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How Dyson Spheres Work

science.howstuffworks.com/environmental/energy/dyson-sphere.htm

Could the source of Earth's future energy come from an ambitious idea to encircle the sun with technology? Maybe, but it's a concept that's a long way from today's reality.

10 Weird Facts About the Circus

entertainment.howstuffworks.com/arts/circus-arts/10-weird-facts-about-circus.htm

The circus has many 'weird' acts, but there are some strange facts about it you may not know. Learn 10 weird facts about the circus at HowStuffWorks.

How Laser Communication Works

science.howstuffworks.com/laser-communication.htm

When speed is everything and light marks the universe's speed limit, lasers are bound to be the answer. At least, that's what NASA and a bunch of Wall Street types are betting on.

How Plasma Donation Works

health.howstuffworks.com/medicine/modern-technology/plasma-donation.htm

There are two types of plasma donations -- the plasma's the same, it's just the method of donation that differs. Find out how plasma donation works.

Can You Identify These Venomous Snakes?

play.howstuffworks.com/quiz/50-out-55-people-cant-identify-these-venomous-snakes-can-you

Knowing sequences of colors and patterns can help you tell the difference between dangerous and benign snakes. Your life may depend on it! Take this quiz to see if you can identify these venomous snakes from a single image.

Can You Guess Which of These Two American Cities Is Furthest North?

play.howstuffworks.com/quiz/can-you-guess-which-of-these-two-american-cities-is-furthest-north

From Florida to Maine or California to Alaska, the United States is a vast country with plenty of interesting cities to explore. But do you know which cities are located north or south of others? Take a trip through this quiz to find out!

Can You Identify These Military Weapons From WWII?

play.howstuffworks.com/quiz/can-you-identify-these-military-weapons-from-wwii

Get technical with the arms for this military quiz. We show you images of World War II weaponry that you get to ID. Celebrate your knowledge of lethal contraptions produced during the war that bested all other wars before it. Your Second World War ordnance knowledge is needed now!

How Oil Refining Works

science.howstuffworks.com/environmental/energy/oil-refining.htm

Despite the dangers, oil refineries are essential to society in its current form. Learn how crude oil is converted into everything from butane to gasoline.

How Time Works

science.howstuffworks.com/science-vs-myth/everyday-myths/time.htm

Ever wonder why we start our year on the first of January? Or why we have January and the other 11 months in the first place? Find out all about time.

How a Symbiotic Relationship Works

science.howstuffworks.com/life/evolution/symbiosis.htm

Symbiosis can be mutually beneficial, helping two creatures survive in a hostile environment. Learn about the different forms of symbiosis.

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