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How Trains Work

science.howstuffworks.com/transport/engines-equipment/train.htm

We humans are mobile. Long before flight, FusionMan or even your average automobile arrived on the scene, trains were transporting us all over civilization. How did we get from horse-drawn carts to high-speed trains?

The Tree Quiz

play.howstuffworks.com/quiz/the-tree-quiz

Trees aren't just for climbing. We can learn a lot from these ancient, silent friends. What do you know about trees? After taking this quiz, you will find out. Let's begin, shall we?

How the North American Eagle Works

auto.howstuffworks.com/north-american-eagle.htm

Team North American Eagle is on course to win the land speed record. Learn who team North American Eagle are and how they could win the race.

96% of People Can't Figure Out if These Vehicles Are Ford, Dodge, or Chevy. Can You?

play.howstuffworks.com/quiz/96-people-cant-figure-out-these-vehicles-are-ford-dodge-chevy-can-you-learn

Throughout the 20th century and to present the three big American car manufacturers have been competing for consumer pride. While some vehicles were truly unique, others were eerily similar. Can you figure out if these vehicles are Ford, Chevy or Dodge?

How Addiction Works: Exploring Substance Use Disorders

science.howstuffworks.com/life/inside-the-mind/human-brain/addiction.htm

Addiction to substances, such as drugs and alcohol, have ruined the lives of people all over the world. Read about current views and ideas on addiction.

How Animal Migration Works

animals.howstuffworks.com/animal-facts/animal-migration.htm

Animal migration is crucial to the survival of that particular species of animal. Learn about animal migration and why animal migration is important.

10 Aviation Innovations We'd Be Stuck on the Ground Without

science.howstuffworks.com/transport/flight/modern/10-aviation-innovations.htm

In the world of flight, it's a fine line between flying high and falling fast. Can you name 10 of the innovations that keep planes and their passengers airborne?

How Paramedics Work

health.howstuffworks.com/medicine/paramedics.htm

Paramedics are trained in prehospital care and are often involved in emergency situations. Learn more about how paramedics save lives every day.

How Satellites Work

science.howstuffworks.com/satellite.htm

Thousands of satellites fly overhead every day, helping us with things like weather forecasts, scientific research, communications, TV broadcasts (and maybe some surreptitious spying). How much do you know about these eyes in the sky?

10 Active Senior Hobbies

health.howstuffworks.com/wellness/aging/senior-health-lifestyle/10-active-senior-hobbies.htm

Active senior hobbies can help maintain fitness and health. See this list of 10 active senior hobbies to get inspired.

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