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What Is the Area Formula for a Rectangle, a Triangle and a Circle?
science.howstuffworks.com/math-concepts/area-formula.htm
Want to know the area of your pizza or the kitchen you're eating it in? Come on, and we'll show you how to figure it out with an area formula.
What Is the Mohorovicic Discontinuity and Can Humans Ever Reach It?
science.howstuffworks.com/environmental/earth/geophysics/mohorovicic-discontinuity.htm
This seismic boundary lies within Earth between the bottom of crust and the uppermost mantle. But nobody has ever dug down deep enough to confirm it exists. So does it?
What Is Whiskey Fungus and Is it Dangerous?
science.howstuffworks.com/life/biology-fields/whiskey-fungus.htm
Distilleries call this evaporative substance "angel's share" and promise that it's not dangerous, but nearby residents find it coating everything around them and aren't so sure.
What Was the First Photo Ever Taken?
science.howstuffworks.com/innovation/inventions/first-photo-ever-taken.htm
Joseph Nicéphore Niépce is responsible for the first photo ever taken. Almost lost to time, the image used a process called heliography.
14 Types of Ear Piercings and What They Look Like
lifestyle.howstuffworks.com/style/accessories/types-of-ear-piercings.htm
Whether you're thinking about getting your first stud or planning an elaborate constellation of hoops and rings, exploring the types of ear piercings can be a fun and expressive journey.
5 Ways to Open a Can Without a Can Opener
recipes.howstuffworks.com/tools-and-techniques/open-can-without-can-opener.htm
No can opener? No worries! We've got five ingenious ways to get that tin can open.
How Apache Helicopters Work
science.howstuffworks.com/apache-helicopter.htm
Apache helicopters are designed to survive heavy attack and inflict massive damage. Learn about the flight, weapons and armor systems of Apache helicopters.
10 Most Popular Hitch Accessories -- and Why?
The right hitch accessories such as safety chains can make or break your towing experience. Find out what the 10 most popular hitch accessories are.
Top 10 Items You Should Have in Your Medicine Chest
health.howstuffworks.com/medicine/first-aid/10-items-in-medicine-chest.htm
The items in a medicine chest disinfect, soothe and bandage wounds and injuries. Learn the 10 items you must have in your medicine chest.
How and why does the heart pump blood to itself?
health.howstuffworks.com/human-body/systems/circulatory/heart-pump-blood.htm
Have you ever stopped to wonder how does the heart pump blood to itself and the rest of your body? Learn the answer to how does the heart pump blood.