Normal paper is made of cellulose from trees, but paper money is made from cotton and linen fibers. Learn how this makes paper money more water-resistant in this podcast from HowStuffWorks.
Nov 21
What's the History of Skid Row?
<p>In downtown Los Angeles, the 50-block neighborhood called Skid Row is home to thousands of low-income people who live in tents, run-down hotels, and other temporary shelters on a permanent basis. Learn how Skid Row came about (and has persisted) in such a wealthy place in this ... Show More
11m 25s