The Japanese giant salamander is one of the world's largest amphibians and is native to Japan's freshwater rivers and streams.

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.

The Japanese language is written using three scripts: kanji (Chinese characters), hiragana, and katakana (both phonetic scripts).