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Hearing Aid Basics
health.howstuffworks.com/medicine/modern-technology/hearing-aid.htm
Hearing aids are small electronic devices that amplify sound and help restore sound to the hearing impaired. Find out how hearing aids work.
Democracy vs. Republic: What's the Difference?
people.howstuffworks.com/democracy-vs-republic.htm
Is the U.S. a democracy or a republic? Or both? And what's the difference, anyway?
5 Ways that Businesses Measure Cash Flow
money.howstuffworks.com/5-ways-businesses-measure-cash-flow.htm
Businesses measure cash flow in several ways. Learn about 5 ways that businesses measure cash flow.
Everyone's on the Hunt for the Element Lithium
science.howstuffworks.com/environmental/earth/geology/lithium.htm
The element lithium is one of just three created during the Big Bang and has been used for mental health care for decades. But now it's in higher demand than ever before.
Party Trick Breakdown: Why Do Balloons Stick to Hair?
science.howstuffworks.com/why-do-balloons-stick-to-hair.htm
Scientists have figured out why some objects stick more to each other. And it's a very cool trick.
What happens to coins people throw into fountains to wish?
people.howstuffworks.com/coins-in-fountains.htm
You've probably tossed dozens of coins into various fountains over the years. Find out what happens to all that money.
How OLEDs Work
electronics.howstuffworks.com/oled.htm
OLEDs are a type of light emitting diode that is made of thin films of organic molecules. Learn about OLEDs and how OLEDs will be used in televisions.
How Laser Weapons Work
science.howstuffworks.com/laser-weapon.htm
Laser weapons have been depicted in science fiction for years, but they do exist in real life. Learn more about laser weapons.
Germs May Help Shape Our Personalities
science.howstuffworks.com/life/cellular-microscopic/germs-may-help-shape-our-personalities.htm
It's all connected! Recent rodent research suggests that immune responses and social behavior may be more intertwined than we realized.
Angel Number 505: The Significance of Life-Altering Decisions
science.howstuffworks.com/science-vs-myth/extrasensory-perceptions/505-angel-number.htm
606 signifies the importance of maintaining harmony and balance in all aspects of life.