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Your search for "why" returned 10,393 results
Where does the color come from in purple cabbage?
science.howstuffworks.com/life/botany/question439.htm
Nature uses color in lots of different ways. Find out why some types of cabbage are purple and what this means.
Plasmapheresis Procedure
health.howstuffworks.com/medicine/modern-treatments/plasmapheresis.htm
During a plasmapheresis procedure, plasma, the fluid part of the blood, is removed from blood cells. See why plasamapheresis is used.
Avoid Topping Your Gas Off
auto.howstuffworks.com/fuel-efficiency/fuel-economy/avoid-topping-your-gas-off.htm
Avoid topping your gas off. Learn in this article why you should avoid topping your gas off.
What Makes One Pencil Superior to Another?
people.howstuffworks.com/what-makes-one-pencil-superior-to-another.htm
Not all pencils are created equal. There's a reason why teachers and school supply lists specify one pencil brand.
Is Pisces a Water Sign? What This Element Reveals About You
entertainment.howstuffworks.com/horoscopes-astrology/is-pisces-a-water-sign.htm
Discover why Pisces belongs to the water element, its emotional depth, intuitive nature, and how it influences personality and relationships.
Do I really need a permit for my remodel?
home.howstuffworks.com/home-improvement/construction/planning/need-permit-for-remodel.htm
Do I really need a permit for my remodel? Find out which building permits are required for a remodel -- and why.
Half the World Will Be Nearsighted by 2050
health.howstuffworks.com/human-body/systems/eye/half-the-world-will-be-nearsighted-2050.htm
It's estimated that a shocking 5 billion people will be nearsighted by 2050. HowStuffWorks Now examines the reasons why.
People Are Spending Two Months In Jail for a Reality Show
entertainment.howstuffworks.com/people-are-spending-two-months-jail-a-reality-show.htm
HowStuffWorks talks with a cast member of '60 Days In' to find out why he signed up.
Madagascar's Most Famous Species Is Near Extinction
animals.howstuffworks.com/mammals/madagascar-ring-tailed-lemur-extinction-trouble.htm
Why are lemurs on Madagascar at risk of extinction? Learn more about endangered lemurs in this HowStuffWorks Now article.
Letting Your Cat Work for Food Makes Her Happier, Healthier
animals.howstuffworks.com/pets/letting-your-cat-work-food-makes-her-happier-healthier.htm
Food puzzles have shown to make life better for indoor cats. HowStuffWorks Now explains why.