ADVERTISEMENT Yoshiro Nakamatsu The 92-year-old Japanese inventor has more than three thousand patents on his account. He assures that the brain needs a lack of oxygen for active work. To “turn on” his brain, an elderly Japanese man submerges under water for a long time. Read more on the next page...Page 6 of 9Pages: 1 2 3 4 5 6 7 8 9ADVERTISEMENT