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Why is it a bad idea to scare a vulture?
animals.howstuffworks.com/birds/vulture-vomit.htm
Vulture vomit is as gross as it sounds -- what's more, you're guaranteed a pile of it if you scare a vulture. Read about vulture vomit and vulture facts.
Could you have a heart attack -- and not know it?
health.howstuffworks.com/diseases-conditions/cardiovascular/heart/heart-attack-no-symptoms.htm
A heart attack with no symptoms is deadly. You're less likely to seek help if you think it's indigestion. Learn about a heart attack with no symptoms.
How Occupant Classification Systems Work
auto.howstuffworks.com/car-driving-safety/safety-regulatory-devices/ocs.htm
They enhance your airbag system, but few people know how occupant classification systems work. Learn how occupant classification systems work here.
How RV Hitches Work
auto.howstuffworks.com/auto-parts/towing/vehicle-towing/rv/rv-hitches.htm
RV hitches are vital accessories for RV owners. Learn all about RV hitches at HowStuffWorks.
Does everyone have claustrophobia?
health.howstuffworks.com/mental-health/mental-disorders/claustrophobia.htm
Claustrophobia is the term for fear of enclosed spaces -- it's physical and psychological. Read about claustrophobia and some common claustrophobic symptoms.
How Blue Screens Work
entertainment.howstuffworks.com/blue-screen.htm
When an actor dangles over an incredibly deep river gorge, blue screen photography is what makes it look real. Find out how the blue screen technique works and why it's so convincing.
What Is a Hard Drive and How Does It Work?
computer.howstuffworks.com/hard-disk.htm
Nearly every desktop computer requires a hard drive for data storage, but what is a hard drive, exactly? Your hard disk drive holds all of the information available on your computer. Take a look inside this incredibly precise storage mechanism!
How Helium Balloons Work
science.howstuffworks.com/helium.htm
Helium balloons tend to fascinate adults and children alike (and it's not just the Donald Duck voice thing, though that is a big draw). Learn all about helium and why it floats!
How Horsepower Works
auto.howstuffworks.com/horsepower.htm
Horsepower rates the engine performance of cars and even lawn mowers. Learn what horsepower means, how it is measured and how it works in high-performance cars.
13 Notable Movies Directed by Ron Howard
entertainment.howstuffworks.com/13-notable-movies-directed-by-ron-howard.htm
Ron Howard has directed many blockbusters and charming comedies, from Splash to A Beautiful Mind. Read this list of Ron Howard movies.