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How do painkillers know where you hurt?
health.howstuffworks.com/medicine/medication/how-do-painkillers-know-where-you-hurt.htm
As kids, we couldn't use big words to describe our scrapes, but we could point, and somehow the medicine knew where we hurt. It still does. How?
How to Tap a Keg
home.howstuffworks.com/beer-keg.htm
It's the centerpiece of many festive occasions. It keeps beer fresh and makes it portable. So how is it designed and manufactured? And where does it go when its party days are over?
You Already Have This Surprisingly Simple Good Luck Charm
people.howstuffworks.com/culture-traditions/body-art/5-bizarre-good-luck-charms.htm
A good luck charm is only as effective as your belief in it, but that's still powerful. It's like the placebo effect. What's the harm in a positive outlook?
10 Online Business Ideas That Never Took Off
money.howstuffworks.com/10-online-business-ideas-that-never-took-off.htm
Some online businesses were flat-out terrible ideas, while others were ahead of their time. See 10 of these online business ideas that never took off.
Top 10 Ghost Tours
science.howstuffworks.com/science-vs-myth/afterlife/top-5-ghost-tours.htm
Ghost tours give tourists the opportunity to brush shoulders with spirits, or at the least, hear a few good ghost stories. Learn about ghost tours.
10 Science Questions You Should Really Know How to Answer
science.howstuffworks.com/innovation/science-questions/10-science-questions-you-should-know.htm
Why is the sky blue? What's relativity all about? If you're thinking, "something to do with light and physics and stuff," we have some short explanations for you.
10 Tips for Choosing Your Kid's First Car
auto.howstuffworks.com/car-driving-safety/10-tips-for-choosing-your-kids-first-car.htm
Choosing your kid's first car can be a nerve-racking experience. Find out if there's a better way to choose your kid's first car at HowStuffWorks.
How Auto Transport Works
auto.howstuffworks.com/under-the-hood/auto-manufacturing/auto-transport.htm
Auto transport companies transfer vehicles to different destinations. Learn how cars get from the manufacturer to the dealerships with auto transports.
How Earthworms Work
animals.howstuffworks.com/animal-facts/earthworm.htm
Earthworms aren't just good for fish bait. Read about earthworm anatomy, reproduction and life as an earthworm at HowStuffWorks.
How NASA Planetary Protection Works
science.howstuffworks.com/nasa-planetary-protection.htm
What if your job were to protect life in the galaxy at all costs? Read about NASA's Planetary Protection program at HowStuffWorks.