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

The oil crisis of the 1970s had a major impact on Japan's economy, leading to increased focus on energy conservation and alternative sources of energy.

Naruto, created by Masashi Kishimoto in 1999, is a popular manga and anime series that follows the adventures of a young ninja as he strives to become the strongest ninja in his village.