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

The 16th century saw the rise of Oda Nobunaga, Toyotomi Hideyoshi, and Tokugawa Ieyasu, who were instrumental in unifying Japan under a centralized government.

Japan has a robot that can play rock-paper-scissors with you and never loses.