Why doesn't paper money disintegrate in the w...

Your heart needs blood as much as any other muscle in your body, and it receives it the same way -- just a little earlier than anyone else. Learn how the coronary arteries work (and what can go wrong when they don't) in this episode of BrainStuff, based on this article: https://h ...  Show more

Butterfly wings often come in striking, iridescent colors -- but it's not from pigments (or not entirely). Learn how microscopic structures give butterfly wings their flash in today's episode of BrainStuff, based on this article: https://animals.howstuffworks.com/insects/butterfl ...  Show more

How is paper made from trees? Why does paper fall apart when it gets wet? Why does it lose color in the sun? Who invented paper? We make a few sheet of paper and learn all about how it's made with artist Carol Marie Vossler at BluSeed Studios in Saranac Lake, New York.

You've got questions -- and the TechStuff guys have answers. Listen in as they tackle more listener mail, from online scams to overcharging batteries, in this podcast from HowStuffWorks.com.

Origami is an amazing art that consists of making folds in paper to create something beautiful. Learn all about it today.

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The swift evolution of printing technology has spawned several types of printers. Check out the HowStuffWorks web site to learn more about the history and future of printers.