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How will landing on Mars work?

science.howstuffworks.com/landing-on-mars.htm

Landing on Mars will be one of the most dangerous and rewarding space missions. Learn how landing on Mars will further our understanding of space.

How Gear Ratios Work

science.howstuffworks.com/transport/engines-equipment/gear-ratio.htm

You see gears in just about anything that has spinning parts - car engines, transmissions, electric toothbrushes... Learn what these gears are doing and get to the bottom of the "gear ratio" concept!

Can You Pass This Basic Middle School Science Quiz?

play.howstuffworks.com/quiz/can-you-pass-this-basic-middle-school-science-quiz-snap

Middle school science is no joke; they start giving you the super-hard science then. Why not see how well you can do on a middle school science test? Grab your pencil and take the quiz!

The Ultimate "Invader Zim" Quiz

play.howstuffworks.com/quiz/the-ultimate-invader-zim-quiz

ICYMI, Netflix dropped a movie based on one of your all-time fave Nickelodeon shows: "Invader Zim." We've got all the early-2000s feels, so we made this quiz to test how much you remember about Zim, GIR and Dib!

How Sci-fi Doesn't Work

entertainment.howstuffworks.com/sci-fi.htm

Learn how sci-fi doesn't work in some popular movies and TV shows.

What if there were no gravity on Earth?

science.howstuffworks.com/environmental/earth/geophysics/what-if-zero-gravity.htm

Have you ever wondered what would happen if we were able to flip a switch and turn the Earth's gravity off for a day? The end result may surprise you.

Huntsman Spider: Harmless to Humans Despite 12-in. Leg Span

animals.howstuffworks.com/arachnids/huntsman-spider.htm

The huntsman spider is one of the fastest and most agile arachnids on the planet. The species is often confused with tarantulas because of the hairy bodies, but their distinguishing trait is their long, angular, crab-like legs that help them move forward and sideways quickly.

Mars Has an Actual Lake

science.howstuffworks.com/mars-has-lake.htm

Italian scientists have discovered a lake filled with liquid water under the ice cap at the south pole of Mars.

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