What are the most interesting text-book "did you know"s?

Pre-College Topics High School Life
1

<p>I’m sure we have all read those pop-outs that appear in our academic textbooks. I’ve seen some about the habits and idiosyncrasies of mathematicians in my math textbooks and some about intriguing substances in my chemistry textbook.</p>

<p>What are some of your favorite "did you know"s from textbooks?</p>

2

<p>That Caligula appointed his horse as senator.</p>

<p>In ancient times, Chinese women couldn’t commit suicide by the sword (since it was only allowed for men warriors to do so), so they had to tie their legs up, and cut their throats for suicide.</p>

3

<p>Did you know the dot above the letter “i” is called a tittle?</p>

4

<p>^</p>

<p>What textbook? o.O</p>

5

<p>That on average, a randomly selected person on earth has 1 testicle and 1 ovary.</p>

6

<p>My chemistry textbook gave the chemical composition for cocaine :o</p>

7

<p>^</p>

<p>Just what I needed!</p>

8

<p>@LoseYourself It actually wasn’t in a textbook. It was in this daily planner book that I used last year.</p>

9

<p>Hahahahaha! I did not know that! I once read a caption that went along the lines of, “You can’t get pregnant when you don’t have sex.” It blew my mind, seriously.</p>