The distance between bases is 90 feet (27.43 meters), unchanged since the 1840s. One meter longer and infield hits would vanish. One meter shorter and ground-ball outs would nearly disappear. Ninety feet is the miraculous equilibrium where human running speed and throwing speed are perfectly balanced.
Eight of nine defensive players face home plate. Only the catcher faces the opposite direction, toward the pitcher, sharing the same viewpoint as the fans behind home plate. This reversed orientation makes the catcher baseball's most unique position.
NPB uniforms evolved from wool to high-tech materials, from simple designs to sponsor-branded commercial designs, with special uniforms becoming a major business strategy.
Watch a baseball game from above and you'll notice players spend a disproportionate amount of time facing left. Right-handed batters face left, runners circle counterclockwise, and fielders orient leftward tracking batted balls. Baseball is structurally a leftward-facing sport.
When a batter hits a ground ball and sprints to first, they run without watching where the ball went. Baseball is the only sport where players run away from their own play. Why? The answer is built into the field's geometry.
The baseball bench is called a 'dugout,' literally meaning 'dug out.' Why do baseball benches sit below field level? The answer involves spectator sightlines, player safety, and early 20th-century stadium design.
Baseball players wear a glove on only one hand. Two gloves would make catching easier, so why not? 'Because you need to throw' is only half the answer. The real reason is embedded in baseball's fundamental motion design.