What Counts as a Mountain? – Tom Scott

Mountains: super tall, rocky landforms that rise high above the surrounding environment, much higher than hills. We might draw one as a single peak like Mount Fuji, or as a zig zag line of peaks representing a mountain range. Mount Everest (also known as Sagarmāthā and Chomolungma) is Earth’s highest peak above sea level, but it’s also surrounded by tall mountains in…… Continue reading What Counts as a Mountain? – Tom Scott

ZIP codes – Vox

The ‘zip’ in zip code stands for The Zone Improvement Plan, an address code system that was invented in 1963 to help the United States Postal Service (USPS) deliver the increasing amount of mail being sent around the country. Each subset of numbers within the zip code identifies where you live with 10 main regions…… Continue reading ZIP codes – Vox