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Charts & Graphs
Cultural calendars and their holidays.
Growth and regeneration, from blood cells to taste buds.
Epic filibusters in the U.S. Senate.
The average life span of animals in nature.
When Mozart slept and when the Queen takes her tea.
Prison sentences of the famous and infamous.
What it all costs, minute by minute.
...ten days for the Pony Express to deliver a letter and 0.016 seconds for the atomic bomb to explode.
A lot can happen in 250 milliseconds.
Clocks, calendars, and dating systems.