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How Many Muscles Does It Take to Smile?
science.howstuffworks.com/life/inside-the-mind/emotions/muscles-smile.htm
The authors of chain emails often tell you to smile more, with the added claim that it takes more muscles to frown. Ever questioned this piece of wisdom? We have an answer for you.
Paul Berg
science.howstuffworks.com/dictionary/famous-scientists/biologists/paul-berg-info.htm
Berg, Paul (1926-), an American biochemist and molecular biologist, has been at the forefront of genetic engineering, both as an inventor of a pioneering procedure and as an advocate concerned about the risks of genetic research.
What is relativity?
science.howstuffworks.com/science-vs-myth/everyday-myths/what-is-relativity.htm
Relativity is the famous theory that was created by Albert Einstein. Learn about relativity in this article from HowStuffWorks.
What's in an Army first aid kit?
health.howstuffworks.com/medicine/army-medicine/army-first-aid-kit.htm
What's in an Army first aid kit? Visit Discovery Fit & Health to learn what's in an Army first aid kit.
The Profound Symbolism and Diverse Meanings Behind Arrow Tattoos
people.howstuffworks.com/culture-traditions/body-art/arrow-tattoo-meaning.htm
The arrow tattoo represents strength, focus, direction, and protection. Discover its cultural, spiritual, and personal symbolism in tattoo art.
The Conch Is an Endangered Sea Snail That Needs Your Help
animals.howstuffworks.com/endangered-species/conch.htm
Before collecting that conch shell, learn how over-harvesting for meat and souvenirs has endangered conch populations and what you can do to help their survival.
How the Grim Reaper Works
science.howstuffworks.com/science-vs-myth/strange-creatures/grim-reaper.htm
The Grim Reaper is the black-cloaked, scythe-wielding personification of death. Learn why the Grim Reaper is so grim and why he's a guy.
10 Tips for Retirement Savings
money.howstuffworks.com/personal-finance/retirement-planning/10-tips-for-retirement-savings.htm
Having enough retirement savings can help you live comfortably in your golden years. See 10 tips for retirement savings to get started.
Easy Outdoor Science Activities For Kids
lifestyle.howstuffworks.com/crafts/science-projects/easy-outdoor-science-activities-for-kids.htm
Easy outdoor science activities for kids are simple projects that introduce scientific ideas. Explore with easy outdoor science activities for kids.
10 U.S. States With the Lowest Cost of Living
money.howstuffworks.com/personal-finance/for-new-adults/5-us-states-with-lowest-cost-of-living.htm
U.S. states with the lowest cost of living are attractive to many people. Visit HowStuffWorks to find the 10 U.S. states with the lowest cost of living.