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How the Panama Canal Makes Water Flow Uphill
science.howstuffworks.com/engineering/structural/panama-canal.htm
The Panama Canal has been one of the world's biggest engineering feats since it was built nearly by hand in the 1900s.
Root Canal Procedure
health.howstuffworks.com/wellness/oral-care/procedures/root-canal-procedure.htm
Root canals are a dreaded dental procedure, but how many people really know what a root canal entails? Here, we break down the steps.
What are the consequences of delaying a root canal?
health.howstuffworks.com/wellness/oral-care/procedures/consequences-of-delaying-root-canal.htm
Delaying a root canal can lead to any number of bigger issues, including losing your tooth. Learn about the consequences of delaying a root canal.
Home Remedies for Hemorrhoids
health.howstuffworks.com/wellness/natural-medicine/home-remedies/home-remedies-for-hemorrhoids.htm
Learn about home remedies to help you avoid hemorrhoids, which are swollen and stretched-out veins that line the anal canal and lower rectum.
Shunning the Suez: Tankers Take the Long Route to Save Cash
history.howstuffworks.com/historical-events/shunning-the-suez-tankers-take-the-long-route-cash.htm
Some cargo ships sail around the coast of Africa to avoid paying the Suez Canal tariff. HowStuffWorks Now explains why it may make financial sense.
How Operation Plowshare Worked
history.howstuffworks.com/historical-events/operation-plowshare.htm
How to go from a Bible verse to carving canals with nukes in just a few easy steps — almost. Learn how operation plowshare worked at HowStuffWorks.
When It Comes to Q-Tips, We Do the One Thing We're Not Supposed to. Why?
health.howstuffworks.com/human-body/systems/ear/cotton-buds-in-ears-why.htm
We humans act in our own self-interest, but when it comes to cotton buds and ears we do exactly what science says not to. And yes, your doctor can tell.
What are some safe ways to remove earwax?
health.howstuffworks.com/human-body/systems/ear/safe-ways-to-remove-earwax.htm
There are safer ways to remove earwax than sticking a cotton swab in your ear. Learn about safe ways to remove earwax at HowStuffWorks.
Home Remedies for Cats With Ear Mites
animals.howstuffworks.com/pets/home-remedies-for-cats-with-ear-mites.htm
Cats are susceptible to all sorts of ailments and issues, including ear mites. What exactly are these microscopic ear invaders? And what can you do about them?
Where does earwax come from?
health.howstuffworks.com/human-body/systems/ear/where-does-earwax-come-from.htm
Earwax might seem like just another gross bodily substance, but it serves a very important function. Learn where earwax comes from at HowStuffWorks.