Maps of world

Map of all of the surface of Earth. Maps of continents, countries, regions, and cities.

Transport

Worldwide Airline Routes

In 1926, fewer than 6,000 Americans flew commercially. By 2024, nearly 5 billion people traveled by air globally. The maps in this post show how dramatically our skies have changed—from the simple routes of the 1920s to today’s complex web connecting 3,200 airports through 60,000 routes.

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Humanity

Average Body Hair Distributions

Androgenic (body) hair is the terminal hair that grows on the body beginning to puberty period. It is distinguished from the head hair and less noticeable vellus hair that is much finer and lighter in color. The growth of androgenic hair is linked to androgens’ level and the density of androgen receptors in mesenchymal cells in the skin.

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