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The Mars Quiz
play.howstuffworks.com/quiz/the-mars-quiz
Mars: There's been a lot of misinformation and myth-making about our nearest neighbor in the Solar System. Can you sort out the truth from the sci-fi? Try it now with our quiz!
How to Sell Electricity Back to the Grid
science.howstuffworks.com/environmental/energy/sell-electricity-back-grid.htm
Did you know that the sun shines more energy onto the Earth's surface than all of its inhabitants use in an entire year? Learn how to sell electricity back to the grid.
Did Nostradamus make any predictions about 2012?
science.howstuffworks.com/nature/natural-disasters/nostradamus-2012-predictions.htm
Every time disaster strikes, one man's name arises alongside the obsessive news coverage: Nostradamus. According to some folks, the famed French seer has predicted many of the planet's gloomy twists and turns. What did he have to say about 2012?
Will orbital chaos cause Earth, Venus and Mars to collide?
science.howstuffworks.com/earth-venus-mars-collide.htm
Will orbital chaos collide Earth, Venus and Mars? Read about the possibility of Earth, Venus and Mars colliding if their orbits go awry.
How Self-healing Spacecraft Will Work
science.howstuffworks.com/self-healing-spacecraft.htm
Scientists are now developing a new type of composite material that will allow spacecraft to repair themselves. Learn more about this amazing future technology.
How Dangerous Is Wildfire Smoke? A Toxicologist Is Raising Red Flags
science.howstuffworks.com/nature/natural-disasters/wildfire-smoke-news.htm
The effects of wildfire smoke are different than those of other types of air pollution. But just how harmful to humans is it?
Aldebaran: The Brightest Star in the Constellation Taurus
science.howstuffworks.com/aldebaran.htm
Aldebaran is not just the brightest star in the constellation Taurus, it's also the 14th brightest star in the sky.
What is the oldest fossil ever found?
science.howstuffworks.com/environmental/earth/geology/oldest-fossil-ever-found.htm
The oldest fossil ever found could date back to 3 billion years ago. Learn about the oldest fossil ever found in this article.
Interstellar Asteroid 'Oumuamua Has Loads More to Tell Us
science.howstuffworks.com/interstellar-asteroid-oumuamua-has-loads-more-to-tell-us.htm
Astronomers have determined that 'Oumuamua was probably kicked out of its own star system by an overbearing gas giant. Learn more at HowStuffWorks.
How Do We Find Things in the Blackness of Space?
science.howstuffworks.com/how-do-we-find-things-blackness-space.htm
How are the exact positions of objects in space tracked? HowStuffWorks checks out the science of mapping in space.