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How Does a Seismograph Work?
science.howstuffworks.com/environmental/earth/geophysics/question142.htm
A seismograph can accurately measure the movement of the Earth during a quake. How does a seismograph work, though, and what is the Richter scale that is associated with earthquakes? Learn the answers to these questions in this article.
What Is a Light-year?
science.howstuffworks.com/dictionary/astronomy-terms/question94.htm
A light-year is a way of measuring distance, which doesn't make much sense because "light-year" contains the word "year," which is normally a unit of time. So, how does a light-year measure distance?
Big Money, Big Money: Flashing Lights, Music Can Turn Rats Into Problem Gamblers
entertainment.howstuffworks.com/flashing-lights-music-can-turn-rats-problem-gamblers.htm
A study showed flashing lights and loud music made rats take more gambling risks. HowStuffWorks Now investigates why.
Why are companies allowing people to choose between traditional and Roth 401(k)s?
You've heard of the Roth IRA, but what about the Roth 401(k)? Many employers are offering them. Learn the difference at HowStuffWorks.
How does the body absorb vitamins?
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/body-absorb-vitamins.htm
Do you know how the body absorbs vitamins from food, capsules and tablets? See how the body absorbs vitamins at HowStuffWorks.
Do You Know if This Word Is a Noun, Verb, Adverb or Adjective?
play.howstuffworks.com/quiz/do-you-know-this-word-is-a-noun-verb-adverb-adjective
Nouns, verbs, adverbs and adjectives are four of the parts of speech we need to know to put together an intelligent sentence. Can you identify each of these?
Grammar Rules on When to Use a Semicolon
people.howstuffworks.com/when-to-use-semicolon.htm
Knowing when to use a semicolon is a matter of remembering that a semicolon is a cross between a pause and a period.
5 Things You Didn't Know About the Autumnal Equinox
The autumnal equinox is the day Earth is perfectly angled to the sun, so the day and night are of equal length. Well, almost.
How Web Advertising Works
computer.howstuffworks.com/web-advertising.htm
Most of us encounter Internet-based ads on a daily basis, and some of us have the misfortune of being utterly bombarded. Does anyone actually click on those things? Find out all about the world of Web advertising.
How a Block and Tackle Works
science.howstuffworks.com/transport/engines-equipment/pulley.htm
A fascinating article that describes how a block and tackle (as well as levers and gears) works!