The Japanese spider crab is the largest arthropod in the world, with a leg span of up to 4 meters (13 feet).

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.

In Japan, there is a dish called natto, which is fermented soybeans that have a strong smell and slimy texture.