Leaders at the Asian-African Summit have called for change in the international order. The biggest nation pushing for this has been China. Speaking at the Summit's final day, Chinese President Xi Jinping stressed his willingness to contribute to Asian and African development. He said China will do this by creating a large framework for multinational economic growth. He was referring to China's proposed Asian Infrastructure Investment Bank, or AIIB.

Today's focus is on a trailblazing Japanese scientist. Shuji Nakamura won last year's Nobel Prize in Physics with two other scientists for contributing to the development of the blue light-emitting diode, or LED. That goal was once regarded as impossible to achieve. Nakamura used to work at a Japanese firm. He later moved to the United States and co-founded a venture company. He visited Japan recently to promote his firm's latest products.

NHK World's Miki Yamamoto spoke to him about his passion for invention.