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How Scleral Tattoos Work
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What is a scleral tattoo? Learn more about scleral tattoos at HowStuffWorks.
Study Illuminates Genetic Origins of Skin Color Diversity
science.howstuffworks.com/life/genetic/genetic-origin-human-skin-color-pigmentation-study.htm
A groundbreaking study finds light skin pigmentation gene variations originating in Africa, eroding the notion of race as a biological characteristic, and shedding light on cancer and evolution, too.
Everyone's on the Hunt for the Element Lithium
science.howstuffworks.com/environmental/earth/geology/lithium.htm
The element lithium is one of just three created during the Big Bang and has been used for mental health care for decades. But now it's in higher demand than ever before.
How Caffeine Works
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Caffeine is one of the most commonly-used drugs -- 90% of Americans use it. Learn why caffeine is America's most popular drug and what it does to your body.
What does your scent say about you?
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Your unenhanced scent actually already says a lot about your emotional state and even your metabolism. Find out what your scent says about you.
How Self-publishing Works
money.howstuffworks.com/self-publishing.htm
Thanks to advances in home computers and the rise of Amazon.com, self-publishing is taking off in a big way. Check out our step by step guide to getting a book from rough idea to store shelves.
Brazilian Wandering Spider Hunts Instead of Waiting in a Web
animals.howstuffworks.com/arachnids/brazilian-wandering-spider.htm
If you're not a big fan of spiders, brace yourself, because the Brazilian wandering spider we're about to go into a lot of detail about one of the most dangerous spiders on the planet. With a venom that can cause intense pain and even some serious medical conditions, it's no wonder people give these critters a wide berth.
Top 5 Unsolved Brain Mysteries
science.howstuffworks.com/life/inside-the-mind/human-brain/5-brain-mysteries.htm
Take a look at 5 brain mysteries to find out about the workings of the organ in your noggin. These 5 brain mysteries will have you scratching your head.
How J.D. Power Ratings Work
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The JD Power ratings review and rate automobiles based on certain criteria. Learn all about the JD Power ratings at HowStuffWorks.
Does brownnosing really pay off?
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Does brownnosing really pay off? Learn about brownnosing and read how to navigate the lines of flattery with your boss.