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How Twins Work
science.howstuffworks.com/life/genetic/twin.htm
Twins are unique people who are also eerily similar to each other. Do twins really have ESP? Learn how twinning happens and what types of twins are out there.
28 Industrial Revolution Inventions That Shaped Our World
science.howstuffworks.com/innovation/inventions/5-industrial-revolution-inventions.htm
Many inventions during the Industrial Revolution caused Europeans and Americans to move from an agricultural economy to an industrial one and changed the world forever. What were the top 10?
How MagicJack Works
electronics.howstuffworks.com/how-magicjack-works.htm
Can an inexpensive device like a MagicJack really save you money on phone service? Find out how MagicJack works and whether it's the real deal.
How Brickfilm Works
entertainment.howstuffworks.com/brickfilm.htm
Stop-motion animation takes on its own unique charm when it's done with building blocks such as Lego bricks. In fact, there's an entire culture of filmmaking built around this niche style.
How Mortgages Work
home.howstuffworks.com/real-estate/buying-home/mortgage.htm
A mortgage is a loan in which your house functions as the collateral. Learn about mortgages in this article from HowStuffWorks.
How to Care for Your Feet
health.howstuffworks.com/wellness/hygiene-tips/how-to-care-for-your-feet.htm
We demand a lot from our feet, so they must be cared for. Exercises, stretching, and proper footwear can help. Learn how to care for your feet here.
How to Fall Asleep
health.howstuffworks.com/mental-health/sleep/basics/how-to-fall-asleep.htm
How to fall asleep and stay asleep is a complex question that can affect your daily routine. Learn how to hit the sweet spot in your sleep-wake cycle.
How IMAX Works
entertainment.howstuffworks.com/imax.htm
If you've ever seen an IMAX movie, you know it's not a typical film. It sometimes takes years to produce, resulting in an incredible, unmatched viewing experience. Find out all about some amazing movie-making technology!
How X-rays Work
science.howstuffworks.com/x-ray.htm
X-ray machines seem to do the impossible: They see straight through clothing, flesh and even metal, thanks to some very cool scientific principles at work. Find out how X-ray machines see straight to your bones.
How Camera Flashes Work
electronics.howstuffworks.com/camera-flash.htm
A camera flash seems like a pretty basic device, but there's actually some interesting circuitry at work. Find out how a flash charges up and see exactly what happens the instant it goes off.