and did not rest until 1:30 am as he read out pi? the ratio of a circle’s circumference to its diameter which has ...