Everything You Didn't Know About the Rat Pack

Dean Martin: The Introvert

Dean Martin was painted as an easy-going, casual guy who liked to party. In reality, Dean Martin was a mostly-sober introvert who enjoyed a nice night in rather than a wild night out. By the end of his life, he was quite the hermit.

The More You Know

It's a tradition in Ireland that if you donated a pint of blood, they give you a pint of Guinness to replace the iron.
Your heart beats 100,000 times a day.
The first American woman to go to medical school was admitted as a joke. Geneva Medical School thought it was joke when Elizabeth Blackwell applied to attend 1847. She graduated in 1849, started her own practice, and opened an infirmary for the poor.
There are more twins now than ever before.

Post originally appeared on Upbeat News.