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12 Sports and Recreational Activities and the Calories They Burn
Some activities burn more calories than others. Read our list to learn which sports and activities burn the most calories.
What if I wanted to build a Great Pyramid today?
science.howstuffworks.com/engineering/structural/build-pyramid-today.htm
To build a Great Pyramid today you would run into cost and labor issues that didn't exist in ancient Egypt. Learn about building a pyramid today.
How Traveling Sprinklers Work
home.howstuffworks.com/traveling-sprinkler.htm
Oscillating sprinklers are great for watering a square area. But what if your lawn has curves? Traveling sprinklers spray the water exactly where you want it. Find out how they travel around your yard so you don't have to.
How MOAB Works
science.howstuffworks.com/moab.htm
When the U.S. Air Force tested the MOAB last year, it tested one of the largest conventional bombs ever built. MOAB stands for Massive Ordnance Air Burst, and it's not for the faint-hearted. Find out how it fits into the U.S. arsenal.
How Solar Yard Lights Work
home.howstuffworks.com/solar-light.htm
Solar yard lights generate and store their own power in the day and release it at night. Learn how solar yard lights can illuminate your yard without wiring.
How Coca-Cola Works
money.howstuffworks.com/coca-cola.htm
Coca-Cola is one of the world's most-recognized brands. Learn about the history and development of Coca-Cola and the impact Coke has on pop culture.
720p vs. 1080p: What You Need to Know About HD Resolutions
electronics.howstuffworks.com/difference-between-780p-and-1080p-hdtv.htm
Have you ever noticed video quality to be a little fuzzy, gone into settings and wondered if 720p vs. 1080p makes that much of a difference? Let us explain.
7 Countries Home to the World's Healthiest People
7 Countries Home to the World's Healthiest People will show you some of the healthiest countries. Read Countries Home to the World's Healthiest People.
The Ultimate Hiking Quiz
play.howstuffworks.com/quiz/hiking-quiz
It's well known that walking is a great form of exercise, but the same route can become more than a little boring, not to mention pounding a tread mill for 30 minutes a day. Rather than a boring walk, why not take a refreshing hike? The crisp, clean air and beautiful vistas make hiking a lot more than just a walk. Take our quiz to learn more about hiking and its health benefits.
Teens and Substance Abuse
health.howstuffworks.com/pregnancy-and-parenting/teenage-health/teens-and-substance-abuse.htm
Teens and substance abuse is good information to know for their overall health. Learn more about teens and substance abuse from Discovery Health.