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How to Disinfect a Toothbrush
health.howstuffworks.com/wellness/oral-care/products/how-to-disinfect-toothbrush.htm
There are several ways to disinfect a toothbrush. See how to disinfect a toothbrush and find out if it is worth the effort.
Loud Films and Concerts Don't Have to Permanently Hurt Your Ears
health.howstuffworks.com/wellness/preventive-care/loud-sounds-concerts-movies.htm
Ever go to the movies or a rock concert and been blasted by the sound? Ongoing exposure to loud sounds at these venues can damage your hearing.
What Is a White Hole? Does the Cosmic Phenomenon Exist?
science.howstuffworks.com/white-hole.htm
Black holes have long held the spotlight as celestial objects from which nothing, not even light, can escape. However, theoretical physicists propose a less understood but equally fascinating counterpart: the white hole.
What Is the Deepest Lake in the U.S.?
science.howstuffworks.com/environmental/earth/deepest-lake-in-the-us.htm
The United States has some impressive lakes, including some of the biggest bodies of freshwater in the world. If you're looking at a map, however, you can't necessarily determine how deep any of these lakes are. So if it's depth you seek, read on to learn about the deepest lake in the U.S., as well as several of the runners-up.
What Is a Linear Pair of Angles in Geometry?
science.howstuffworks.com/math-concepts/linear-pair.htm
In the subjects of geometry and trigonometry, a linear pair of angles is any two adjacent angles formed together to add up to 180°, or Pi radians.
Understanding the Empirical Formula in Chemistry
science.howstuffworks.com/empirical-formula.htm
In chemistry, there are a variety of methods that scientists use to identify a chemical compound, including a molecular formula, molar mass and molecular diagram. The simplest formula of these is known as the empirical formula.
How to Link Facebook and Twitter
computer.howstuffworks.com/internet/tips/how-to-link-facebook-and-twitter.htm
You can link Facebook and Twitter accounts so you only have to make a status update in one place. Learn how to link Facebook and Twitter.
What will medicine consider unethical in 100 years?
health.howstuffworks.com/medicine/modern-treatments/unethical-medicine.htm
In 100 years, what will we consider to be unethical medicine? Will we think some of our current practices as unethical medicine in the future? Find out.
What would a moneyless world look like?
money.howstuffworks.com/moneyless-world.htm
A moneyless world is theoretically possible. What would it take to make a moneyless world feasible? Learn about a moneyless world.