Society / Life

Society / Life

• Society / LifeWhy are Japanese post boxes red?
• Society / LifeWhy do railway crossings have alarms?
• Society / LifeWhy are manhole covers round?
• Society / LifeWhy is tactile paving often yellow?
• Society / LifeWhy do escalator steps have grooves?
• Society / LifeWhy do power lines sag?
• Society / LifeWhy do vending machines exist?
• Society / LifeWhy do roads have speed limits?
• Society / LifeWhy do maps have legends?
• Society / LifeWhy are public benches provided?
• Society / LifeWhy do cities have parks?
• Society / LifeWhy must power grids balance generation and use?
• Society / LifeWhy must water be treated before use?
• Society / LifeWhy is waste sorted?
• Society / LifeWhy do hospitals use appointments?
• Society / LifeWhy do libraries classify books?
• Society / LifeWhy do schools use timetables?
• Society / LifeWhy do apartment buildings have shared rules?
• Society / LifeWhy do buildings have elevators?
• Society / LifeWhy do buildings hold fire drills?
• Society / LifeWhy do emergency services use dedicated numbers?
• Society / LifeWhy do pedestrian crossings exist?
• Society / LifeWhy do traffic lights use timed cycles?
• Society / LifeWhy do roads have lane markings?
• Society / LifeWhy do buses stop at designated stops?
• Society / LifeWhy does public transport use timetables?
• Society / LifeWhy can taxes affect prices?
• Society / LifeWhy does money have denominations?