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What is laughter therapy?
science.howstuffworks.com/life/laughter-therapy.htm
What is laughter therapy? Find out what laughter therapy is at HowStuffWorks.
Can you delay dementia?
health.howstuffworks.com/mental-health/dementia/delay-dementia.htm
Can you delay dementia? You can't prevent dementia, but you can slow its onset. Learn how to delay dementia by keeping your mind and body limber.
How Tattoos Work
health.howstuffworks.com/skin-care/beauty/skin-and-lifestyle/tattoo.htm
Tattoos decorate the body with ink injected into the skin. Learn about creating tattoos, from sterilizing tattoo equipment to finding a tattoo parlor.
Should antibacterial soap be outlawed?
health.howstuffworks.com/skin-care/cleansing/myths/antibacterial-soap-outlawed.htm
Should antibacterial soap be outlawed? Read why antibacterial and antimicrobial products may threaten public health and affect your immune system.
Food Safety Tips
recipes.howstuffworks.com/tools-and-techniques/food-safety-tips.htm
Follow these food safety tips to avoid food poisoning or illness. Learn our food safety tips here.
How Archaeology Works
science.howstuffworks.com/environmental/earth/archaeology/archaeology.htm
Archaeology is the study of ancient civilizations and human remains, such as buildings, art or trash. Learn about archaeology and archaeologists.
How Biometrics Works
science.howstuffworks.com/biometrics.htm
With the help of Q, James Bond can breeze through a security system that requires the villain's irises, voice and handprint. Biometrics isn't just for the movies. Real-life businesses and governments are using it. Check it out.
How Bluetooth Works
electronics.howstuffworks.com/bluetooth.htm
Bluetooth allows electronic equipment to connect without wires. So how does it work?
How Jellyfish Work
animals.howstuffworks.com/marine-life/jellyfish.htm
Although jellyfish have been around for over 650 million years, they're stil very mysterious. Learn the basics and the jellyfish life cycle.
How Air Purifiers Work
home.howstuffworks.com/air-purifier.htm
Americans spend an estimated $250 million annually on air purifiers for their homes. Learn why people buy air purifiers and how they work.