Serena Williams, greatest of all time

When looking into getting a pet, it’s important to consider life expectancy. You probably don’t want to accidentally sign up for a twenty-year commitment with an impulse adoption at the pet store.

When Americans had sex, moved in with someone, and so on. Often not average. Far from normal.

For various occupations, the difference between the person who makes the most and the one who makes the least can be significant.

Baby names gain sudden popularity for various reasons. See how it’s changed over the years.