The airbag, which was co-invented by Yasuzaburo Kobori and Allen K. Breed in the 1980s, has become a standard safety feature in automobiles worldwide.

Japan has a high-tech toilet that can analyze your urine and give you health advice.

The Kamakura period, which lasted from the 12th to the 14th century, was a time of political upheaval and marked the rise of the shogunate.