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Perennial Flowers Image Gallery
home.howstuffworks.com/perennial-flower-pictures.htm
These perennial flower pictures will dazzle you with knowledge and bright imagery. Sit back, smell the roses, and check out these perennial flower pictures.
How can an octopus make itself look like another animal?
animals.howstuffworks.com/marine-life/octopus-camouflage.htm
Octopus camouflage is essential to survival in the depths of the ocean. Learn how octopus camouflage wards against predators like sharks and rays.
Why does nail polish turn your nails yellow?
health.howstuffworks.com/skin-care/nail-care/health/nails-turn-yellow.htm
Why does nail polish turn your nails yellow? Find out how nail polish works and why it turns your nails yellow at HowStuffWorks.
How Roofing Materials Work
home.howstuffworks.com/home-improvement/construction/materials/roofing-materials.htm
Roofing materials are quite varied. Learn more about how roofing materials work at HowStuffWorks.
Why do cougars scream?
animals.howstuffworks.com/mammals/cougar-scream.htm
Cougars scream during mating season to attract the opposite sex. Learn how cougars scream and why humans don't hear these cougar screams too often.
Why are sloths so slow?
animals.howstuffworks.com/mammals/sloths-slow.htm
Sloths move slowly mostly because of their vegetarian diet. Learn why sloths move slowly and how their anatomy supports such lethargy.
Can you live safely among wolves?
animals.howstuffworks.com/mammals/living-with-wolves.htm
Humans living with wolves can stay safe by respecting wolf territory. Learn how some experts are living with wolves to study and save these animals.
How can adding iron to the oceans slow global warming?
science.howstuffworks.com/environmental/green-science/iron-sulfate-slow-global-warming.htm
Scientists propose adding iron to the oceans to cut carbon dioxide levels and, in turn, decrease temperatures. See if adding iron to the oceans works.
Low-sodium Diets
health.howstuffworks.com/wellness/preventive-care/low-sodium-diet.htm
Low-sodium diets seeks to reduce the level of sodium that the body intakes through food. Learn more about how low-sodium diets work in this article.
What's a prehistoric toolkit and how could it rewrite human history?
science.howstuffworks.com/life/evolution/prehistoric-toolkit.htm
A prehistoric toolkit is a set of tools that early humans utilized. Learn about a prehistoric toolkit in this article from HowStuffWorks.