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What's a shark's "yummy hum"?

animals.howstuffworks.com/fish/sharks/shark-yummy-hum.htm

A yummy hum is a sound that dying fish emit -- it's like a dinner bell to a shark. Read about the theory of the yummy hum and how it beckons sharks.

How Criminal Recycling Works

people.howstuffworks.com/criminal-recycling.htm

Criminal recycling centers on a growing group of lawbreakers who steal recyclables and exchange them for cash. Learn how criminal recycling works.

How MREs Work

science.howstuffworks.com/mre.htm

Coalition troops have been surviving mainly on MREs (Meals Ready to Eat) for most of Operation Iraqi Freedom. Learn what these portable, adaptable and absolutely essential pieces of military technology are all about.

How Investment Scams Work

money.howstuffworks.com/personal-finance/financial-planning/investment-scams.htm

Investment scams are popular fraud among con artists. Learn more about investment scams at HowStuffWorks.

Science Projects for Kids: Nutrition and Health

lifestyle.howstuffworks.com/crafts/science-projects/science-projects-for-kids-nutrition-and-health.htm

Science projects for kids: nutrition and health is packed with educational and fun ideas. Check out science projects for kids: nutrition and health.

How much does a NASCAR race car cost?

auto.howstuffworks.com/auto-racing/nascar/nascar-basics/nascar-race-car-cost.htm

How much does a NASCAR race car cost? Each year, teams spend millions on cars and car-related expenses. Learn how much might a NASCAR race car cost.

How Organic Food Works

science.howstuffworks.com/environmental/green-science/organic-food.htm

Organic food promises freedom from synthetic ingredients. Find out what organic food is, how organic farming works, what the pros and cons are, and why you should care.

How Brake Failure Works

auto.howstuffworks.com/auto-parts/brakes/brake-problems/brake-failure.htm

Brake failure is an extremely dangerous occurrence, though it is rare for regular cars. Learn all about brake failure at HowStuffWorks.

How Earthquakes Work

science.howstuffworks.com/nature/natural-disasters/earthquake.htm

An earthquake is one of the most terrifying phenomena that nature can dish up. We generally think of the ground we stand on as "rock-solid" and completely stable. An earthquake can shatter that perception instantly, and often with extreme violence.

What will homes look like in 50 to 100 years?

home.howstuffworks.com/homes-look-like-50-to-100-years.htm

Fifty years ago, people's concept of "homes of the future" was something like this, a far cry from how modern homes really turned out. So will future homes finally meet our wildest futuristic expectations? We make our own predictions in this article.

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