Health conditions and income

What percentage of a waiter and waitress’s income comes from tips and what comes from salary? The calculation isn’t straightforward but we can try.

It’s hard to think of much else. These maps show the racial divide between black and white people in major cities.

Imagine that those with immigrants in their family tree left the country. Almost everyone, basically.

Keep track of the 214 days out of the year that are a national food or drink days.