Mapping the construction of railroads in America

Looking at American time use for various combinations of sex, age, and employment status, on weekdays and weekends.

So people earn a six-figure income without working all the time. What do they do?

After an unsuccessful battery search, the natural next step was of course to look up battery sizes and chart all of them.

It’s gotten more difficult to get into top colleges over the years, but most schools have either admitted students at the same rate or increased admission rates since 2001.