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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.
Is It Harmful to Breathe 100 Percent Oxygen?
science.howstuffworks.com/question493.htm
We have to breathe oxygen to live, so are we better off breathing pure oxygen?
Hyperhidrosis Overview
health.howstuffworks.com/skin-care/problems/medical/hyperhidrosis.htm
Hyperhidrosis is the clinical term for excessive sweating. Learn about hyperhidrosis causes and treatments, and how people live with hyperhidrosis.
How NORAD Works
science.howstuffworks.com/norad.htm
NORAD is a military operation that is jointly run by the United States and Canada. Learn about NORAD and the unique location for the NORAD headquarters.
How Fleas Work
animals.howstuffworks.com/insects/flea.htm
Fleas are common parasites that feed on the blood of a host, usually your pet. Learn about fleas and find out how to get rid of a flea infestation.
How do walruses sleep in the water without drowning?
animals.howstuffworks.com/mammals/walrus-sleep-without-drowing.htm
Walruses sleep in the water without drowning with a clever anatomical adaptation. Learn how walruses sleep, mate, nurse and just relax in the water.
Muroc Roadsters: Profile of a Hot Rod
auto.howstuffworks.com/muroc-roadsters-hot-rod.htm
In 2001, Jerry Kugel introduced his line of full-fendered and fenderless Muroc roadsters. Learn more about Muroc roadsters and other hot rods.
How Childbirth Works
health.howstuffworks.com/pregnancy-and-parenting/pregnancy/labor-delivery/childbirth.htm
Childbirth is a miracle, but a messy one. Giving birth to a baby takes blood, sweat and tears. Learn about the process of childbirth from start to finish.
How do sharks see, smell and hear?
animals.howstuffworks.com/fish/sharks/shark-senses.htm
A shark sense isn't so different from any of our senses, a shark sense is just sharper underwater. See more about shark sense and how each works.
Surprise, Your Pinky Toe Does Serve a Purpose
health.howstuffworks.com/human-body/parts/surprise-pinky-toe-does-serve-purpose.htm
No. 5 may seem like it's just hanging out there but it's not. HowStuffWorks looks into the value of the pinky toe.