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How One Key Protein May Help Tendons Enhance Athletic Performance
health.howstuffworks.com/human-body/systems/musculoskeletal/tendons-athletic-performance-news.htm
The presence of the protein Piezo1 plays a key role in how tendons heal - and a genetic mutation in that protein may enhance athletic performance.
How many calories does running burn?
Scientists once assumed that running and walking used the same amount of energy -- that is, they burned the same number of calories. However, a group of Syracuse University researchers found that running actually burns more calories than walking. What factor had scientists overlooked in the past?
Did women volunteers serve in World War II?
money.howstuffworks.com/economics/volunteer/information/women-volunteers-world-war-ii.htm
What did women volunteers do in World War II? Read about the role and impact of women volunteers in World War II in this article from HowStuffWorks.
8 'Secrets' You Didn't Know About the Secret Service
people.howstuffworks.com/secrets-about-secret-service.htm
When you think of the Secret Service, you probably think of the people in black guarding the president of the United States. But that's just a small part of the job. What else does this agency do?
Death by Invention: 5 Inventors who Died by Their Own Work
Some inventors have died from their own work. So, is it fate or irony that led these five inventors to die by the hands of their own work?
Only 20% of Adults Can Pass This 8th-Grade Math Test. Can You?
play.howstuffworks.com/quiz/only-20-adults-can-pass-this-8thgrade-math-test-can-you-learn
Calling all adults! It's probably been decades since you sat behind the desk in your 8th-grade math class, but we're willing to bet that some of that material is still in your brain! Do you remember slope intercept form? Does the name Pythagoras ring a bell? If it does, you're in the right place! Only 20% of adults can pass this 8th grade math test! Can you? Let's find out!
How Blood Works
health.howstuffworks.com/human-body/systems/circulatory/blood.htm
Blood is the most commonly tested part of the body, and it is truly the river of life. Learn about red and white blood cells, lymphocytes, blood tests, blood types and blood donation.
5 Dazzling Facts About the Rockefeller Center Christmas Tree
The Rockefeller Center Christmas tree in New York City may be an iconic symbol of the holidays, but how well do you know this tree-dition?
Top 5 Ancient Incan Inventions
science.howstuffworks.com/innovation/inventions/5-ancient-incan-inventions.htm
The Incan empire had a highly developed organizational system and a near limitless workforce that helped create a culture of wonders. So what are some of their inventions that we know about today?
How Solar Sails Work
science.howstuffworks.com/solar-sail.htm
What is a solar sail? How can you use sunlight to move a spacecraft in outer space? In this article, HowStuffWorks will show you how solar sail technology works, take an in-depth look at the Cosmos-1 mission and find out what solar-sails mean for future space travel.