3Blue1Brown explains exponential growth and epidemics and answers the question of when the curve levels off:
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I’m terrible at names, but maybe data can help. Put in your sex, the decade when you were born, and start putting in your name. I’ll try to guess before you’re done.
Based on the “half-your-age-plus-seven” rule, the range of people you can date expands with age. Combine that with population counts and demographics, and you can find when your non-creepy dating pool peaks.
Which sandwich do people not like the most? The winner: the Cheese and Tomato, if that even counts as an actual sandwich.
From the teenage years to college to adulthood through retirement, sleep is all over the place at first but then converges towards consistency.
