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Earth's Oldest Color Was Pink
science.howstuffworks.com/life/cellular-microscopic/earths-oldest-color-was-pink.htm
Scientists have found that ancient fossilized chlorophyll was dark red and purple in its concentrated form, which means that when diluted by water or soil, it would have lent a pink cast to earth and sea.
How DNA Profiling Works
science.howstuffworks.com/dna-profiling.htm
How DNA profiling works involves creating a DNA profile. Learn how DNA profiling works and how a DNA profile works.
Acetyl-L Carnitine Overview
health.howstuffworks.com/wellness/natural-medicine/alternative/acetyl-l-carnitine.htm
Acetyl-l-carnitine can be used to treat many ailments and illnesses. Learn all about acetyl-l-carnitine and other alternative medicines at HowStuffWorks.
9 Extinct Exotic Sea Creatures
animals.howstuffworks.com/extinct-animals/9-extinct-exotic-sea-creatures.htm
A stunning array of strange and ferocious aquatic beasts patrolled Earth's waters long before they became the stuff of legends and "Jurassic Park" movies. One could eat a great white shark in one gulp.
Why is there air in my brake lines?
auto.howstuffworks.com/auto-parts/brakes/brake-problems/air-in-brake-line.htm
A mechanic said there was air in my brake lines. Is this possible? Why is there air in my brake lines?
Everything You Ever Wanted to Know About Sugar Cookies
recipes.howstuffworks.com/sugar-cookies.htm
We've rounded up everything you ever wanted to know about sugar cookies. Learn all about sugar cookies in this article on HowStuffWorks.
How Singing Fish Work
entertainment.howstuffworks.com/singing-fish.htm
Singing fish are silly, but there is an amazing amount of technology inside them -- they are really simple robots! Find out how singing fish work.
5 Dating Tips for Shy Guys
health.howstuffworks.com/relationships/tips/5-dating-tips-for-shy-guys.htm
Looking for dating tips for shy guys? Visit HowStuffWorks to find 5 dating tips for shy guys.
Too Cool to Brush? What to Do When Your Teen Doesn't Care About Oral Care
lifestyle.howstuffworks.com/family/parenting/tweens-teens/teen-doesnt-care-about-oral-care.htm
What should you do when your teens are too cool to brush? Learn what to do when your teen doesn't care about oral care at HowStuffWorks Family.
Home Remedies for Cats with Fleas
animals.howstuffworks.com/pets/home-remedies-for-cats-with-fleas.htm
A cat with fleas will not just have to cope with incessant scratching -- fleas can also transmit tapeworms. Learn some home remedies for cats with fleas.