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How Radio Scanners Work
electronics.howstuffworks.com/radio-scanner.htm
The air around you is bursting with radio waves -- and you can tap into them with minimal effort. With a simple radio scanner, all sorts of transmissions are within your earshot. Find out how radio scanners let you listen in on everything from police to astronaut transmissions.
Why Do We Sleep?
science.howstuffworks.com/life/inside-the-mind/human-brain/sleep.htm
Every animal sleeps -- some more than others -- but why they do it is a mystery to scientists. Is sleep more than just beauty rest? Could skimping on it kill you? And how much do you really need?
23 Must-Have Toys from the 1950s and Beyond
entertainment.howstuffworks.com/23-must-have-toys-from-the-1950s-and-beyond.htm
Remember your favorite toy? It probably created a big stir in stores. Read the selection of must-have toys to find out if yours made the list.
Slow Cooker Questions
recipes.howstuffworks.com/tools-and-techniques/slow-cooker-questions.htm
This article answers common slow cooker questions. Learn about using a slow cooker, including advice on slow cooker size, food safety, and more.
In Vitro Fertilization Overview
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fertility/in-vitro-fertilization.htm
In vitro fertilization is the most common type of assisted reproductive technology. Learn more about how the vitro fertilization process works.
How Rail Guns Work
science.howstuffworks.com/rail-gun.htm
Rail guns leave gunpowder-based weapons in the dust (one can hit a target 250 miles away in six minutes). So why isn't the military using them? Find out how rail guns can be used and learn about the limitations of this technology.
How Espresso Works
science.howstuffworks.com/innovation/edible-innovations/espresso.htm
It's a great pick-me-up in the morning and a perfect finish to a good meal. Ever think about trying to make this stuff at home? Find out what espresso actually is and how to make a perfect shot every time.
How Carbon Footprints Work
science.howstuffworks.com/environmental/green-science/carbon-footprint.htm
While actual footprints measure size, weight and speed, carbon footprints measure how much carbon dioxide (CO2) we produce in our daily lives. Do you know how big your carbon footprint is?
How Dual-clutch Transmissions Work
auto.howstuffworks.com/dual-clutch-transmission.htm
Dual-clutch transmissions offer the best of manual and automatic transmissions and are becoming increasingly popular. Learn about dual-clutch transmissions.
Infertility
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/fertility/infertility-ga.htm
Infertility is defined as a couple's failure to conceive a child after one year of regular sexual intercourse without birth control.