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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 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.
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 Moissanite Jewels Work
science.howstuffworks.com/environmental/earth/geology/moissanite.htm
Moissanite is explained in this article. Learn about moissanite.
How a 'War of the Worlds' Radio Broadcast Panicked America
entertainment.howstuffworks.com/arts/literature/war-of-the-worlds.htm
The 'War of the Worlds' radio broadcast on Oct. 30, 1938 is one of the most famous in history, mainly because Americans believed aliens were invading.
Birthday Astrology
entertainment.howstuffworks.com/horoscopes-astrology/birthday-astrology.htm
Astrology, the prediction of personality traits and future events, is based on the relationship between the planets. Learn more about astrology.
Questions about Cooking with Chocolate
recipes.howstuffworks.com/tools-and-techniques/questions-about-cooking-with-chocolate.htm
Cooking with chocolate is full of challenges, from which type to use to how to melt it. Find answers to common questions about cooking with chocolate.
Can scientists clone dinosaurs?
science.howstuffworks.com/environmental/earth/geology/dinosaur-cloning.htm
Dinosaur cloning was first popularized in the movie 'Jurassic Park.' Read about the science of cloning dinosaurs and where we might find dinosaur DNA.
Spider Activities
lifestyle.howstuffworks.com/crafts/animal-crafts/spider-activities.htm
Learn more about the graceful spider when you participate in these innovative spider activities. Find out how to preserve a spiderweb and much more.
Is what we're recycling actually getting recycled?
science.howstuffworks.com/environmental/conservation/issues/recycling-reality.htm
The waste collectors threw your recyclables into one big bin on their truck. How do you know your recyclables are being recycled? And what happens to them next?