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24-hour pH, or Stomach Acid, Monitoring

health.howstuffworks.com/medicine/tests-treatment/24-hour-ph-or-stomach-acid-monitoring.htm

The 24-hour pH is a test that helps your doctor determine the factors related to your reflux. Learn more about 24-hour pH from Discovery Health.

How Asbestos Works

home.howstuffworks.com/home-improvement/household-safety/asbestos.htm

Asbestos has been around for 3,000 years, but it wasn't until the 1980s that we realized its dangers. Learn more about asbestos.

Epilepsy Overview

health.howstuffworks.com/mental-health/neurological-conditions/epilepsy.htm

Epilepsy operates like an electrical storm or traffic jam in the brain. Explore life with epilepsy and take a peek inside the world of the epileptic brain.

Does a hush really pass over a crowded room 20 minutes after the hour?

science.howstuffworks.com/science-vs-myth/everyday-myths/hush-crowded-room.htm

You're talking with a group of people when, with no apparent warning, everyone stops talking. Is it just an awkward silence or a pregnant pause? Or is this silence something more?

Wildfires Can Form Monstrous Pyrocumulonimbus Clouds

science.howstuffworks.com/nature/natural-disasters/wildfire-thunderclouds.htm

These massive clouds form when wildfires give off heat. HowStuffWorks looks at how climate change is making conditions favorable for more to form.

What Is Leap Year? And Why Was 1900 a Non-leap Year?

science.howstuffworks.com/science-vs-myth/everyday-myths/question50.htm

February is an unusual month, especially when it comes to leap years. In this article, you can read about why we use leap years and how the year 2000 was a leap year and 1900 was not.

The Maillard Reaction and the Science of Browning Foods

recipes.howstuffworks.com/food-science/maillard-reaction.htm

The Maillard reaction is the scientific process that makes your steak (and other foods) taste and smell delicious. So, how does that work? We'll explain.

How Tsunamis Work

science.howstuffworks.com/nature/natural-disasters/tsunami.htm

Tsunamis are water walls that travel faster than jets. See pictures, footage and diagrams of tsunamis, look at famous tsunamis and learn how tsunamis are born.

How Kleptomania Works

health.howstuffworks.com/mental-health/mental-disorders/kleptomania.htm

Kleptomania is an addiction to stealing items that is not related to personal use or a monetary gain. Learn about kleptomania and kleptomania defenses.

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