Researchers recently published estimates for the amount of area undisturbed by humans — marine wilderness — left on the planet. Kennedy Elliot for National Geographic mapped the results.
Mapping the ocean undisturbed by humans
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Sleep Schedule, From the Inconsistent Teenage Years to Retirement
From the teenage years to college to adulthood through retirement, sleep is all over the place at first but then converges towards consistency.
Income in Each State, Adjusted for Cost of Living
A dollar might not buy you as much in one state as it does in the other.