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Your search for "research and development" returned 3,145 results
How Ultrasound Works
science.howstuffworks.com/ultrasound.htm
Ultrasound lets us peek into the human body to see everything from heart valves to a moving baby. But how do sound waves give us a picture?
How Junk Food Works
recipes.howstuffworks.com/junk-food.htm
Junk food is a miracle of edible engineering. Learn about the history and science behind junk food.
Do penicillin allergies run in families?
A penicillin allergy may be genetic or it may be caused by environmental factors. Find out what causes penicillin allergies from this article.
How Silly String Works
entertainment.howstuffworks.com/silly-string.htm
In December 2006, news agencies reported that American and British troops in Iraq had developed an inventive method for finding tripwires: spraying Silly String. Find out how Silly String works.
How does postpartum depression affect infants?
How does postpartum depression affect infants? Visit HowStuffWorks to learn how postpartum depression affects infants.
Why do Shriners drive those little cars?
money.howstuffworks.com/why-do-shriners-drive-little-cars.htm
It's impossible to keep a straight face when you see a Shriner drive a little car. But the Shriners actually do serious work. Learn more.
Will Brain-computer Interfaces Make Knowledge Streamable?
science.howstuffworks.com/brain-computer-interfaces.htm
Could a computer chip implanted in our brains make the necessity of actually learning anything, like a language, obsolete because knowledge will be available for streaming 24/7?
How Speech Recognition Works
electronics.howstuffworks.com/gadgets/high-tech-gadgets/speech-recognition.htm
Speech recognition allows people to compose documents and control their computers with their voice. Learn about the basic types.
How Fast Food Works
science.howstuffworks.com/innovation/edible-innovations/fast-food.htm
Unless you're in a particularly remote area, you can't go far in most developed countries without finding a fast-food restaurant. Learn how fast-food restaurants came to be and why they're so popular.
Bipolar Disorder Overview
health.howstuffworks.com/mental-health/mental-disorders/bipolar-disorder.htm
Bipolar disorder, also called manic-depressive disorder, affects millions of Americans. Learn about mania, mood swings and how bipolar is treated.