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Why can colloidal silver turn your skin blue?
health.howstuffworks.com/skin-care/problems/medical/colloidal-silver-blue-skin.htm
Does colloidal silver cause blue skin? Learn about the condition called argyria and if colloidal silver creates blue skin.
Plastic Numbers: Breaking Down Recycling Codes
science.howstuffworks.com/environmental/green-tech/sustainable/question217.htm
There are seven different numbers you might see on a plastic container. And each number has its own meaning.
What causes rigor mortis?
health.howstuffworks.com/diseases-conditions/death-dying/rigor-mortis-cause.htm
The causes of rigor mortis stem from the way muscles move. Learn about the causes of rigor mortis and see how chemistry affects postmortem stiffness.
How do dogs perceive time?
animals.howstuffworks.com/pets/dogs-perceive-time.htm
It seems like dogs perceive time given that dogs always know when it's time to get fed. Learn more about dogs' perception of time.
Can online scheduling services save time and money?
money.howstuffworks.com/online-scheduling-service.htm
Online scheduling services allow users to make appointments with businesses. Learn more about online scheduling services at HowStuffWorks.
How Kaleidoscopes Work
science.howstuffworks.com/kaleidoscope.htm
Kaleidoscopes have been fascinating people since the early 19th century. Whether you think of kaleidoscopes as toys or as works of art, no matter how often you look inside, you'll never see the same thing twice.
How do washing machines get clothes clean?
home.howstuffworks.com/how-do-washing-machines-get-clothes-clean.htm
How do washing machines get clothes clean? Find out how washing machines get clothes clean at TLC Home.
Does violence in movies and video games desensitize us to the real thing?
electronics.howstuffworks.com/violence-desensitize.htm
Does violence in movies and video games desensitize us to the real thing? Learn how violence in movies and video games can desensitize us.
Why are we violent?
science.howstuffworks.com/life/why-are-we-violent.htm
Why are we violent? Is it something we learn, or are people violent at birth? Find out why we are violent at Discovery Health.
Hermit Crabs: Tiny Crustaceans Living in Nature's Mobile Homes
animals.howstuffworks.com/pets/otherpets/hermit-crabs.htm
Hermit crabs are easy to care for as pets if you provide them with all the essentials they need. And that includes shells for their growing bodies.