This movie will instead start from a new page, with an international-heavy cast that includes Svetlana Khodchenkova as Viper, Hiroyuki Sanada as gang boss Shingen, Tao Okamoto as his daughter Mariko, Rila Fukushima as assassin Yukio, Hal Yamanouchi as gangster Yashida, Will Yun Lee as villain Silver Samurai and Brian Tee as a corrupt politician.

FORBES: First Official Image of Hugh Jackman as 'The Wolverine'

While their long-term effectiveness is unclear, Yun and Lee believe these also will spur the body's trauma response.

FORBES: Rethinking Biology

The next big boom in medical devices will come from extending electrical stimulation to areas outside the heart, say Yun and Lee.

FORBES: Money & Investing