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Your search for "often" returned 13,047 results
How Often Are Septic Tanks Emptied, and Where Do the Contents Go?
home.howstuffworks.com/home-improvement/plumbing/septic-tank-cleaning.htm
A septic tank requires a good cleaning to flush out sludge and scum, which don't drain like effluent. Learn how a septic tank cleaning works.
How Often to Change Your Furnace Filter
home.howstuffworks.com/home-improvement/heating-and-cooling/air-filters-clean.htm
If my home's air filters are clean when I change them, are they really working? Find out the answer to this and learn more about air filters.
How Often Should You Replace Your Hairbrush?
health.howstuffworks.com/skin-care/hair-care/styling-products/replace-hairbrush.htm
When was the last time you cleaned your hairbrush? Or bought a new one? Maybe it's time.
Bison Embrace Democracy, Often Following Female Leaders
animals.howstuffworks.com/mammals/bison-herds-decide-democratically.htm
European bison make decisions by popular vote, a new study finds. Learn more in this HowStuffWorksNow article.
Do the Planets Ever Actually Align?
science.howstuffworks.com/planetary-alignment.htm
If you imagine the eight major planets in a single line stretching out from the sun, this alignment occurs roughly every 13.4 trillion years. And our solar system is 4.5 billion years old.
Why Jim Thorpe Is Often Considered the Greatest Athlete of All Time
history.howstuffworks.com/historical-figures/jim-thorpe.htm
Jim Thorpe overcame almost insurmountable obstacles, from a rough childhood to racial discrimination, to become one of the world's greatest athletes of all time.
Does where you live determine how often you call in sick?
money.howstuffworks.com/call-in-sick.htm
Calling in sick is something some are more loath to do than others. Does geographic location affect who's calling in sick and who's toughing it out?
How Often Does Halloween Candy Tampering Really Happen?
recipes.howstuffworks.com/menus/candy-tampering.htm
The stories of evil strangers tainting Halloween candy and apples with poison, glass and razor blades have prevailed for decades. Are they true?
How to Clean a Couch (and How Often)
A clean couch makes your entire living space feel fresher, but upholstered furniture can trap dirt, dust and even pet hair over time. Whether you have a fabric sofa or leather couch, the right cleaning method can make all the difference.
What is Gelatin?
recipes.howstuffworks.com/food-facts/what-is-gelatin.htm
Gelatin is an translucent and often unflavored element often used in cooking. Learn what gelatin is in this article.