Brad Pitt, Johnny Depp, and Helen Hunt will all turn 40 this year, according to the Yahoo! front page:
And yet, I thought they were at least ten years older. Could it be that the mathematical geniuses at yahoo.com don’t know that 50 is the sixth decade of life? Consider this: 0 to age 9 is the first decade, 10 to 19 is the second, 20 to 29 is the third, and so on. That means 50 to 59 is the sixth decade.