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How Fear Works
science.howstuffworks.com/life/inside-the-mind/emotions/fear.htm
Fear is the brain's reaction to a stimulus where chemicals are released that raise the heart rate. Learn about fear and the different fear responses.
How Fingerprinting Works
science.howstuffworks.com/fingerprinting.htm
Fingerprinting is a popular technique for identifying criminals and authenticating access. Learn about fingerprinting and its storied history.
How Planned Parenthood Works
people.howstuffworks.com/planned-parenthood.htm
Planned Parenthood is pretty controversial for a nonprofit organization. As the largest abortion provider in the U.S., Planned Parenthood has its share of critics.
Dementia Overview
health.howstuffworks.com/mental-health/dementia/dementia.htm
Dementia takes your episodic memory, or your memory of recent events, and then proceeds to other types of memory loss. Who's at risk for dementia?
How Pizza Works
science.howstuffworks.com/innovation/edible-innovations/pizza.htm
People have strong opinions about pizza -- in terms of passion, it ranks right up there with politics and religion. How did this Italian peasant food become a diet staple?
How Escape Rooms Work
entertainment.howstuffworks.com/puzzles/escape-rooms.htm
Bring your friends and team up with total strangers to solve your way out of a room full of puzzles. Learn all about escape rooms at HowStuffWorks.
How Whole-Body Cryotherapy Works
health.howstuffworks.com/diseases-conditions/pain/medication/whole-body-cryotherapy.htm
Supercooled nitrogen gas could hold a secret for pain relief. Learn more about whole-body cryotherapy at HowStuffWorks.
10 'Harmless' Things You Should Really Wash Your Hands After Touching
Of course you wash your hands after you use the restroom or work the room at a networking event. But what about after you play beer pong? Or cuddle a duckling?
How Dark Matter Works
science.howstuffworks.com/dictionary/astronomy-terms/dark-matter.htm
For decades, stargazing scientists have been facing their own darkness on the edge of town as they try to explain one of astronomy's greatest mysteries: dark matter. Have they been successful, or will the universe carry its secrets for a long time?
Top 10 Heart Attack Symptoms That Should Have You Calling 911
health.howstuffworks.com/diseases-conditions/cardiovascular/heart/5-heart-attack-symptoms.htm
There are certain heart attack symptoms that should have you calling 911 pronto. Learn about ten major heart attack symptoms and find out why heart attacks occur at all.