Just how many inches is your index finger actually?
I recently grabbed a ruler to see how many inches is your index finger on average, and it turns out the answer says a lot more about our biology than I expected. Most of us don't really think about our hands until we're trying to fit them into a tight pair of gloves or wondering if our "pointer" is long enough to reach that annoying button on the far side of a new smartphone. But when you actually sit down and measure, you start noticing that every hand is a weird, unique masterpiece of bone and skin. ...