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What Are the Nitrogen Cycle Steps?
science.howstuffworks.com/life/biology-fields/nitrogen-cycle.htm
The nitrogen cycle is the system by which nitrogen is converted into different chemical forms, some usable to humans and animals and some not, as it circulates among the atmosphere, the land and the oceans.
What Makes a Scent Soothing?
science.howstuffworks.com/what-makes-scent-soothing.htm
Why do most of us start relaxing as soon as we smell lavender or vanilla? Is it the memories they conjure up or is there a chemical reason?
Why do we vomit when we see something gross?
health.howstuffworks.com/human-body/systems/digestive/why-vomit-when-see-something-gross.htm
Have you ever had the urge to vomit when you've seen something gross? Find out why nasty things make our stomachs churn at HowStuffWorks.
Why do lullabies work?
health.howstuffworks.com/pregnancy-and-parenting/baby-health/infant-health/why-do-lullabies-work.htm
Research has proven lullabies can lower stress levels in babies. Learn why lullabies work at HowStuffWorks.
Modafinil: The Ultimate Wake-up Pill?
health.howstuffworks.com/mental-health/sleep/basics/modafinil-the-ultimate-wake-up-pill.htm
Learn about new drugs that can help fight fatigue. Will they really keep you alert and awake? Learn more sleep from Discovery Health.
How does the body absorb vitamins?
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/body-absorb-vitamins.htm
Do you know how the body absorbs vitamins from food, capsules and tablets? See how the body absorbs vitamins at HowStuffWorks.
Benefits of Theanine
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/theanine.htm
Theanine is found in green tea and has positive effects on anxiety. Learn about theanine, a supplement for soothing anxiety.
How Do Stars Form? A Stellar Journey from Dust to Dazzle
science.howstuffworks.com/how-are-stars-formed.htm
How are stars formed? In this article we'll explain stars and learn how stars are formed.
Does exercising affect varicose veins?
health.howstuffworks.com/skin-care/problems/beauty/exercising-affect-varicose-veins.htm
Does exercising affect varicose veins? Find out how exercising affects varicose veins and whether it's an effective treatment.
What % Shy Are You?
play.howstuffworks.com/quiz/what--shy-are-you
If you'd rather melt into the ground then talk to a stranger, we don't blame you. While no socializing is required on your part to take this personality quiz, we are curious about where you fall on our spectrum of shy to outgoing!