Ask Dr. Universe: Invention of paper helped cut costs, heavy lifting

Paper solved those problems. It’s light and foldable. It’s less expensive to produce. To make a little silk, people must ...
RealClearScience

What Did People Use Before Toilet Paper Was Invented?

What Did People Use Before Toilet Paper Was Invented? | RealClearScienceIn the early days of the COVID-19 pandemic, toilet paper was nearly as hard to come by as personal protective equipment. Though ...