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What Is Citric Acid, and Is It Safe?
recipes.howstuffworks.com/food-science/citric-acid.htm
HowStuffWorks finds out what citric acid is, how it is made and whether or not it is safe.
How to Make Homemade Baby Food
recipes.howstuffworks.com/make-homemade-baby-food.htm
For you to make homemade baby food isn't as hard as you would think. If you just follow some simple rules, you too can make homemade baby food.
Can olive pits be used as a fuel source?
auto.howstuffworks.com/fuel-efficiency/biofuels/olive-pits-fuel-source.htm
Can olive pits be used as a fuel source? Keep reading to learn about biofuel and if olive pits can be used a fuel source.
How can I cleanse my skin without drying it out?
health.howstuffworks.com/skin-care/men/cleansing-tips/cleansing-skin-without-drying.htm
How can I cleanse my skin without drying it out? Visit Discovery Health to find out how you can cleanse your skin without drying it out.
How Tempeh Works
recipes.howstuffworks.com/tempeh.htm
Tempeh just might the new tofu. Find out how to purchase, cook and store tempeh.
Wasted Bread Is Being Brewed Into Craft Beer
recipes.howstuffworks.com/wasted-bread-is-being-brewed-into-craft-beer.htm
Toast Ale is on a quest to reduce food waste and make craft beer while they're at it. Learn about how wasted bread is being turned into craft beer.
How Unimogs Work
auto.howstuffworks.com/unimog.htm
The first Unimog prototypes were created in 1947. Read about the history and development of the Unimog truck.
How Human Migration Works
science.howstuffworks.com/life/evolution/human-migration.htm
Human migration is the idea that humans developed in Africa and then spread to Europe and Asia. Learn about human migration and how human migration works.
10 Tips for Eco-friendly Cooking
science.howstuffworks.com/innovation/edible-innovations/10-tips-eco-friendly-cooking.htm
Going green isn't just a fad anymore; it's now a way of life for millions. Want to get started? Look no further than your kitchen. In fact, a simple water filter is all you need to start eco-friendly cooking.
How Sustainable Forestry Works
science.howstuffworks.com/environmental/green-science/sustainable-forestry.htm
How does sustainable forestry work? Learn about green technologies and innovations in the field of sustainable forestry.