What Numbers Should Everyone Memorize?
by Nick Douglas from Lifehacker on (#4RR6Q)
There are currently 327 million people in the U.S. That's about 4% of the 7.7 billion people on earth. I find it extremely useful to remember these three numbers when I'm reading any other statistic. One fluid ounce is just under 30 mL, and if I could memorize that, I'd find it useful at the grocery store. So what"