Search Results | pennsylvania
Your search for "pennsylvania" returned 694 results
10 Innovations in Water Purification
science.howstuffworks.com/environmental/green-tech/sustainable/10-innovations-water-purification.htm
As far back as 1500 B.C.E., people were trying to purify water to make it drinkable. And we're still at it. Today inventors use tools as simple as clay and as sophisticated as carbon nanotubes to bring clean water to the world.
10 Press Exposés That Made a Difference
people.howstuffworks.com/10-press-exposes-that-made-difference.htm
Journalists have brought to national attention lots of issues that would otherwise remain hidden. Learn about some of them at HowStuffWorks.
How E-mail Marketing Works
money.howstuffworks.com/email-marketing.htm
E-mail marketing is just a way to advertise that doesn't waste trees. Learn the basics of e-mail marketing, including what you can and can't do and why.
What Was America's First Terrorist Threat?
history.howstuffworks.com/history-vs-myth/first-terrorist-threat.htm
Terrorism on the Barbary Coast began in the 15th century and plagued the young American nation. Learn how the U.S. fought off terrorism from the Barbary States.
18 Home Remedies for Bad Breath
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-bad-breath.htm
There are many home remedies for bad breath using objects you probably already have in your home. Learn about home remedies for bad breath.
6 Home Remedies for TMJ
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-tmj.htm
Our home remedies for TMJ seek to alleviate a misalignment of the temporomandibular joint.
10 Home Remedies for Shingles
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-shingles.htm
Read our home remedies for shingles, the reappearance of the chicken pox virus in the body.
10 Home Remedies for Dry Hair
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-dry-hair.htm
Learn several effective home remedies for dry hair, everything from ways to wash and dry to spa treatments using items from your refrigerator.
8 Home Remedies for Whiter Teeth
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-whiter-teeth.htm
Our home remedies for whiter teeth warn you how to avoid stained teeth, and also discuss tooth whitening methods.
8 Home Remedies for Dry Skin
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-dry-skin.htm
Dry, itchy skin is a common winter problem. Find out what causes it and how home remedies can treat this itchy annoyance.